Emw Co., Ltd.

Republic of Korea

Back to Profile

1-100 of 128 for Emw Co., Ltd. Sort by
Query
Aggregations
Date
2022 5
2021 7
2020 4
Before 2020 112
IPC Class
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support 43
H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set 42
H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines 14
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles 12
H01Q 5/10 - Resonant antennas 11
See more
Found results for  patents
  1     2        Next Page

1.

ANTENNA MODULE AND WIRELESS COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2021019186
Publication Number 2022/131819
Status In Force
Filing Date 2021-12-16
Publication Date 2022-06-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Young Tae
  • Park, In Ho
  • Kim, Yu Jin

Abstract

The present invention relates to an antenna module and a wireless communication device comprising same and, more specifically, to an antenna module and a wireless communication device comprising same, which can improve radiation efficiency by optimizing, in a limited space, the width of a radiation pattern formed on one surface of an injection-molded product.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/02 - Arrangements for de-icingArrangements for drying-out

2.

ANTENNA MODULE AND WIRELESS COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2021019202
Publication Number 2022/131825
Status In Force
Filing Date 2021-12-16
Publication Date 2022-06-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Young Tae
  • Kim, Hee Su
  • Park, Woo Hyun

Abstract

The present invention relates to an antenna module and a wireless communication device comprising same and, more specifically, to: an antenna module which can improve radiation efficiency by optimizing the area of a radiation pattern, which is formed at one surface of an injection-molded product, in a limited space; and a wireless communication device comprising same.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

3.

ANTENNA MODULE USING CROSS SECTION PATTERN

      
Application Number KR2021016365
Publication Number 2022/108226
Status In Force
Filing Date 2021-11-10
Publication Date 2022-05-27
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Park, Woo Hyun
  • Kim, Nam Il
  • Kim, Young Tae
  • Kim, Yu Jin

Abstract

The present invention relates to an antenna module characterized by comprising: an antenna radiation pattern formed on one side of an injected article; and a heat-dissipation auxiliary pattern positioned on the same plane as the antenna radiation pattern. According to the antenna module according to the present invention, by realizing the radiation pattern on only one side of the injected article, the antenna manufacturing process can be simplified, and the manufacturing cost of the antenna may be reduced, and by adding the heat-dissipation auxiliary pattern and directly contacting a heat-dissipation sheet with the antenna radiation pattern and/or the heat-dissipation auxiliary pattern, heat-dissipation performance may be increased.

IPC Classes  ?

  • H01Q 1/02 - Arrangements for de-icingArrangements for drying-out
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

4.

ANTENNA MODULE AND WIRELESS COMMUNICATION TERMINAL COMPRISING SAME

      
Application Number KR2021016364
Publication Number 2022/103159
Status In Force
Filing Date 2021-11-10
Publication Date 2022-05-19
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Park, Sang Yong
  • Oh, Jung Han
  • Son, Gwan Woo
  • Kim, Yong Ho

Abstract

The present invention relates to an antenna module and a wireless communication terminal comprising same. More specifically, the present invention relates to an antenna module in which the time required to form the ground is reduced to improve production efficiency by forming an antenna radiator on one surface of a plastic dielectric injection molding constituting the antenna module and placing a metal ground on the other surface of the injection molding; and to a wireless communication terminal comprising same.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 5/25 - Ultra-wideband [UWB] systems, e.g. multiple resonance systemsPulse systems

5.

ANTENNA MODULE AND WIRELESS COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2021012294
Publication Number 2022/055277
Status In Force
Filing Date 2021-09-09
Publication Date 2022-03-17
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Park, Je Ok
  • Kim, Nam Il
  • Kim, Young Tae
  • Kim, Yong Ho

Abstract

The present invention relates to an antenna module and a wireless communication device comprising same, and more specifically, to an antenna module and a wireless communication device comprising same, wherein by realizing, on one side of an injection-molded article, a first radiation region and a second radiation region situated inside the first radiation region, a plurality of communication functions can be performed by a single antenna module.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 5/25 - Ultra-wideband [UWB] systems, e.g. multiple resonance systemsPulse systems
  • H01Q 7/08 - Ferrite rod or like elongated core

6.

ANTENNA MODULE

      
Application Number KR2021007162
Publication Number 2021/251729
Status In Force
Filing Date 2021-06-08
Publication Date 2021-12-16
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Park, In Ho
  • Kim, Yong Ho
  • Lee, Won Ro
  • Park, Je Ok

Abstract

The present invention relates to an antenna module and, more particularly, to an antenna module that can improve the directivity of radio signals of an antenna radiator to increase the radiation efficiency by spacing an antenna radiator constituting the antenna module and the ground from each other with an injection molded product interposed therebetween, and improve the design freedom of a wireless communication device by configuring a position of an electrical contact part for feeding power to the radiator without limitation.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

7.

ANTENNA MODULE AND WIRELESS COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2021004798
Publication Number 2021/221361
Status In Force
Filing Date 2021-04-16
Publication Date 2021-11-04
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Young Tae
  • Kim, Yu Jin
  • Kim, Nam Il
  • Park, Woo Hyun

Abstract

The present invention relates to an antenna module and a wireless communication device comprising same, and more specifically, to an antenna module and a wireless communication device comprising same, enabling the minimization of a magnetic effect from a metal structure (components such as PCB) which is present outside the antenna module, thereby enabling the minimization of radiation performance degradation of the antenna module caused by the metal structure.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

8.

ANTENNA AND WIRELESS COMMUNICATION TERMINAL COMPRISING SAME

      
Application Number KR2021003089
Publication Number 2021/187812
Status In Force
Filing Date 2021-03-12
Publication Date 2021-09-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Yu Jin
  • Kim, Young Tae
  • Kim, Nam Il

Abstract

The present invention relates to an antenna and a wireless communication terminal comprising same and, more particularly, to an antenna and a wireless communication terminal comprising same, wherein the wireless communication terminal can be miniaturized by controlling the current flow of an antenna pattern and using a single antenna to perform both a wireless power charging function and an NFC function.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

9.

ANTENNA MODULE AND WIRELESS COMMUNICATION TERMINAL DEVICE COMPRISING SAME

      
Application Number KR2021003101
Publication Number 2021/187816
Status In Force
Filing Date 2021-03-12
Publication Date 2021-09-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Jung, Jin Suk
  • Yang, Chul Yong
  • Park, Je Ok
  • Kim, Nam Il

Abstract

The present invention relates to an antenna module and a wireless communication terminal device comprising same and, more specifically, to an antenna module and a wireless communication terminal device comprising same, wherein the antenna module reduces the number of RF cables used in antenna feeding, thereby being capable of reducing production costs and lowering the defect rate in assembly.

IPC Classes  ?

  • H01Q 1/46 - Electric supply lines or communication lines
  • H01R 13/646 - Details of coupling devices of the kinds covered by groups or specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
  • H04M 1/02 - Constructional features of telephone sets

10.

ANTENNA MODULE

      
Application Number KR2021002173
Publication Number 2021/172823
Status In Force
Filing Date 2021-02-22
Publication Date 2021-09-02
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Su
  • Son, Gwan Woo
  • Lee, Won Ro

Abstract

The present invention relates to an antenna module and, more specifically, to an antenna module enabling the size of a wireless communication terminal to be reduced by the implementation, as a first antenna formed by an MID method and a second antenna formed on an FPCB, of the antenna module used in the wireless communication terminal. In addition, the present invention relates to the antenna module capable of performing a plurality of communication functions through a single antenna module by enabling the first antenna to function as a near-field communication (NFC) antenna and the second antenna to function as a magnetic secure transmission (MST) antenna.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 7/08 - Ferrite rod or like elongated core

11.

CABLE MODULE AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2021001493
Publication Number 2021/158041
Status In Force
Filing Date 2021-02-04
Publication Date 2021-08-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Yang, Chul Yong
  • Park, Sang Yong
  • Kim, Young Tae
  • Kim, Nam Il
  • Lee, Kyong Ho

Abstract

The present invention relates to a cable module and a method for manufacturing same and, more specifically, to: a flexible printed circuit board (FPCB) type cable module which includes a magnetic layer at a side opposite to the side where a transmission line is formed, and thereby can improve electromagnetic wave and noise shielding performance; and a method for manufacturing same.

IPC Classes  ?

  • H01B 7/08 - Flat or ribbon cables
  • H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
  • H01B 13/22 - SheathingArmouringScreeningApplying other protective layers

12.

ANTENNA MODULE

      
Application Number KR2020018018
Publication Number 2021/118244
Status In Force
Filing Date 2020-12-10
Publication Date 2021-06-17
Owner EMW CO., LTD. (Republic of Korea)
Inventor Kim, Hee Su

Abstract

The present invention relates to an antenna module and, more particularly, to an antenna module that is capable of, by implementing an antenna included in an antenna module used in a wireless communication terminal using an LDS method, reducing the thickness of the antenna module, as well as being capable of improving radiation performance of the antenna by effectively shielding against electromagnetic waves by providing a shielding layer for shielding against electromagnetic waves on the opposite side of a carrier where the LDS antenna is formed.

IPC Classes  ?

  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

13.

ANTENNA MODULE AND VEHICLE COMPRISING SAME

      
Application Number KR2020006401
Publication Number 2020/242099
Status In Force
Filing Date 2020-05-15
Publication Date 2020-12-03
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon
  • Choi, Se Ah
  • Kim, Gi Ho
  • Jeong, Hyun Seob

Abstract

The present invention relates to an antenna module and a vehicle comprising same and, more particularly, to an antenna module provided in a vehicle and transmitting/receiving a communication signal to provide a communication service, and a vehicle comprising same.

IPC Classes  ?

  • H01Q 9/40 - Element having extended radiating surface
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 1/46 - Electric supply lines or communication lines

14.

ANTENNA MODULE AND VEHICLE COMPRISING SAME

      
Application Number KR2020006368
Publication Number 2020/235866
Status In Force
Filing Date 2020-05-14
Publication Date 2020-11-26
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon
  • Choi, Se Ah
  • Kim, Gi Ho
  • Jeong, Hyun Seob

Abstract

The present invention relates to an antenna module and a vehicle comprising same, and more specifically, to an antenna module and a vehicle comprising same, the antenna module being provided to the vehicle so as to provide a communication service by transmitting/receiving a communication signal.

IPC Classes  ?

  • H01Q 9/40 - Element having extended radiating surface
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 1/46 - Electric supply lines or communication lines
  • H04B 7/0413 - MIMO systems

15.

NFC ANTENNA MODULE AND WIRELESS COMMUNICATION TERMINAL COMPRISING SAME

      
Application Number KR2020001371
Publication Number 2020/159230
Status In Force
Filing Date 2020-01-29
Publication Date 2020-08-06
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Young Tae
  • Kim, Yoo Jin
  • Kim, Nam Il
  • Lee, Kyong Ho

Abstract

The present invention relates to a near field communication (NFC) antenna module and a wireless communication terminal comprising same and, more specifically, to an NFC antenna module and a wireless communication terminal comprising same, the NFC antenna module expanding a radiation area of an NFC antenna by using a magnetic material located in a wireless communication terminal, so that the size of the NFC antenna can be miniaturized and an NFC recognition area can be expanded within the limited size of the wireless communication terminal.

