Abstract

The present invention provides a moving body surroundings detection system comprising an ultrasonic sensor for detecting an object in the surroundings of a moving body and a control circuit that analyzes a detection signal from the ultrasonic sensor. The ultrasonic sensor includes an excitation part having an effective radius set to no more than half the wavelength of the sound wave to be oscillated. The maximum detection distance in the horizontal direction with respect to the plane of the excitation part of the ultrasonic sensor is set longer than half the maximum height of the moving body from the ground and shorter than the maximum height of the moving body from the ground. The ultrasonic sensor is attached to the moving body at an angle such that the distance between the center of the excitation part and the intersection of the ground and a plane passing through the center of the excitation part and parallel to the excitation part is the maximum detection distance or less, and such that the distance between the center of the excitation part and the intersection of a plane parallel to the ground and passing through the position of the maximum height of the moving body from the ground and the plane passing through the center of the excitation part and parallel to the excitation part is the maximum detection distance or less.

IPC Classes  ?

• G01S 7/521 - Constructional features

Abstract

A noise filter includes: a noise detector which detects voltage due to electromagnetic noise generated by a power converter and outputs adjusted voltage obtained by adjusting the detected voltage; a compensation signal applicator which superimposes compensation voltage having a polarity opposite to the voltage due to electromagnetic noise, on an output or an input of the power converter via a transformer; and an injection voltage generator which generates, on the basis of the adjusted voltage, first output voltage and second output voltage having a polarity opposite thereto, for generating injection voltage between one end and another and of a primary-side winding of the transformer, and outputs the first output voltage and the second output voltage to the one end and the other end, respectively.

IPC Classes  ?

• H03H 11/04 - Frequency selective two-port networks
• H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control

Abstract

This automatic door system (1) controls a door (10A) that slides and opens and closes the doorway. The automatic door system (1) comprises a detection device (20A) and a control device (40A). The detection device (20A) includes a distance sensor (21) for performing distance measurement. The control device (40A) controls the door (10A) on the basis of the result of the distance measurement of the detection device (20A). The distance sensor (21) transmits a distance measurement signal in the passing direction of the doorway, and receives a reflection signal of the distance measurement signal reflected by an object. The control device (40A) opens the door (10A) at a time when the object arrives at the doorway when the object is directed to the doorway. The detection device (20A) is disposed in a portion that is closer, than the central portion of the door (10A), to the side opposite to the side on which the door (10A) moves when the door (10A) is opened.

IPC Classes  ?

• E05F 15/73 - Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects

Abstract

The present invention comprises at least one work assistance device (12) that assists with work by a worker; and a management device that sets, for each work assistance device (12), setting information indicating a work process and equipment (2) used in the work process, wherein the work assistance device (12) makes a request to the management device to change the work process and equipment (2) in response to an operation by the worker, and uses setting information in a notification from the management device after the change request as its own setting information, and the management device, in response to the change request from the work assistance device (12), changes the setting information for the work assistance device (12) and notifies the work assistance device (12) of the setting information after the change.

IPC Classes  ?

• G06Q 50/04 - Manufacturing

Abstract

This equipment abnormality detection device (1) is provided with: an AE sensor (21) that has a cantilever (211) and outputs a sine wave signal due to resonance of the cantilever (211); a switching unit (25) that switches between a sine wave signal output by the AE sensor (21) due to resonance of the cantilever (211) corresponding to an AE wave generated in equipment and a sine wave signal output by the AE sensor (21) due to resonance of the cantilever (211) corresponding to a self-diagnosis signal output to the AE sensor (21); and a signal processing unit (3) that performs abnormality detection processing of the equipment by using the sine wave signal corresponding to the AE wave generated in the equipment and self-diagnosis processing of the AE sensor (21) by using the sine wave signal corresponding to the self-diagnosis signal.

IPC Classes  ?

• G01N 29/14 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques

Abstract

A floating image display device includes an image display unit to display an image based on image data, an image formation optical system to make the image form an image as a floating image, a viewpoint information acquisition unit to acquire viewpoint information indicating a position of eyes of an observer, an ambient light information acquisition unit to acquire ambient light information indicating information on ambient light heading for the image formation optical system, an image quality deterioration region estimation unit to estimate an image quality deterioration region on the image display unit corresponding to an ambient light passage region, as a region where light included in the ambient light, reflected by the image formation optical system and heading for the position of the eyes passes through the floating image, based on the viewpoint information and the ambient light information, and a display processing unit.

IPC Classes  ?

• G02B 30/56 - Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
• G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source

Abstract

An image point group data processing device (1) has: an image data processing unit (10) that detects a plurality of image feature points (61) from a reference object (60) included in image data generated by a camera (51), and calculates, on the basis of the plurality of image feature points (61), image representative positions (63) which are a plurality of three-dimensional positions representing the reference object (60); a point group data processing unit (20) that detects, from three-dimensional point group data showing a three-dimensional point group (71) generated by a ranging sensor (52), an intra-regional point group (71a) which is a three-dimensional point group existing in a detection region (72) determined on the basis of the image representative positions (63), and detects, on the basis of the intra-regional point group (71a), a representative point group (73) representing the reference object (60); and a registration processing unit (30) that converts the image data and the three-dimensional point group data to common coordinate system data, on the basis of the image representative positions (63) and the representative point group (73).

IPC Classes  ?

• H04N 23/45 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
• G06T 7/70 - Determining position or orientation of objects or cameras
• H04N 23/61 - Control of cameras or camera modules based on recognised objects

Abstract

A noise filter (100) according to the present disclosure is provided to either a cable run (2) connecting an AC or DC power source (1) and a power conversion device (80) that converts power outputted from the power source (1) into AC or DC power or a cable run (11) connecting the power conversion device (80) and a load. The noise filter comprises: a noise detection unit (12) that detects common-mode noise generated during the operation of the power conversion device (80); a cancellation signal generation unit (16) that generates a cancellation signal which cancels the common-mode noise; a cancellation signal injection unit (14) that injects the cancellation signal into the cable run (2, 11); and an abnormality detection unit (17) that outputs an abnormality detection signal when the cancellation signal is detected to be abnormal. The noise filter (100) executes an abnormality processing sequence on the basis of the abnormality detection signal.

IPC Classes  ?

• H02M 1/00 - Details of apparatus for conversion

Abstract

An article conveyance device (1) comprises: a first moving body (100) that moves, by the power of a driving source (103), in a road surface direction (D) along a road surface (F); a second moving body (200) that is movable relative to the first moving body in the road surface direction, and that carries an article (W) placed thereon by moving in the road surface direction together with the first moving body while receiving external force from the the first moving body as the first moving body moves in the road surface direction; and adjustment units (T1, T2, T3) that adjust the range within which the second moving body is movable relative to the first moving body in the road surface direction.

IPC Classes  ?

• B62D 53/00 - Tractor-trailer combinationsRoad trains
• B61B 13/00 - Other railway systems
• B62B 3/00 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor

Abstract

A noise filter includes: a voltage detector that detects a common-mode voltage; a voltage divider circuit that outputs a divided voltage divided from the common-mode voltage; multiple common-mode transformers that are connected separately to respective power lines of multiline systems connected in parallel relation to each other to an input or output of the power converter, and that superimpose a superimposing voltage having an opposite polarity to the common-mode voltage on each of the power lines of multiline systems; and an injection waveform generator that generates at least one output voltage to be outputted to primary sides of the multiple common-mode transformers, on the basis of the divided voltage. The injection waveform generator generates as the output voltage, a voltage with which a difference between the superimposing voltage to be super-imposed on each of the power lines and the common-mode voltage is within an allowable value.

IPC Classes  ?

• H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
• H03H 7/01 - Frequency selective two-port networks

Abstract

A child station 2 comprises: four input terminals; a first sensor device that has four first conduction circuit units respectively associated with the four input terminals and that has such a circuit configuration that a current flows through an i-th one of the first conduction circuit units and no current flows through the first conduction circuit units other than the i-th one; a second sensor device that has four second conduction circuit units respectively associated with the four input terminals and that has such a circuit configuration that a current flows through a j-th one of the second conduction circuit units and no current flows through the second conduction circuit units other than the j-th one; and a control device that detects a state in which currents flowed through the i-th one of the first conduction circuit units and through the j-th one of the second conduction circuit units, thereby determining that a power supply line P+, a power supply line P0, a signal line D+, and a signal line D− are connected to the input terminals.

IPC Classes  ?

• H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Abstract

A noise filter (50) comprises: a noise detector (7) that detects a voltage due to electromagnetic noise generated by an electric power converter (2), and outputs a regulated voltage (Vd) obtained by regulating this voltage; a compensation signal applicator (75) that superimposes a compensation voltage (Vcom) of opposite polarity to the voltage due to the electromagnetic noise on an output or input of the electric power converter (2) through a transformer (11); and an injection voltage generator 30 that generates a first output voltage (Vo1) for generating an injection voltage (Vinj) between one end and another end of a primary winding (m1) of the transformer (11), and a second output voltage (Vo2) of opposite polarity to the first output voltage on the basis of the regulated voltage (Vd), and outputs the first output voltage and the second output voltage to the one end and the other end, respectively.