IPC Classes  ?

  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

16.

RESONATOR FOR RF FILTER

      
Application Number KR2019017872
Publication Number 2020/130568
Status In Force
Filing Date 2019-12-17
Publication Date 2020-06-25
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Hwang, Do Gyeong
  • Park, Sang Yong
  • Lee, Kyong Ho

Abstract

The present invention relates to a resonator for an RF filter. More specifically, the present invention relates to a resonator, for an RF filter, which enables a reduction in size and which adjusts a resonant frequency by moving a resonant element up and down.

IPC Classes  ?

  • H01P 1/205 - Comb or interdigital filtersCascaded coaxial cavities
  • H01P 1/207 - Hollow waveguide filters

17.

QUADRIFILAR ANTENNA DEVICE

      
Application Number KR2019005629
Publication Number 2019/216692
Status In Force
Filing Date 2019-05-10
Publication Date 2019-11-14
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byoung Hoon
  • Seong, Won Mo
  • Kim, Gi Ho
  • Kim, Ui Sheon
  • Jeong, Hyun Seob
  • Choi, Se Ah

Abstract

An S-band quadrifilar antenna device having a stop band is disclosed. A quadrifilar antenna device according to an embodiment comprises: a quadrifilar antenna; and a feeding circuit for generating feeding signals from an input signal by using a coupler and a distributor, and outputting the feeding signals to the quadrifilar antenna, wherein the feeding circuit includes a filter disposed on at least one of a plurality of signal paths through which the input signal is transferred to the coupler and the distributor.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 11/08 - Helical antennas

18.

ANTENNA MODULE AND PORTABLE TERMINAL COMPRISING SAME

      
Application Number KR2018016662
Publication Number 2019/132509
Status In Force
Filing Date 2018-12-26
Publication Date 2019-07-04
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Young Tae
  • Lee, Ga Hyun
  • Kim, Nam Il
  • Lee, Kyong Ho

Abstract

An antenna module comprises: a base substrate having multiple through-holes formed therein and arranged in a first direction; a first antenna pattern arranged on the first surface of the base substrate such that the first antenna pattern is arranged in the first area of two areas distinguished by the through-holes; a second antenna pattern arranged on the second surface of the base substrate, which is opposite to the first surface thereof, such that the second antenna pattern is arranged in the second area which is opposite to the first area with reference to the through-holes; connecting patterns arranged in the through-holes so as to electrically connect the first antenna pattern and the second antenna pattern; a first magnetic body sheet arranged on the first surface of the base substrate so as to overlap with the second antenna pattern; and a second magnetic body sheet arranged on the second surface of the base substrate so as to overlap with the first antenna pattern.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

19.

BEAM-FORMING ANTENNA

      
Application Number KR2018008022
Publication Number 2019/017661
Status In Force
Filing Date 2018-07-16
Publication Date 2019-01-24
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Gi Ho
  • Kim, Ui Sheon
  • Choi, Se Ah

Abstract

A beam-forming antenna is disclosed. The beam-forming antenna comprises: an array antenna unit including a plurality of antennas; a beam-forming circuit unit, connected to each of the plurality of antennas, for distributing signals transmitted through the antennas; a diversity module, connected to the beam-forming circuit unit, for diversifying the signals; a control unit for controlling the diversity module; and an input/output unit connected to the diversity module.

IPC Classes  ?

  • H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
  • H01Q 9/28 - Conical, cylindrical, cage, strip, gauze or like elements having an extended radiating surface Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

20.

SENSOR MANUFACTURING METHOD USING PRINTING PROCESS AND SENSOR MANUFACTURED THEREBY

      
Application Number KR2018007605
Publication Number 2019/009631
Status In Force
Filing Date 2018-07-05
Publication Date 2019-01-10
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Yang, Il Gyoo

Abstract

A sensor manufacturing method using a printing process is disclosed. The sensor manufacturing method using a printing process comprises the steps of: forming a first terminal and a second terminal on a substrate; and forming a sensor, electrically connected to each of the first terminal and the second terminal, by using a printing process.

IPC Classes  ?

  • H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
  • H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor

21.

FILM TYPE ANTENNA INCLUDING THERMISTOR MANUFACTURED USING PRINTING PROCESS

      
Application Number KR2018007606
Publication Number 2019/009632
Status In Force
Filing Date 2018-07-05
Publication Date 2019-01-10
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Yang, Il Gyoo

Abstract

Disclosed is a film type antenna including a thermistor manufactured using a printing process. The film type antenna including a thermistor manufactured using a printing process comprises: a substrate; an antenna pattern arranged on the substrate; a first terminal and a second terminal arranged on the substrate while being spaced apart from the antenna pattern; and a thin film type thermistor disposed on the substrate while being spaced apart from the antenna pattern, and electrically connected to each of the first terminal and the second terminal.

IPC Classes  ?

  • H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

22.

LIGHT FILTER MEMBER AND LIGHT FILTER FABRIC COMPRISING CONDUCTIVE PATTERN STRUCTURE

      
Application Number KR2018005695
Publication Number 2018/221881
Status In Force
Filing Date 2018-05-18
Publication Date 2018-12-06
Owner EMW CO., LTD. (Republic of Korea)
Inventor Seong, Won Mo

Abstract

The present invention comprises: a light transmissible base substrate; and a light filter layer formed on the base substrate and having a plurality of conductive nano-pattern structures repeatedly formed thereon so as to be spaced apart from each other, wherein the light filter layer transmits at least one zone selected from an infrared light zone, a visible light zone, and an ultraviolet light zone. According to the present invention, only a specific wavelength of target light is transmitted according to the design of a conductive nano-pattern structure, thereby enabling skin treatment to be performed.

IPC Classes  ?

  • G02B 5/20 - Filters
  • A61N 5/06 - Radiation therapy using light
  • D03D 15/00 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used

23.

PHASE SHIFTER AND COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2018002365
Publication Number 2018/159973
Status In Force
Filing Date 2018-02-27
Publication Date 2018-09-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Park, Yong Hyun
  • Lee, Kwang Ho

Abstract

A phase shifter comprises: a fixed line having one end connected to an input terminal through which a radio signal is inputted and the other end connected to one of a plurality of output terminals through which the radio signal is outputted, and having a coupling point formed between the one end and the other end; a plurality of transmission lines spaced apart from each other above the fixed line, and formed in an arc shape such that both ends are respectively connected to different output terminals; and a coupling variable device formed at the coupling point, and varying the phase of the radio signal by coupling-feeding the plurality of transmission lines while rotating within a set angle range. A slot extending in the direction parallel to the extending direction of the transmission line and a plurality of slits extending inward from the exterior direction of the transmission line are formed at each of the plurality of transmission lines. The plurality of transmission lines include a first transmission line arranged adjacently to the fixed line, and a second transmission line arranged adjacently to the exterior direction of the first transmission line. The first transmission line is arranged at at least a part of the first transmission line and includes a protrusion line having a shape of protruding in the direction of the second transmission line.

IPC Classes  ?

  • H01P 1/18 - Phase-shifters
  • H03H 11/20 - Two-port phase shifters providing an adjustable phase shift
  • H01P 1/203 - Strip line filters
  • H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase

24.

PHASE SHIFTER AND COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2018002362
Publication Number 2018/159972
Status In Force
Filing Date 2018-02-27
Publication Date 2018-09-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Park, Yong Hyun
  • Lee, Kwang Ho

Abstract

This phase shifter comprises: a fixed line having one end connected to an input terminal, to which a wireless signal is input, and the other end connected to one of a plurality of output terminals, to which the wireless signal is output, and having a coupling point formed between the one end and the other end; a plurality of transmission lines which are spaced apart from each other over the fixed line and formed in an arc shape and have both ends thereof respectively connected to the different output terminals; and a coupling changer which is formed at the coupling point and changes the phase of the wireless signal by subjecting each of the plurality of transmission lines to coupling feeding while rotating within a set angle range. The plurality of transmission lines each have a plurality of slits extending inwards from the outside of the transmission lines.

IPC Classes  ?

  • H01P 1/18 - Phase-shifters
  • H01P 1/203 - Strip line filters
  • H03H 11/20 - Two-port phase shifters providing an adjustable phase shift
  • H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase

25.

BEAM FORMING APPARATUS AND ANTENNA SYSTEM HAVING SAME

      
Application Number KR2018001831
Publication Number 2018/151484
Status In Force
Filing Date 2018-02-12
Publication Date 2018-08-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Gi Ho
  • Kim, Ui Sheon
  • Choi, Se Ah

Abstract

Disclosed are a beam forming apparatus and an antenna system having the same. A beam forming apparatus according to an exemplary embodiment is a beam forming apparatus for adjusting beam directivity of an antenna array, the beam forming apparatus comprising: a plurality of input ports to which input power is inputted; at least one hybrid coupler in which an input terminal is connected with the input port; and a power supply unit configured to be capable of branching and supplying the input power to at least two input ports of the plurality of input ports, wherein the power supply unit adjusts the beam directivity of the antenna array by adjusting the power ratio of the input power branched to the at least two input ports.

IPC Classes  ?

  • H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
  • H04B 7/06 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station

26.

PHASE SHIFTER AND COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2018000730
Publication Number 2018/135829
Status In Force
Filing Date 2018-01-16
Publication Date 2018-07-26
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Kwang Ho

Abstract

Provided are a phase shifter and a communication device comprising same. The phase shifter, according to one embodiment of the present invention, comprises: a fixed line which has one end connected to an input terminal into which a wireless signal is inputted, has the other end connected to one of a plurality of output terminals from which the wireless signal is outputted, and has a coupling point formed between the one end and the other end; a plurality of transmission lines which are spaced apart from each other on the upper side of the fixed line, have an arc shape, and have both ends respectively connected to different output terminals; and a coupling shifter which is formed at the coupling point, rotates within a predetermined angle range, and shifts the phase of the wireless signal by coupling-feeding each of the plurality of transmission lines, wherein a plurality of arc-shaped slots are formed on each of the plurality of transmission lines along the extending directions thereof, wherein the plurality of slots are spaced apart at predetermined intervals and are layered.

IPC Classes  ?

  • H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
  • H01P 1/18 - Phase-shifters
  • H01P 1/203 - Strip line filters

27.

PHASE SHIFT MODULE AND COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2018000732
Publication Number 2018/135831
Status In Force
Filing Date 2018-01-16
Publication Date 2018-07-26
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Son, Gwan Woo
  • Lee, Won Ro
  • Park, Yong Hyun

Abstract

Provided are a phase shift module and a communication device comprising same. The phase shift module, according to one embodiment of the present invention, comprises: a plurality of phase shifters which are arranged in parallel and respectively comprise a fixed line, a plurality of transmission lines and a coupling shifter, the fixed line having one end connected to an input terminal into which a wireless signal is inputted, having the other end connected to one of a plurality of output terminals from which the wireless signal is outputted, and having a coupling point formed between the one end and the other end, the plurality of transmission lines being spaced apart from each other on the upper side of the fixed line, having an arc shape, and having both ends respectively connected to different output terminals, and the coupling shifter being formed at the coupling point, rotating within a predetermined angle range, and shifting the phase of the wireless signal by coupling-feeding each of the plurality of transmission lines; a first gear which is disposed between the plurality of phase shifters; a rod extending in one direction from one side of the first gear; and a second gear which comprises a hollow part through which the rod passes, and engages with the first gear by rotating with the rod, wherein the first gear is connected with the respective coupling shifters of the phase shifters, and by being engaged with the second gear, simultaneously rotates each of the coupling shifters within a predetermined angle range.

IPC Classes  ?

  • H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
  • H01P 5/18 - Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
  • H03H 11/20 - Two-port phase shifters providing an adjustable phase shift
  • H01P 1/18 - Phase-shifters

28.

COMPOSITE MAGNETIC PARTICLES AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2017008633
Publication Number 2018/043943
Status In Force
Filing Date 2017-08-09
Publication Date 2018-03-08
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Baek, In Seung
  • Hwang, Bo Mi

Abstract

Disclosed are composite magnetic particles and a method for manufacturing the same. An embodiment of the present invention provides composite magnetic particles comprising: an iron oxide core; and a Ni-Zn-Cu based ferrite shell formed on an outer circumference portion of the core.

IPC Classes  ?

  • H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 27/28 - CoilsWindingsConductive connections

29.

QUADRIFILAR ANTENNA COMPRISING REFLECTOR

      
Application Number KR2017001354
Publication Number 2018/016705
Status In Force
Filing Date 2017-02-08
Publication Date 2018-01-25
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon
  • Kim, Gi Ho

Abstract

A quadrifilar antenna comprising a reflector is disclosed. The quadrifilar antenna according to one embodiment comprises: a main body having a plurality of radiation elements; and the reflector, located at the lower end of the main body, for reflecting and/or diffracting signals radiated from the plurality of radiation elements.

IPC Classes  ?

  • H01Q 11/08 - Helical antennas
  • H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
  • H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens

30.

NFC ANTENNA USING COUPLING ANTENNA LOCATED ON CAMERA MODULE

      
Application Number KR2017007136
Publication Number 2018/008961
Status In Force
Filing Date 2017-07-05
Publication Date 2018-01-11
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Young Tae
  • Hwang, Yi Seul
  • Kim, Nam Il
  • Lee, Kyong Ho

Abstract

Disclosed is an NFC antenna using a coupling antenna located on a camera module. An NFC antenna according to one embodiment may comprise: an NFC feed antenna which is connected to an NFC chip to emit an NFC signal of the NFC chip; and a coupling antenna which is coupled to the feed antenna and into which the NFC signal flows.

IPC Classes  ?

  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H04M 1/02 - Constructional features of telephone sets
  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

31.

COIL-TYPE ANTENNA AND FORMING METHOD THEREFOR

      
Application Number KR2017007219
Publication Number 2018/008996
Status In Force
Filing Date 2017-07-06
Publication Date 2018-01-11
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Kim, Nam Il
  • Kim, Young Tae
  • Hwang, Yi Seul
  • Lee, Kyong Ho
  • Seong, Won Mo

Abstract

A coil-type antenna and a forming method therefor are disclosed. An antenna according to an embodiment comprises: a first antenna pattern for at least one of near field communication (NFC) and magnetic secure transmission (MST), having one end connected to a first feeder through a first connection part and an other end connected to a second feeder through a second connection part; and a second antenna pattern for MST, having one end connected to the other end of the first antenna pattern and an other end connected to a third feeder through a third connection part.

IPC Classes  ?

  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

32.

MULTI-DIRECTIONAL ANTENNA AND MOBILE DEVICE INCLUDING SAME

      
Application Number KR2017004851
Publication Number 2017/204477
Status In Force
Filing Date 2017-05-11
Publication Date 2017-11-30
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won Ro

Abstract

Disclosed are a multi-directional antenna and a mobile device including the same. A multi-directional antenna according to an exemplary embodiment comprises: a core structure comprising a magnetic core, a first antenna coil wound on the magnetic core along a first axial direction, a second antenna coil wound on the magnetic core along a second axial direction perpendicular to the first axial direction, and a third antenna coil wound on the magnetic core along a third axial direction perpendicular to each of the first axial direction and the second axial direction; and a substrate having a reception hole formed at a central part thereof, into which the lower end of the core structure is inserted, the core structure being stably placed on the substrate to allow the substrate to be electrically connected to the core structure.

IPC Classes  ?

  • H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles

33.

ANTENNA MODULE, METHOD FOR MANUFACTURING SAME, AND MOBILE TERMINAL COMPRISING SAME

      
Application Number KR2017004852
Publication Number 2017/200236
Status In Force
Filing Date 2017-05-11
Publication Date 2017-11-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Oh, Jung Han
  • Jang, Sung Il

Abstract

Disclosed are an antenna module, a method for manufacturing the same, and a mobile terminal comprising the same. The antenna module according to an exemplary embodiment comprises: a magnetic sheet; a first pattern formed on one surface of the magnetic sheet; a first cover sheet formed to cover the first pattern on the one surface of the magnetic sheet; a second pattern formed on the other surface of the magnetic sheet; a second cover sheet formed to cover the second pattern on the other surface of the magnetic sheet; and at least one via hole, formed through the first pattern, the magnetic sheet, and the second pattern, for electrically connecting the first pattern to the second pattern.

IPC Classes  ?

  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
  • H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
  • H04M 1/02 - Constructional features of telephone sets

34.

ANTENNA STRUCTURE

      
Application Number KR2016003521
Publication Number 2017/175886
Status In Force
Filing Date 2016-04-05
Publication Date 2017-10-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won-Mo
  • Kim, Gi-Ho
  • Kim, Ui-Sheon
  • Kim, Nam-Il
  • Oh, Jung-Han
  • Baek, In-Seung
  • Hwang, Bo-Mi

Abstract

The present invention relates to an antenna structure comprising: a substrate having a predetermined shape; and a shielding sheet laminated on the top surface of the substrate, wherein the top surface or the bottom surface of the substrate has a WPC pattern formed thereon, and the antenna structure further comprises a thermistor which is formed on the top surface or the bottom surface of the substrate so as to measure the temperature of the WPC pattern. According to the present invention, an NFC antenna, an MST antenna, and a WPC antenna are formed together in one substrate so as to reduce the overall size of the antenna structure, and thus it is possible to efficiently use the internal space of a mobile communication terminal; even when an NFC antenna, an MST antenna, and a WPC antenna are formed together in one substrate, the individual antennas can achieve optimal performance without interference therebetween; unlike a conventional antenna structure comprising a plurality of sheets, one nanocrystal sheet is used, so that the thickness of the antenna structure can be significantly reduced; and when the antenna structure is heated to a predetermined temperature or higher, the wireless charging function is blocked by a built-in thermistor, so that unnecessary damage can be prevented.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
  • H01Q 9/04 - Resonant antennas
  • H04B 5/00 - Near-field transmission systems, e.g. inductive or capacitive transmission systems

35.

ANTENNA STRUCTURE

      
Application Number KR2016003519
Publication Number 2017/175885
Status In Force
Filing Date 2016-04-05
Publication Date 2017-10-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won-Mo
  • Kim, Gi-Ho
  • Kim, Ui-Sheon
  • Kim, Nam-Il
  • Oh, Jung-Han
  • Baek, In-Seung
  • Hwang, Bo-Mi

Abstract

The present invention relates to an antenna structure comprising: a substrate having a predetermined shape; and a shielding sheet laminated on the top surface of the substrate, wherein the shielding sheet includes a nanocrystal layer. According to the present invention: an NFC antenna, an MST antenna, and a WPC antenna are formed together in one substrate so as to reduce the overall size of the antenna structure, and thus it is possible to efficiently use the internal space of a mobile communication terminal; even when an NFC antenna, an MST antenna, and a WPC antenna are formed together in one substrate, the individual antennas can achieve optimal performance without interference therebetween; unlike a conventional antenna structure comprising a plurality of sheets, one nanocrystal sheet is used, so that the thickness of the antenna structure can be significantly reduced; and when the antenna structure is heated to a predetermined temperature or higher, the wireless charging function is blocked by a built-in thermistor, so that unnecessary damage can be prevented.

IPC Classes  ?

  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01F 38/14 - Inductive couplings
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 9/04 - Resonant antennas
  • H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
  • H04B 5/00 - Near-field transmission systems, e.g. inductive or capacitive transmission systems

36.

WIRELESS VIDEO BRIDGE FOR REMOVING ELECTROMAGNETIC RADIATION NOISE, AND SYSTEM COMPRISING SAME

      
Application Number KR2017002790
Publication Number 2017/160075
Status In Force
Filing Date 2017-03-15
Publication Date 2017-09-21
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Oh, Sang Man

Abstract

The present invention relates to a wireless video bridge for removing electromagnetic radiation noise, and a system comprising same, the wireless video bridge, according to one embodiment, comprising: an interface; and a shielding part for removing a harmonic signal occurring in relation to the interface when the wireless video bridge is operating. A technique is provided in the present invention that may guarantee continuity in surveillance by enhancing the data transmission speed when transmitting an image captured by a security camera.

IPC Classes  ?

  • H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
  • H04B 1/59 - RespondersTransponders
  • G08B 13/196 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras

37.

ANTENNA MODULE AND MOBILE TERMINAL INCLUDING SAME

      
Application Number KR2016013843
Publication Number 2017/095104
Status In Force
Filing Date 2016-11-29
Publication Date 2017-06-08
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Nam Il
  • Hwang, Yi Seul
  • Kim, Young Tae
  • Lee, Kyoung Ho

Abstract

An antenna module and a mobile terminal including the same are provided. An antenna module according to an embodiment of the present invention is an antenna module including a first antenna and a second antenna for transmitting and receiving signals in different frequency bands, and comprises: a first antenna pattern; a second antenna pattern connected to the first antenna pattern; and an operation circuit unit which is connected in parallel to the second antenna pattern at a point where the first antenna pattern and the second antenna pattern are connected, so as to operate the first antenna pattern and the second antenna pattern as the first antenna or operate the second antenna pattern as the second antenna according to the frequency band of a signal transmitted or received by the antenna module.

IPC Classes  ?

  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
  • H01Q 5/50 - Feeding or matching arrangements for broad-band or multi-band operation

38.

COMPOSITE FERRITE MAGNETIC FIELD SHIELDING SHEET, METHOD FOR MANUFACTURING SAME, AND ANTENNA MODULE USING SAME

      
Application Number KR2016011960
Publication Number 2017/082553
Status In Force
Filing Date 2016-10-24
Publication Date 2017-05-18
Owner EMW.CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Baek, In Seung
  • Hwang, Bo Mi

Abstract

The present invention relates to a composite ferrite magnetic field shield sheet, a method for manufacturing the same, and an antenna module using the same. More particularly, the present invention relates to a technique regarding a composite ferrite magnetic field shield sheet which is divided into regions having at least two different properties by adjusting raw ferrite particles so as to be suitable for forming at least any two functional coil patterns from among wireless power charging (WPC), near field wireless communication (NFC), and magnetic security transmission (MST).

IPC Classes  ?

  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

39.

FERRITE SHEET, METHOD FOR PRODUCING SAME, AND COMPLEX ANTENNA MODULE COMPRISING SAME

      
Application Number KR2016011531
Publication Number 2017/065547
Status In Force
Filing Date 2016-10-14
Publication Date 2017-04-20
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Baek, In Seung
  • Kang, Seung Koo

Abstract

Disclosed are a ferrite sheet, a method for producing the same, and a complex antenna module comprising the same. One embodiment of the present invention provides a ferrite sheet which comprises: as main components, 63 to 68 wt% of Fe in the form of Fe2O3, 21 to 24 wt% of Zn in the form of ZnO, 4 to 9 wt% of Ni in the form of NiO, and 2 to 4 wt% of Cu in the form of CuO; and as an additive, 0.2 to 0.5 parts by weight of V in the form of V2O5 with respect to 100 parts by weight of the main components.

IPC Classes  ?

  • C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
  • C04B 35/64 - Burning or sintering processes
  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
  • H01Q 5/30 - Arrangements for providing operation on different wavebands

40.

COMMUNICATION MODULE AND WIRELESS SECURITY CAMERA SYSTEM USING SAME

      
Application Number KR2016011132
Publication Number 2017/061763
Status In Force
Filing Date 2016-10-05
Publication Date 2017-04-13
Owner EMW.CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Soo Pil

Abstract

Disclosed are a communication module and a wireless security camera system using the same. A wireless security camera system according to an exemplary embodiment is a system for wirelessly transmitting images captured by a security camera, the system comprising: a security camera; a first communication module which receives, from the security camera, images captured by the security camera, and comprises a plurality of antennas for transmitting, through a wireless network, the captured images received; a second communication module which comprises a plurality of antennas for receiving the captured image to be transmitted through the plurality of antennas; and a storage unit for storing the captured image received by the second communication module, wherein the captured images are transmitted and received between the plurality of antennas of the first communication module and the plurality of antennas of the second communication module in a multi-input, multi-output (MIMO) manner, and the first communication module and the second communication module perform beamforming to the plurality of antennas toward the direction of the other party when transmitting the captured images to transmit and receive.

IPC Classes  ?

  • H04B 7/04 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
  • H04B 7/06 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
  • H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

41.

ANTENNA MODULE AND PORTABLE TERMINAL HAVING SAME

      
Application Number KR2016003289
Publication Number 2017/047891
Status In Force
Filing Date 2016-03-30
Publication Date 2017-03-23
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Oh, Jung Han
  • Jang, Sung Il

Abstract

The present invention comprises: a magnetic body portion made of a ferrite sheet; a first pattern portion which is directly formed on one surface of the magnetic body portion and comprises a first pattern and a first plating layer stacked thereon; a second pattern portion which is directly formed on the other surface of the magnetic body portion and comprises a second pattern and a second plating layer stacked thereon; and a via hole which is formed through the magnetic body portion and has a connection member for electrically connecting the first pattern portion and the second pattern portion formed therein, wherein the first pattern portion and the second pattern portion are formed directly on the magnetic body portion without a substrate portion. According to the present invention, by directly forming the first and second pattern portions on both sides of the ferrite sheet and electrically connecting the first and second pattern portions by means of a connection member, the present invention has the effects capable of directly forming the first and second pattern portions on the ferrite sheet without a substrate portion, so that the thickness is reduced by the amount of the thickness of the substrate portion.

IPC Classes  ?

  • H01Q 7/08 - Ferrite rod or like elongated core
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier

42.

SHEET HAVING ELECTROMAGNETIC WAVE SHIELDING AND HEAT DISSIPATING FUNCTIONS, AND COMPOSITE INCLUDING SAME

      
Application Number KR2016007779
Publication Number 2017/018704
Status In Force
Filing Date 2016-07-18
Publication Date 2017-02-02
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won Ro

Abstract

Disclosed are a sheet having electromagnetic wave shielding and heat dissipating functions, and a composite including same. One embodiment of the present invention provides a sheet having electromagnetic wave shielding and heat dissipating functions, the sheet comprising: an electromagnetic wave shielding layer; and a heat dissipating layer unit stacked on the electromagnetic wave shielding layer. The heat dissipating layer unit includes: a first heat dissipating layer formed by depositing a first heat dissipating material in paste form and then drying same; and a second heat dissipating layer stacked on the first heat dissipating layer and formed by depositing a second heat dissipating material in paste form having a heat conductivity different from that of the first heat dissipating material, and then drying the second heat dissipating material.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • H05K 1/02 - Printed circuits Details

43.

ANTENNA DEVICE

      
Application Number KR2016006088
Publication Number 2017/003108
Status In Force
Filing Date 2016-06-09
Publication Date 2017-01-05
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Kyong Ho
  • Kim, Nam Il
  • Kim, Young Tae
  • Hwang, Yi Seul

Abstract

Disclosed is an antenna device. An antenna device according to an exemplary embodiment is an antenna device mounted in a mobile terminal, and comprises: a conductive structure provided in a mobile terminal; and a short-distance wireless communication antenna part which is adjacent to the conductive structure but spaced apart from the conductive structure, wherein the conductive structure is coupling-fed through the short-distance wireless communication antenna part.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/46 - Electric supply lines or communication lines
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles

44.

ADHESION MEMBER, AND STACK STRUCTURE AND MOBILE TERMINAL COMPRISING SAME

      
Application Number KR2016004785
Publication Number 2016/195260
Status In Force
Filing Date 2016-05-09
Publication Date 2016-12-08
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won Ro

Abstract

Disclosed are an adhesion member, and a stack structure and a mobile terminal comprising the same. A stack structure according to an exemplary embodiment comprises: a printed circuit board having at least one electronic element on one surface thereof; a first adhesion member having one surface thereof adhered to the other surface of the printed circuit board; and an electromagnetic wave shield having one surface thereof adhered to the other surface of the first adhesion member, wherein the first adhesion member comprises: a metal base member comprising a metal mesh; a first adhesion layer, provided on one surface of the metal base member, for adhering the metal base member to the other surface of the printed circuit board; and a second adhesion layer, provided on the other surface of the metal base member, for adhering the metal base member to the electromagnetic wave shield.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H05K 1/02 - Printed circuits Details
  • H04M 1/02 - Constructional features of telephone sets

45.

FERRITE COMPLEX SHEET AND MANUFACTURING METHOD THEREFOR

      
Application Number KR2016005714
Publication Number 2016/195352
Status In Force
Filing Date 2016-05-30
Publication Date 2016-12-08
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Baek, In Seung
  • Hwang, Bo Mi

Abstract

The present invention relates to a ferrite complex sheet and a manufacturing method therefor and, more specifically, to a ferrite complex sheet and a manufacturing method therefor, the ferrite complex sheet comprising first and second ferrite sheets manufactured by forming a second ferrite green sheet on a first ferrite green sheet and sintering the first and second ferrite green sheets simultaneously. Accordingly, the present invention can implement a thin ferrite sheet and simplify a process for manufacturing the same, thereby improving process yield.

IPC Classes  ?

  • H01F 10/20 - Ferrites
  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites

46.

FERRITE SHEET, METHOD FOR MANUFACTURING SAME, AND ELECTRONIC COMPONENT COMPRISING SAME

      
Application Number KR2016005708
Publication Number 2016/195350
Status In Force
Filing Date 2016-05-30
Publication Date 2016-12-08
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Baek, In Seung
  • Hwang, Bo Mi

Abstract

The present invention relates to a ferrite sheet and, more particularly, to a ferrite sheet and a method for manufacturing the same, the ferrite sheet comprising acicular ferrite powder and having a uniaxially-oriented magnetic direction, thereby being capable of remarkably increasing magnetic permeability and saturation magnetization, and accordingly being capable of remarkably improving the power efficiency of an electronic device by minimizing magnetic field leakage when being applied to a shielding sheet.

IPC Classes  ?

  • H01F 10/20 - Ferrites
  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields

47.

COMMERCIAL COMMUNICATION SYSTEM USING COMMUNICATION-TYPE WIRELESS CHARGER

      
Application Number KR2016003288
Publication Number 2016/159667
Status In Force
Filing Date 2016-03-30
Publication Date 2016-10-06
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Cho, Moo Keun

Abstract

The present invention comprises: a communication-type wireless charger having a guest action input unit into which an action of a guest is inputted; and a host terminal which receives information inputted through the guest action input unit and conveys, to a host, preset information corresponding to the received information, wherein the communication-type wireless charger is installed on each guest table of a business, provides a wireless charging service to an object being charged of each guest, and enables communication between the guest and the host through communication with the host terminal. The present invention has effects of providing a wireless charging service to an object being charged of a guest due to installation of a communication-type wireless charger on each table of a business, and enabling communication between a guest and a host through communication of the communication-type wireless charger and the host terminal.

IPC Classes  ?

  • G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
  • G08B 25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
  • G08B 27/00 - Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations

48.

ANTENNA APPARATUS AND MOBILE TERMINAL HAVING SAME

      
Application Number KR2016002566
Publication Number 2016/159540
Status In Force
Filing Date 2016-03-15
Publication Date 2016-10-06
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Gi Ho

Abstract

An antenna apparatus and a mobile terminal having the same are disclosed. The antenna apparatus according to one embodiment of the present invention is an antenna apparatus that is mounted on a mobile terminal, wherein one or more parts of a conductive edge structure that is divided into a plurality of parts are used as an edge antenna, and that comprises: a substrate arranged inside of the mobile terminal and on which a first power supply line for supplying current to the edge antenna is formed; and a coupling structure including an emission part that is coupling-fed by current branched from the first power supply line, wherein the phase of the current supplied to the emission part is delayed compared to the current supplied to the edge antenna.

IPC Classes  ?

  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 9/04 - Resonant antennas

49.

ANTENNA DEVICE OF PORTABLE TERMINAL AND PORTABLE TERMINAL INCLUDING SAME

      
Application Number KR2015012061
Publication Number 2016/076605
Status In Force
Filing Date 2015-11-10
Publication Date 2016-05-19
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Gi Ho
  • Lim, Jong Rok

Abstract

The present invention provides: an antenna device of a portable terminal that can easily change the resonant frequency and impedance of an antenna that is formed of a segmented metal frame; and a portable terminal including the same. According to an implemented embodiment of the present invention, provided is the antenna device of a portable terminal, comprising: a metal frame mounted in the case frame of the portable terminal and segmented into a first part and a second part; a circuit board that is disposed in the case frame and has a power feeding portion and a ground surface formed thereon, wherein the power feeding portion feeds a current; and a ground matching unit, wherein the first part of the metal frame is connected to the power feeding portion, one side of the power feeding portion is grounded by the ground surface, the second part is grounded by the ground surface, and the opposite ends of the ground matching unit are connected to the ground surface.

IPC Classes  ?

  • H01Q 1/48 - Earthing meansEarth screensCounterpoises
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

50.

ANTENNA

      
Application Number KR2015010760
Publication Number 2016/060431
Status In Force
Filing Date 2015-10-13
Publication Date 2016-04-21
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Hwang, Yi Seul
  • Lee, Kyoung Ho

Abstract

An antenna is disclosed. An antenna according to an embodiment of the present invention comprises: a first substrate having a radiation pattern formed on one surface thereof; and a second substrate that is interposed between the other surface of the first substrate and a case of a wireless communication device that includes a conductive member and a non-conductive member, and has at least one slit pattern formed therein, wherein the second substrate is provided over a part of the conductive member and a part of the non-conductive member such that the slit pattern is located over the conductive member and the non-conductive member of the case.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

51.

APPARATUS AND METHOD FOR FORMING THREE DIMENSIONAL PATTERN, AND THREE DIMENSIONAL PATTERN FORMED THEREBY

      
Application Number KR2015008224
Publication Number 2016/039527
Status In Force
Filing Date 2015-08-06
Publication Date 2016-03-17
Owner EMW CO.,LTD. (Republic of Korea)
Inventor Seong, Won Mo

Abstract

A method for forming a three dimensional pattern and a three dimensional pattern formed by the method are provided. A method for forming a three dimensional pattern according to one embodiment of the present invention comprises: a step in which predetermined fine particles are injected into a target object via an injection nozzle; a step in which the fine particles penetrate the target object; and a step in which at least one of the injection location and injection energy of the fine particles is controlled, thereby forming a three dimensional pattern in the inside of the target object.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

52.

CONDUCTIVE PATTERN FORMATION METHOD, CONDUCTIVE POWDER SPRAY DEVICE FOR CONDUCTIVE PATTERN FORMATION, AND CONDUCTIVE POWDER TO BE USED IN METHOD OR DEVICE

      
Application Number KR2015008180
Publication Number 2016/024749
Status In Force
Filing Date 2015-08-05
Publication Date 2016-02-18
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Cho, Young Min

Abstract

The purpose of the present invention is to provide a conductive pattern formation method for forming a conductive pattern by spraying conductive powder at a wide range of objects, a conductive powder spray device for a conductive pattern, and conductive powder to be used in the method and the spray device. According to the present invention, the method for forming a conductive pattern on an object comprises spraying conductive powder at the object with predetermined pressure. According to the present invention, the conductive powder spray device for forming a conductive pattern on an object comprises: a nozzle for spraying conductive powder; and a collection pipe conduit for collecting the conductive powder repulsed from the object after being sprayed from the nozzle. The conductive powder according to the present invention is nanosized.

IPC Classes  ?

  • B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying

53.

COMPOSITE MAGNETIC PARTICLES FOR WIRELESS CHARGING AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2015006731
Publication Number 2016/017941
Status In Force
Filing Date 2015-06-30
Publication Date 2016-02-04
Owner EMW CO.,LTD (Republic of Korea)
Inventor
  • Cho, Kwang Muk
  • Baek, In Seung
  • Kim, Na Yi

Abstract

The present invention relates to composite magnetic particles for wireless charging and a method for manufacturing the same and, more specifically, to the manufacturing of composite magnetic particles, capable of realizing a high-efficiency wireless charging technique through improved permeability and saturation magnetization values by comprising a metal core and a Ni-Zn-based ferrite shell enclosing the core.

IPC Classes  ?

  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

54.

ANTENNA MODULE AND WIRELESS COMMUNICATION DEVICE CASE

      
Application Number KR2015003839
Publication Number 2015/160203
Status In Force
Filing Date 2015-04-16
Publication Date 2015-10-22
Owner EMW CO.,LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won No

Abstract

An antenna module and a wireless communication device case according to an embodiment of the present invention comprise: a first injection-molded product; an antenna pattern formed on top of the first injection-molded product and formed by plating an area to which laser is irradiated with a metal material; a second injection-molded product injection-molded on top of the first injection-molded product; and a protruding rib formed on top of the first injection-molded product and formed to be spaced from the antenna pattern in the direction where a resin is injected for injection-molding the second injection-molded product. Accordingly, embodiments of the present invention can prevent an antenna pattern part from being damaged during the process of forming the antenna module by injection-molding, and can facilitate flow of a resin in the process of forming the antenna module by injection-molding.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

55.

MULTIPLE-ANTENNA

      
Application Number KR2015003835
Publication Number 2015/160200
Status In Force
Filing Date 2015-04-16
Publication Date 2015-10-22
Owner EMW CO.,LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Hwang-Bo, Chang

Abstract

Disclosed is a multiple-antenna. A multiple-antenna according to one embodiment of the present invention may comprise: a loop which is formed on the top surface of a substrate; a plurality of radiators resonating at a first frequency, which are spaced apart from the loop by a first interval and are formed around the loop spaced-apart from one another by a second interval; and a central radiator resonating at a second frequency, which is disposed internally and spaced-apart from the loop by a third interval.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

56.

WIRELESS COMMUNICATION DEVICE CASE MOLD AND ANTENNA CARRIER

      
Application Number KR2015003838
Publication Number 2015/160202
Status In Force
Filing Date 2015-04-16
Publication Date 2015-10-22
Owner EMW CO.,LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won No

Abstract

Provided are a wireless communication device case mold and an antenna carrier. The wireless communication case mold according to an embodiment of the present invention, for injection-molding an antenna carrier, comprises: a base part in which an antenna pattern is formed; a protruding part which protrudes from the base part, and in which the antenna pattern is extended; and a rib extending from a side surface portion of the protruding part in the protrusion direction of the protruding part, wherein the wireless communication case mold further comprises: a groove part into which at least a portion of the protruding part is inserted; and a guide groove, formed on the inner surface of the groove part, for guiding the position of the protruding part by being in contact with the rib so as to prevent a scratch of the antenna pattern which is formed in the protruding part when the at least one portion of the protruding part is inserted into the groove part.

IPC Classes  ?

  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • B29C 45/26 - Moulds

57.

BROADBAND MATCHING MODULE AND COMMUNICATION DEVICE INCLUDING SAME

      
Application Number KR2015003381
Publication Number 2015/152685
Status In Force
Filing Date 2015-04-03
Publication Date 2015-10-08
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon

Abstract

A broadband matching module and a communication device including the same are disclosed. To this end, the broadband matching module, according to one embodiment of the present invention, can comprise: a line unit having at least two lines which are connected to a feeding unit, at least one antenna, and a ground surface; and a matching unit having at least one inductor and/or capacitor for impedance matching with the antenna connected to the lines of the line unit.

IPC Classes  ?

58.

BROADBAND MODULE AND COMMUNICATION DEVICE INCLUDING SAME

      
Application Number KR2015003382
Publication Number 2015/152686
Status In Force
Filing Date 2015-04-03
Publication Date 2015-10-08
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon

Abstract

A broadband module and a communication device including the same are disclosed. The broadband module, according to one embodiment of the present invention, comprises: an impedance matching unit which includes a first terminal connected to a feeding end of an antenna and a second terminal connected to a feeding unit, and which is formed by one or more combinations of capacitors and inductors for an impedance matching of the antenna; and a switching unit for enabling a ground end of the antenna or the first terminal to connect with a ground surface through any one of a plurality of coordination elements according to an external control signal so as to move a resonance frequency band of the antenna.

IPC Classes  ?

  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements

59.

BROADBAND MODULE AND COMMUNICATION DEVICE INCLUDING SAME

      
Application Number KR2015003383
Publication Number 2015/152687
Status In Force
Filing Date 2015-04-03
Publication Date 2015-10-08
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Ui Sheon

Abstract

A broadband module and a communication device including the same are disclosed. The broadband module, according to one embodiment of the present invention, comprises: an impedance matching unit which includes a first terminal connected to a feeding end of an antenna and a second terminal connected to a feeding unit, and which is formed by one or more combinations of capacitors and inductors for an impedance matching of the antenna; and a switching unit for enabling the impedance matching unit to connect with a ground surface through any one of a plurality of coordination elements according to an external control signal so as to move a resonance frequency band of the antenna.

IPC Classes  ?

  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements

60.

ANTENNA ASSEMBLY AND PAYLOAD PROVIDED WITH SAME

      
Application Number KR2015001933
Publication Number 2015/130130
Status In Force
Filing Date 2015-02-27
Publication Date 2015-09-03
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Seo, Seung Up

Abstract

The present invention comprises: a multiband antenna for transceiving electromagnetic waves of multiple frequency bands; a selective transmission unit which is formed so as to cover the entire area of one side of the multiband antenna, and transmits only electromagnetic waves of communication frequency bands among the electromagnetic waves of the multiple frequency bands; and a cover member which is formed so as to cover the entire area of an outer side of the selective transmission unit. According to the present invention, it is possible to maintain a gain or radiation efficiency of an antenna and at the same time, to reduce a radar reflection area of the antenna by providing, in an antenna assembly, a selective transmission unit which transmits only electromagnetic waves of communication frequency bands among the electromagnetic waves of multiple frequency bands.

IPC Classes  ?

  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
  • H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome

61.

STACKED STRUCTURE AND METHOD OF MANUFACTURING SAME

      
Application Number KR2015000933
Publication Number 2015/119399
Status In Force
Filing Date 2015-01-28
Publication Date 2015-08-13
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Won No

Abstract

Disclosed are a stacked structure and a method of manufacturing same. A stacked structure according to an embodiment of the present invention may comprise: a pattern assembly including a laminated metal pattern having a plurality of contact portions, and configured of a film for concealing the metal pattern; and a ductile printed circuit board including a plurality of external terminals connected to the outside and a plurality of contact terminals connected to each of the plurality of external terminals, and having one surface thereof laminated on the pattern assembly so as to connect the plurality of contact terminals to the plurality of contact portions.

IPC Classes  ?

  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

62.

METHOD FOR FORMING ANTENNA MODULE, AND ANTENNA MODULE

      
Application Number KR2015000772
Publication Number 2015/115757
Status In Force
Filing Date 2015-01-26
Publication Date 2015-08-06
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Lee, Dong Suk

Abstract

Disclosed are a method for forming an antenna module, and an antenna module. The method for forming an antenna module according to the present invention comprises: a step for forming a first injection product by a first injection to a first mold; a step for forming an antenna pattern part on the first injection product; a step for forming an antenna module by a second injection to a second mold on which the first injection product, on which the antenna pattern part is formed, is positioned; and a step for spacing an ejector pin hole of the first mold and the second mold apart from the antenna pattern part. Additionally, the antenna module according to the present invention is formed by the method for forming an antenna module.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

63.

TRANSMISSION TYPE ANTENNA

      
Application Number KR2015000274
Publication Number 2015/105388
Status In Force
Filing Date 2015-01-12
Publication Date 2015-07-16
Owner EMW CO., LTD (Republic of Korea)
Inventor
  • Seong, Won Mo
  • Kim, Gi Ho
  • Seo, Seung Up

Abstract

Disclosed is a transmission type antenna in which a power feeding body is movable. The transmission type antenna according to one embodiment of the present invention may comprise: a transmission type structure for transmitting and radiating an incident radio wave; a power feeding body for radiating the radio wave to the transmission type structure or receiving the incident radio wave; a drive shaft for moving or tilting the power feeding body; a body for providing a moving path of the power feeding body through the drive shaft; and a control unit, connected through the drive shaft to the power feeding body, for controlling the movement and tilt of the drive shaft to thereby determine the tilting direction of the power feeding body.

IPC Classes  ?

  • H01Q 9/12 - Junction boxes specially adapted for supporting adjacent ends of divergent elements adapted for adjustment of angle between elements
  • H01Q 1/46 - Electric supply lines or communication lines

64.

EMBEDDED ANTENNA

      
Application Number KR2014012667
Publication Number 2015/099388
Status In Force
Filing Date 2014-12-22
Publication Date 2015-07-02
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Hong, Chang Ho
  • Seong, Won Mo

Abstract

An embedded antenna is disclosed. The embedded antenna, according to one embodiment of the present invention, comprises: a power transfer pad connected to a circuit inside a portable terminal having a metal exterior; and a first radiation unit which is connected to the power transfer pad so as to radiate a signal of a first passband, and a second radiation unit which is connected to the metal exterior so as to radiate a signal of a second passband.

IPC Classes  ?

  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

65.

ANTENNA

      
Application Number KR2014012019
Publication Number 2015/088214
Status In Force
Filing Date 2014-12-08
Publication Date 2015-06-18
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Lee, Kyoung Ho
  • Kim, Young Tae
  • Seong, Won Mo

Abstract

Disclosed is an antenna using a length-adjustable slit. An antenna according to one embodiment of the present invention may comprise: a power supply line connected to a ground pad and a power supply pad for receiving a power supply signal from a PCB, the ground pad being connected to a case; a radiator formed on the case, the radiator consisting of at least one slit having a dielectric embedded therein; and a plurality of switching terminals for controlling the resonant frequency of the slit.

IPC Classes  ?

  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support

66.

PHASE LAG CELL AND ANTENNA INCLUDING SAME

      
Application Number KR2014004574
Publication Number 2014/193116
Status In Force
Filing Date 2014-05-22
Publication Date 2014-12-04
Owner EMW CO., LTD. (Republic of Korea)
Inventor Kim, Gi Ho

Abstract

A phase lag cell and an antenna including the same are disclosed. A phase lag cell according to one embodiment of the present invention comprises: a plane reflector; a substrate spaced apart and positioned at a predetermined distance from the reflector; and a phase lag circuit formed at one side of the substrate such that L-shaped patterns are formed to be vertically and horizontally symmetrical around a cross-shaped slot, and a stub having a predetermined length is extended from the end of each L-shaped pattern.

IPC Classes  ?

  • H01Q 11/14 - Resonant antennas with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effects
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 15/14 - Reflecting surfacesEquivalent structures

67.

METAMATERIAL ANTENNA

      
Application Number KR2012007391
Publication Number 2014/042301
Status In Force
Filing Date 2012-09-17
Publication Date 2014-03-20
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kim, Jeong Pyo

Abstract

Disclosed is a metamaterial antenna. The metamaterial antenna according to one embodiment of the present invention comprises: a conductor cover formed at one side of a wireless terminal; a power feed parallel inductor element for connecting the conductor cover and a power feed unit; and at least one grounding parallel inductor element for connecting the conductor cover and at least one grounding unit.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/46 - Electric supply lines or communication lines
  • H01Q 1/48 - Earthing meansEarth screensCounterpoises
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

68.

ANTENNA AND COMMUNICATION DEVICE COMPRISING SAME

      
Application Number KR2013004743
Publication Number 2013/180479
Status In Force
Filing Date 2013-05-31
Publication Date 2013-12-05
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Byung Hoon
  • Sung, Won Mo
  • Kim, Ui Sheon
  • Yu, Yeon Sik

Abstract

The present invention relates to an antenna and to a communication device comprising same. According to one embodiment of the present invention, provided is an antenna comprising: a power supply; a first loop antenna, one end of which is connected to the power supply and the other end of which is connected to the ground; and a second loop antenna, one end of which is connected to the power supply and the other end of which is connected to the ground, wherein the electrical length of the second loop antenna is different from that of the first loop antenna. An impedance-matching line having a discontinuously varying line width is formed in a portion of a region of the first loop antenna.

IPC Classes  ?

  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 9/04 - Resonant antennas

69.

MAGNETIC SHEET, METHOD FOR MANUFACTURING MAGNETIC SHEET AND ANTENNA COMPRISING THE MAGNETIC SHEET

      
Application Number KR2013004055
Publication Number 2013/169017
Status In Force
Filing Date 2013-05-09
Publication Date 2013-11-14
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Byung Hoon
  • Sung, Won Mo
  • Ahn, Won Ki
  • Cho, Kwang Muk

Abstract

The present invention relates to a magnetic sheet, a method for manufacturing the magnetic sheet and to an antenna comprising the magnetic sheet. According to one embodiment of the present invention, provided a magnetic sheet manufactured by laminating multiple green sheets and firing the laminated green sheets, wherein the lamination is performed by forming a layer made of a heterogenous material in a portion of both sides or one side of at least one of the multiple green sheets.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
  • H01Q 7/04 - Screened antennas

70.

BROADBAND CIRCUIT AND COMMUNICATION APPARATUS INCLUDING SAME

      
Application Number KR2012011037
Publication Number 2013/105744
Status In Force
Filing Date 2012-12-18
Publication Date 2013-07-18
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Byung Hoon
  • Sung, Won Mo
  • Yu, Yeon Sik
  • Kim, Ui Sheon

Abstract

The present invention relates to a broadband circuit and to a communication apparatus including same. According to one embodiment of the present invention, a broadband circuit, interposed between an antenna operating in a first service band and a power feeding unit therefor and allowing the antenna to operate in a second service band which is wider than the first service band, includes: a first line having one end connected to the power feeding unit; a second line having one end connected to one part of a ground surface; a first capacitor interposed between the other end of the first line and the other end of the second line; a third line having one end connected the other part of the ground surface and being parallel to the first line; a fourth line having one end connected to the antenna and being parallel to the second line; a second capacitor interposed between the first and third lines; a first inductor interposed between the first and third lines and closer to the other ends of the first and third lines than the third capacitor; a fourth capacitor interposed between the second line and the fourth line; and a second inductor interposed between the second and fourth lines and closer to the other ends of the second and fourth lines than the fourth capacitor.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/46 - Electric supply lines or communication lines
  • H01Q 1/48 - Earthing meansEarth screensCounterpoises
  • H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

71.

APPARATUS AND METHOD FOR DECOMPOSING CARBON DIOXIDE USING MICROWAVES

      
Application Number KR2012002161
Publication Number 2012/134125
Status In Force
Filing Date 2012-03-27
Publication Date 2012-10-04
Owner EMW CO.,LTD (Republic of Korea)
Inventor Lim, Chae Gu

Abstract

The present invention relates to an apparatus and a method for decomposing carbon dioxide using microwaves. The temperature should be maintained at 1,800 ℃ or higher to activate carbon dioxide, thereby separating the same into carbon and oxygen, and the temperature should reach an ultra-high temperature of 2,000 ℃ or higher to completely separate carbon dioxide into carbon and oxygen. However, it is difficult to maintain said temperature in a conventional decomposition method of carbon dioxide using plasma arc. The present invention comprises a heating element which reacts to microwaves to provide a heat source for highly efficient decomposition of carbon dioxide without generating toxic gases and pollutant gases. The present invention provides an apparatus and a method for decomposing carbon dioxide using microwaves, wherein the high temperature heat for decomposing carbon dioxide is provided through microwaves, and the carbon dioxide decomposed by the provided heat can be effectively decomposed and detected.

IPC Classes  ?

  • B01D 53/62 - Carbon oxides
  • B01J 19/08 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor
  • C01B 31/02 - Preparation of carbon; Purification
  • B01D 53/32 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by electrical effects other than those provided for in group

72.

ANTENNA AND A PRODUCTION METHOD FOR SAME

      
Application Number KR2012001759
Publication Number 2012/121570
Status In Force
Filing Date 2012-03-09
Publication Date 2012-09-13
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Jung, Sung Hoon

Abstract

Disclosed are an antenna and a production method for same. According to one embodiment of the present invention, the antenna comprises: a base member which is integrally joined to the casing of a wireless device, on the inside surface of the casing; an emitter pattern which is formed on one surface of the base member; and a connecting terminal which is formed on the other surface of the base member. The emitter pattern is linked to the connecting terminal via a passageway formed in the base member.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

73.

ANTENNA AND ELECTRONIC DEVICE HAVING SAME

      
Application Number KR2012000113
Publication Number 2012/093867
Status In Force
Filing Date 2012-01-05
Publication Date 2012-07-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Seong, Won Mo
  • Oh, Sang Jin
  • Park, Joung Mi

Abstract

Disclosed are an antenna and an electronic device having same. The antenna according to an embodiment of the present invention comprises: an antenna carrier with at least one of each of first via holes and second via holes formed thereon; first radiators formed on each of the two sides of the antenna carrier and connecting electrically through the first via holes; and second radiators formed on each of the two sides of the antenna carriers and connecting electrically through the second via holes, wherein the first radiators and the second radiators are separated from each other. Thus, the present invention provides an antenna having a novel structure that maximizes the strengths of LDS processing method while resolving the problem of disconnection on the side surfaces of the antenna carrier, and is, at the same time, insensitive to the external factors.

IPC Classes  ?

  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/46 - Electric supply lines or communication lines
  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure

74.

MAGNETIC SHEET CIRCUIT BOARD AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2012000116
Publication Number 2012/093868
Status In Force
Filing Date 2012-01-05
Publication Date 2012-07-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Seong, Won Mo
  • Kim, Jeong Pyo

Abstract

Disclosed are a magnetic sheet circuit board and a method for manufacturing same. The magnetic sheet circuit board comprises: a plurality of protection layers; magnetic sheets provided between each of the protection layers; and at least one conductive pattern provided between each of the protection layers and the magnetic sheets. The magnetic sheet circuit board can decrease not only the thickness thereof while including the magnetic sheets in the structure, but also the length of the radiator of the antenna that is realized on the magnetic sheets using the magnetic permeability of a ferrite included in the magnetic sheets, and increase the resonance frequency bandwidth of the antenna.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets

75.

Y-TYPE FERRITE, AND FERRITE MOLDED PRODUCT PREPARED THEREFROM

      
Application Number KR2011008922
Publication Number 2012/074238
Status In Force
Filing Date 2011-11-22
Publication Date 2012-06-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kum, Jun Sig

Abstract

The present invention relates to Y-type ferrite, and a ferrite molded product prepared therefrom, and more specifically, to Y-type ferrite which is represented by the following chemical formula 1 to have a high permeability and a low permeability loss in the high frequency band of 1 GHz or more, and thus can miniaturize various electronic devices and enables broadband if applied as a magnetic material of the electronic devices, and a ferrite molded product prepared therefrom. [Chemical formula 1] Ba2CoaZnbCucMndFe12O22 (wherein, a, b, c and d are a positive number, and 1.8 ≤ a + b + c + d ≤ 2.2).

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
  • C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites

76.

BROADBAND ANTENNA USING METAMATERIALS, AND COMMUNICATION DEVICE INCLUDING SAME

      
Application Number KR2011003864
Publication Number 2011/159037
Status In Force
Filing Date 2011-05-26
Publication Date 2011-12-22
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Seong, Won Mo
  • Ji, Jeong Keun

Abstract

Disclosed are a broadband antenna using metamaterials and a communication device including same. The broadband antenna using metamaterials according to an embodiment of the present invention comprises: a radiating patch which is a transmission line having right-handed (RH) characteristics in a composite right/left handed transmission line (CRLH-TL) structure, and is particularly patterned according to a resonating frequency to act as a radiating element of the antenna; a feed line connected to one end of the radiating path for supplying power to the radiating patch; a ground line connected to the other end of the radiating path for grounding the radiating patch; and a ferritic helical loading unit which is formed on the ground line and acts as a first parallel inductor having left-handed (LH) characteristics in the CRLH-TL structure. Therefore, the bandwidth of the metamaterial antenna can be extended.

IPC Classes  ?

  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements

77.

METHOD FOR PRODUCING Y-TYPE FERRITE, AND Y-TYPE FERRITE PRODUCED THEREBY

      
Application Number KR2010009398
Publication Number 2011/081397
Status In Force
Filing Date 2010-12-28
Publication Date 2011-07-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kum, Jun Sig

Abstract

The present invention relates to a method for producing Y-type ferrite and to Y-type ferrite produced thereby. Provided is Y-type ferrite having a compositional formula such as Ba2Co2-xZnxFe12O22, wherein the range for the value of x is 0.5 ≤ x ≤ 1.5. The present invention has the advantage that Y-type ferrite can be used as a raw material for communications devices where a high frequency band is required, since it makes it possible to produce Y-type ferrite having a magnetic permeability of at least 2 even in high frequency bands of more than 1 GHz by replacing some of the cobalt ions contained in Y-type ferrite with zinc ions.

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • C04B 35/34 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with cobalt oxide as the principal oxide with zinc oxide
  • H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites

78.

METHOD FOR PRODUCING Y-TYPE FERRITE, AND Y-TYPE FERRITE PRODUCED THEREBY

      
Application Number KR2010009405
Publication Number 2011/081399
Status In Force
Filing Date 2010-12-28
Publication Date 2011-07-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kum, Jun Sig

Abstract

The present invention relates to a method for producing Y-type ferrite and to Y-type ferrite produced thereby. Provided is Y-type ferrite having a compositional formula such as Ba2Co2-xCuxFe12O22, wherein the range for the value of x is 0.5 ≤ x ≤ 1.5. The present invention has the advantage that Y-type ferrite can be used as a raw material for communications devices where a high frequency band is required, since it makes it possible to produce Y-type ferrite having a magnetic permeability of at least 2 even in high frequency bands of more than 1 GHz by replacing some of the cobalt ions contained in Y-type ferrite with copper ions.

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • C04B 35/32 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with cobalt oxide as the principal oxide
  • H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites

79.

ANTENNA DEVICE

      
Application Number KR2010009161
Publication Number 2011/078558
Status In Force
Filing Date 2010-12-21
Publication Date 2011-06-30
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Yu, Yeon Sik
  • Kim, Gi Ho

Abstract

Disclosed is an antenna device. An antenna device according to one embodiment of the present invention is a device for transmitting and receiving signals having multi-frequency bandwidths, and comprises: a first antenna electrically connected to a first substrate; a second substrate formed separated at a predetermined height from the first substrate by a plurality of pillars formed apart from one another on top of the first substrate; and a second antenna formed on the second substrate and electrically connected to the second substrate to transmit and receive signals having multi-frequency bandwidths. Here, one pillar of the plurality of pillars is made of a conductor to electrically connect the first substrate with the second substrate.

IPC Classes  ?

  • H01Q 9/04 - Resonant antennas
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 5/10 - Resonant antennas

80.

ANTENNA, SUBSTRATE FOR AN ANTENNA, AND ANTENNA DEVICE INCLUDING SAME

      
Application Number KR2010009167
Publication Number 2011/078561
Status In Force
Filing Date 2010-12-21
Publication Date 2011-06-30
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kim, Gi Ho

Abstract

Disclosed is an antenna, a substrate for an antenna, and an antenna device including same. An antenna device according to one embodiment of the present invention is configured with an antenna emitter not having a dielectric block, and includes a three-dimensionally formed antenna mounted on a substrate. Here, the antenna includes at least one support for protecting the shape of the antenna from external impacts. Also, a frequency modulator for modulating a resonant frequency of the antenna, and a radiation resistance rectifier for rectifying the radiation resistance of the antenna are formed on the substrate on which the antenna is mounted.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 9/04 - Resonant antennas

81.

MULTI-BAND ANTENNA USING METAMATERIALS, AND COMMUNICATION APPARATUS COMPRISING SAME

      
Application Number KR2010009230
Publication Number 2011/078584
Status In Force
Filing Date 2010-12-22
Publication Date 2011-06-30
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

Proposed are a multi-band antenna and a communication apparatus comprising same, wherein the multi-band antenna uses metamaterials to simultaneously achieve zero-order low-resonance frequencies which are different from each other, and to obtain a non-linear positive-order resonance frequency. The multi-band antenna using metamaterials according to the present invention comprises: a carrier; a feed line arranged on the carrier; and a unit cell having a CRLH-TL structure, located on the carrier and arranged in the vicinity of the feed line. The unit cell includes a first patch and a second patch arranged on the left and right sides of the feed line, thereby reducing the size of the antenna and obtaining multi-band characteristics.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 9/04 - Resonant antennas

82.

MAGNETIC SUBSTANCES AND FABRICATION METHOD THEREOF

      
Application Number KR2010007888
Publication Number 2011/056052
Status In Force
Filing Date 2010-11-09
Publication Date 2011-05-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Park, Sang Hoon

Abstract

The present invention provides magnetic substances and a fabrication method thereof. According to one embodiment of the present invention, the magnetic substances are W-type magnetic substances having compositions of BaAMBFeCOD, wherein a metal site (MB) includes one or more elements among Mn, Zn, Cu, and Co.

IPC Classes  ?

  • H01F 1/147 - Alloys characterised by their composition
  • H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
  • H01F 1/047 - Alloys characterised by their composition
  • H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together

83.

MAGNETIC COMPOSITE AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2010007633
Publication Number 2011/055949
Status In Force
Filing Date 2010-11-02
Publication Date 2011-05-12
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Park, Sang Hoon

Abstract

Disclosed are a magnetic composite and a method for manufacturing same. A method for manufacturing a magnetic composite according to one embodiment of the present invention comprises: mixing a main magnetic substance and a sub-magnetic substance having different magnetic permeabilities, respectively, such that a mole ratio of the main magnetic substance and sub-magnetic substance is equal to or greater than a certain ratio; then, calcining the mixed magnetic substances at the calcination temperature of the main magnetic substance; pulverizing the mixture up to a certain grain diameter; and molding the mixture under a certain amount of pressure. Then, the mixture is sintered at the sintering temperature of the main magnetic substance so as to form the magnetic composite.

IPC Classes  ?

  • H01F 1/00 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties
  • G11B 5/64 - Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
  • H01F 1/06 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder

84.

INTEGRATED RELAY ANTENNA SYSTEM AND FABRICATION METHOD THEREOF

      
Application Number KR2009005612
Publication Number 2011/040655
Status In Force
Filing Date 2009-09-30
Publication Date 2011-04-07
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Seo, Seung Up

Abstract

The present invention provides an integrated relay antenna system and a fabrication method thereof which can obtain a stable isolation even though a donor antenna is integrated with a service antenna. According to the present invention, the invention comprises: a donor antenna unit; a service antenna unit which is rotated 90° in relation to the donor antenna unit and is equipped to correspond thereto, and transmits and receives signals with a mobile station; a supporting member which supports the donor antenna unit and the service antenna unit therebetween; and an isolation unit which is equipped on the supporting member in order to isolate the donor antenna unit from the service antenna unit. Here, the isolation unit comprises an isolation wall which is protruded from the edge of the supporting member and/or an isolation groove which is retracted into the supporting member. According to such a technical configuration, the donor antenna unit and the service antenna unit are integrated together, thereby obtaining a stable isolation even though the two units are adjacent to each other.

IPC Classes  ?

  • H01Q 3/24 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
  • H04B 7/155 - Ground-based stations
  • H04M 1/24 - Arrangements for testing
  • H01Q 1/00 - Details of, or arrangements associated with, antennas
  • G01S 13/00 - Systems using the reflection or reradiation of radio waves, e.g. radar systemsAnalogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified

85.

MAGNETIC COMPLEX STRUCTURE AND MANUFACTURING METHOD THEREOF AND CONDUCTOR PATTERN STRUCTURE USING SAME AND FORMING METHOD THEREOF

      
Application Number KR2010006207
Publication Number 2011/031106
Status In Force
Filing Date 2010-09-13
Publication Date 2011-03-17
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Park, Sang Hoon

Abstract

Disclosed are a magnetic complex structure and a manufacturing method thereof and a conductor pattern structure using the same and a forming method thereof. In the conductor pattern structure according to embodiments of the present invention, the magnetic complex structure is formed by fusing a nonconductive material and a magnetic material, a track is formed by physically processing the magnetic complex structure, and the conductor pattern is formed by plating the track.

IPC Classes  ?

  • B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
  • B29C 67/00 - Shaping techniques not covered by groups , or

86.

MULTI-BAND TV/GPS ANTENNA FOR A FEMTOCELL REPEATER

      
Application Number KR2010005612
Publication Number 2011/025204
Status In Force
Filing Date 2010-08-24
Publication Date 2011-03-03
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Seo, Seung Up

Abstract

According to exemplary embodiments of the present invention, a multi-band TV/GPS antenna for a femtocell repeater is disclosed. The exemplary embodiments of the present invention comprise: a first antenna unit formed in a base of the femtocell repeater to receive a signal of a predetermined band; and a second antenna unit integrally formed with one side of the main body of the femtocell repeater to receive a signal of another band. In addition, the second antenna unit is rotatably formed at one side of the main body of the femtocell repeater, such that the second antenna unit rotates when a receiving rate of an antenna is low. According to exemplary embodiments of the present invention, the volume of the femtocell repeater can be minimized, and signals of multiple bands can be received.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 11/08 - Helical antennas

87.

MULTILAYERED ANTENNA USING METAMATERIAL AND MOBILE COMMUNICATION APPARATUS COMPRISING SAME

      
Application Number KR2010004892
Publication Number 2011/013969
Status In Force
Filing Date 2010-07-26
Publication Date 2011-02-03
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Park, Young Hwan

Abstract

Disclosed are a multilayered antenna using a metamaterial and a mobile communication apparatus including the same. A multilayered antenna using a metamaterial according to one embodiment of the present invention comprises: a first conductor which is parallel to the ground at a first height from the ground and has a first area; a second conductor which is parallel to the ground at a second height from the ground and has a second area; and a third conductor which is parallel to the ground at a third height from the ground and has a third area, the third height being different from the first and second heights.

IPC Classes  ?

  • H01Q 9/04 - Resonant antennas
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements

88.

ANTENNA

      
Application Number KR2010003637
Publication Number 2010/147326
Status In Force
Filing Date 2010-06-07
Publication Date 2010-12-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Park, Young-Hwan
  • Ryu, Ji-Woong

Abstract

The present invention relates to an antenna. The antenna can easily control capacitance components of a capacitor by adjusting the mutually-intersected area of two conductive structures which constitute the capacitor influencing the resonance frequency and impedance of the antenna. Therefore, the antenna is able to facilitate fine tuning for the resonance frequency. Even if the deviation of a sub-band channel (frequency) of an antenna is large, the antenna is capable of improving the capacitance components of the capacitor by controlling the capacitance components.

IPC Classes  ?

  • H01Q 21/00 - Antenna arrays or systems
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 9/04 - Resonant antennas

89.

METHOD FOR MANUFACTURING Y-TYPE FERRITE, AND Y-TYPE FERRITE MANUFACTURED BY SAME

      
Application Number KR2010001864
Publication Number 2010/117156
Status In Force
Filing Date 2010-03-26
Publication Date 2010-10-14
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kum, Jun Sig

Abstract

The present invention relates to a method for manufacturing Y-type ferrite, and to Y-type ferrite manufactured by same. The method for manufacturing Y-type ferrite according to the present invention comprises a heat treatment step performed at least once, wherein said heat treatment step includes a primary heat treatment step performed at a temperature of 300°C to 500°C, and a secondary heat treatment step performed at a temperature of 1100°C to 1250°C. The method of the present invention is capable of manufacturing Y-type ferrite with a low permittivity, a high magnetic permeability, a low dielectric loss, and a low permeation loss, simply by controlling the heat treatment temperature without substituting a portion of initial materials or without using any additives. Therefore, the Y-type ferrite of the present invention can be used as an element for high frequency (3GHz or lower) devices, and processes for manufacturing the Y-type ferrite can be simplified, and the costs of manufacturing Y-type ferrite can be reduced.

IPC Classes  ?

90.

MULTIBAND ANTENNA USING A METAMATERIAL, AND COMMUNICATION APPARATUS INCLUDING SAME

      
Application Number KR2010002082
Publication Number 2010/117177
Status In Force
Filing Date 2010-04-06
Publication Date 2010-10-14
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

The present invention relates to a multiband antenna using a metamaterial, and to a communication apparatus including same. The present invention includes one or more metamaterial units having metamaterial properties, and, by adding a capacitive coupling device between a radiating patch and a substrate and controlling the reactance component of the metamaterial unit, provides a smaller multiband antenna that can easily control a resonance frequency, as well as a communication apparatus including same. According to the present invention, by adding the capacitive coupling device between the radiating patch and the substrate of the antenna using a metamaterial and controlling a parallel capacitance existing between the radiating patch and the substrate, the parallel capacitance can be effectively controlled without modifying the substrate.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

91.

MULTI-BAND ANTENNA DEVICE AND A COMMUNICATIONS DEVICE EMPLOYING THE SAME

      
Application Number KR2010001585
Publication Number 2010/107211
Status In Force
Filing Date 2010-03-15
Publication Date 2010-09-23
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kim, Gi Ho

Abstract

Disclosed are a multi-band antenna device and a communications device employing the same. The antenna device comprises: a first resonator which is connected to a power-supply element and resonates at a first resonation frequency; and a second resonator which is connected in parallel with the first resonator to the power-supply element and resonates at a second resonation frequency which is different from the first resonation frequency. The first resonator comprises an emitter for emitting electromagnetic signals, and the second resonator comprises a metamaterial structure. The antenna device can be formed so as to be small scale and to have multi-band or broadband characteristics, and its operating frequency can easily be adjusted.

IPC Classes  ?

  • H01Q 21/30 - Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
  • G01S 13/00 - Systems using the reflection or reradiation of radio waves, e.g. radar systemsAnalogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified

92.

MULTIBAND AND BROADBAND ANTENNA, AND COMMUNICATION APPARATUS COMPRISING SAME

      
Application Number KR2010001220
Publication Number 2010/101373
Status In Force
Filing Date 2010-02-26
Publication Date 2010-09-10
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

The present invention relates to a multiband and broadband antenna, and to a communication apparatus comprising same. The present invention provides a multiband and broadband antenna, comprising: a feeder line formed in a portion of a carrier; and two or more metamaterial cells which are formed in the carrier, fed by the feeder line, and have a composite right- / left- handed transmission line (CRLH-TL) structure. According to the present invention, two or more metamaterial cells are formed, and one or more of the inductance component and the capacitance component of said two or more metamaterial cells are adjusted, thereby obtaining a multiband and broadband antenna, the length of which is determined regardless of a resonance frequency.

IPC Classes  ?

  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 13/10 - Resonant slot antennas

93.

MULTIBAND AND BROADBAND ANTENNA USING METAMATERIALS, AND COMMUNICATION APPARATUS COMPRISING SAME

      
Application Number KR2010001269
Publication Number 2010/101378
Status In Force
Filing Date 2010-03-02
Publication Date 2010-09-10
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

A multiband and broadband antenna using metamaterials and a communication apparatus comprising same are provided. According to one embodiment of the present invention, provided is a multiband and broadband antenna, comprising: a feeder unit formed in at least a portion of a carrier; and at least one double negative (DNG) unit cell which is formed in the carrier, fed by the feeder unit, and serves as a composite right/left handed transmission line (CRLH-TL).

IPC Classes  ?

  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 23/00 - Antennas with active circuits or circuit elements integrated within them or attached to them
  • H01Q 5/10 - Resonant antennas

94.

MULTIBAND AND BROADBAND ANTENNA USING METAMATERIALS, AND COMMUNICATION APPARATUS COMPRISING SAME

      
Application Number KR2010001270
Publication Number 2010/101379
Status In Force
Filing Date 2010-03-02
Publication Date 2010-09-10
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

A multiband and broadband antenna using metamaterials and a communication apparatus comprising same are provided. According to one embodiment of the present invention, provided is a multiband and broadband antenna comprising: a feeder unit formed in at least a portion of a carrier; and at least one double negative (DNG) unit cell and at least one epsilon negative (ENG) unit cell which are formed in the carrier, fed by the feeder unit, and serve as a composite right/left handed transmission line (CRLH-TL).

IPC Classes  ?

  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 23/00 - Antennas with active circuits or circuit elements integrated within them or attached to them

95.

MULTI BAND BALUN

      
Application Number KR2010001198
Publication Number 2010/098603
Status In Force
Filing Date 2010-02-25
Publication Date 2010-09-02
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Oh, Hee Seok
  • Nam, Sang Wook

Abstract

A balun with an input terminal and two output terminals comprises a first transmission line which includes an LH (Left-Handed) feature in a low frequency band and an RH (Right-Handed) feature in a high frequency band by connecting to the input terminal and one of the output terminals, and a second transmission line which includes an RH feature in the low frequency band and an LH feature in the high frequency band by connecting to the input terminal and the other output terminals. CRLH and DCRLH structures, which are meta-material structures, are applied to the structure of a transmission line of a balun to miniaturize a dual band and an RF device. Moreover, a transmission line is inserted between output terminals of a balun to increase isolation between two terminals.

IPC Classes  ?

  • H01P 5/10 - Coupling devices of the waveguide type for linking lines or devices of different kinds for coupling balanced lines or devices with unbalanced lines or devices
  • H01P 5/18 - Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers

96.

MULTIBAND ANTENNA HAVING A CRLH-TL PERIODIC STRUCTURE CONSTITUTED BY MULTILAYER UNIT CELLS, AND COMMUNICATION APPARATUS USING THE ANTENNA

      
Application Number KR2010000447
Publication Number 2010/095816
Status In Force
Filing Date 2010-01-25
Publication Date 2010-08-26
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

Disclosed are a multiband antenna, having a composite right/left handed transmission line (CRLH-TL) periodic structure constituted by multilayer unit cells, and a communication apparatus using the antenna. The multiband antenna has a radiation element with a CRLH-TL periodic structure, formed by arraying at least one unit cell serving as a CRLH-TL in a dielectric carrier by means of a predetermined period, wherein said unit cell is formed into a multilayer structure such that a radiant line serving as a resonator is arrayed into layers.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

97.

MIMO ANTENNA SYSTEM COMPRISING AN ISOLATION UNIT MADE OF A METAMATERIAL

      
Application Number KR2010000582
Publication Number 2010/095820
Status In Force
Filing Date 2010-02-01
Publication Date 2010-08-26
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Choi, Jae Hoon
  • Kim, Jeong Pyo

Abstract

A multiple-input and multiple-output (MIMO) antenna system comprising an isolation unit made of a metamaterial is disclosed. According to one embodiment of the present invention, a MIMO antenna system comprises: one or more antenna elements; and a metamaterial transmission line which is formed on an electrical transfer path between said one or more antenna elements, and which causes a phase shift of 180 degrees.

IPC Classes  ?

  • H04B 7/04 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas

98.

MULTIBAND ANTENNA USING A CRLH-TL STRUCTURE AND COMMUNICATION DEVICE USING THE ANTENNA

      
Application Number KR2010000423
Publication Number 2010/093131
Status In Force
Filing Date 2010-01-22
Publication Date 2010-08-19
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

A multi-band antenna using a composite right/left handed transmission line (CRLH-TL) structure and a communication device using the antenna are disclosed. The multi-band antenna includes a radiation element having a CRLH-TL structure, formed by arranging at least one unit cell which serves as a CRLH-TL on a dielectric carrier.

IPC Classes  ?

  • H01Q 5/10 - Resonant antennas
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

99.

SPIRAL LOADED METAMATERIAL ANTENNA AND COMMUNICATION DEVICE USING THE ANTENNA

      
Application Number KR2010000407
Publication Number 2010/093129
Status In Force
Filing Date 2010-01-22
Publication Date 2010-08-19
Owner EMW CO., LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Ji, Jeong Keun

Abstract

A spiral loaded, metamaterial antenna and a communication device using the antenna are disclosed. The antenna has a radiation element which has a composite right/left handed transmission line (CRLH-TL) structure, and which is formed on a dielectric substrate using spiral loading. The spiral loading is spaced apart from the grounding surface formed on the dielectric substrate, and the radiation element has a resonance frequency determined by the reactance component forming the CRLH-TL structure.

IPC Classes  ?

  • H01Q 11/08 - Helical antennas
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set

100.

ANTENNA DEVICE WITH IMPROVED DIRECTIVITY

      
Application Number KR2010000912
Publication Number 2010/093201
Status In Force
Filing Date 2010-02-12
Publication Date 2010-08-19
Owner EMW CO.,LTD. (Republic of Korea)
Inventor
  • Ryou, Byung Hoon
  • Sung, Won Mo
  • Kim, Gi Ho

Abstract

Disclosed is an antenna device with improved directivity. The antenna device comprises a hybrid circuit having first and second outputs with a phase difference of 90 degrees, a first antenna element fed by the first output of the hybrid circuit, and a second antenna element fed by the second output of the hybrid circuit. The hybrid circuit achieves the 90-degree phase difference between the first and second outputs by comprising a meta-material structure. With the antenna device, two or more antennas can be powered inside a compact device, and the directivity of the antenna device can be controlled.

IPC Classes  ?

  • H01Q 3/24 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
  • H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
  • H01Q 5/10 - Resonant antennas
  1     2        Next Page