IPC Classes  ?

• H02M 1/12 - Arrangements for reducing harmonics from AC input or output
• H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Abstract

A noise filter includes: a voltage detector which detects a common mode voltage generated by a power converter; a voltage division circuit which outputs a division voltage obtained by dividing the common mode voltage detected by the voltage detector; a plurality of common mode transformers which superimpose injection voltages each having a polarity opposite to a polarity of the common mode voltage onto an output from or an input to the power converter; and an injection waveform generator which generates, on the basis of the division voltage, output voltages to be outputted to primary sides of the plurality of common mode transformers. The injection waveform generator generates the output voltages such that a difference between the common mode voltage and a total injection voltage obtained by summing the injection voltages to be superimposed by the plurality of common mode transformers is equal to or smaller than an allowable value.

IPC Classes  ?

• H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
• H02M 1/12 - Arrangements for reducing harmonics from AC input or output

Abstract

A stress evaluation device (2) comprises: a detection information acquisition unit (21) that acquires detection information indicating the posture and movement of a subject (A) with regard to virtual work in a virtual space; a virtual member information acquisition unit (22) that acquires virtual member information indicating a virtual member used by the subject (A) when performing the virtual work; and a stress evaluation unit (23) that, on the basis of the detection information and the virtual member information, calculates an evaluation value of stress which is due to the virtual work and is assumed to be applied to the subject (A) performing the virtual work.

IPC Classes  ?

• G06Q 50/04 - Manufacturing

Abstract

A terminal base device (1) comprises: a terminal base (2) in which a plurality of insertion holes (20) and a support surface (21) adjacent to the edge of each insertion hole (20) are formed; a plurality of crimp terminals (3), each of which includes an insertion section (30) which is inserted into the insertion hole (20) and a supported section (31) which is arranged to the outside of the insertion hole (20) and makes contact with the support surface (21) in a state where the insertion section (30) is inserted in the insertion hole (20); and a cover (4) that makes contact with a surface of the supported section (31) facing opposite the support surface (21) and is fixed to the terminal base (2).

IPC Classes  ?

• H01R 9/00 - Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocksTerminals or binding posts mounted upon a base or in a caseBases therefor

Abstract

An aerial image display device (100) comprises: an image display unit (10) that displays an image (11) on the basis of image data; an image formation optical system (10) that forms the image (11) as an aerial image (12); a viewpoint information acquisition unit (51) that acquires viewpoint information (60) indicating the position of an eye (80) of a viewer; a peripheral light information acquisition unit (52) that acquires peripheral light information (61) indicating information relating to peripheral light (L21) traveling to the image formation optical system (20); an image quality degradation region estimation unit (54) that, on the basis of the viewpoint information (60) and the peripheral light information (61), estimates an image quality degradation region (R3) on the image display unit (10) corresponding to a peripheral light passage region (R30) in which light (L22, L25) reflected by the image formation optical system (20) and traveling to the position of the eye (80) out of the peripheral light (L21) passes the aerial image (12); and a display processing unit (55) that corrects the image (11) on the basis of the image quality degradation region (R3).

IPC Classes  ?

• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix

Abstract

The present invention provides an exercise therapy device that can have a simple structure. This exercise therapy device is provided with an exercise device for causing an exercise target site of a body to mechanically move, and an electrical stimulation device for applying electrical stimulation to a pair of antagonist muscles included in the exercise target site regardless of the shape of the exercise target site. The exercise device causes the exercise target site to mechanically move while the electric stimulation device is applying electrical stimulation to the pair of antagonist muscles at the same time.

IPC Classes  ?

• A61N 1/36 - Applying electric currents by contact electrodes alternating or intermittent currents for stimulation, e.g. heart pace-makers

Abstract

A vibration detection device includes an A/D conversion unit for receiving a sine wave signal of an AE wave corresponding to vibration generated in a target machine from an AE sensor that detects the AE wave and converting the received sine wave signal into digital data, an extraction unit for extracting, from the digital data, a data point of a local maximum value for each cycle of the sine wave signal, and an output processing unit for outputting the data point extracted by the extraction unit and cycle data including data points with the number of points which can be recognized as a sine wave and including the data point of a local maximum value so that an output unit visibly outputs the data point and the cycle data.

IPC Classes  ?

• G01M 5/00 - Investigating the elasticity of structures, e.g. deflection of bridges or aircraft wings

Abstract

This LED display structure comprises: a housing (10) which has a front wall (10a) and one side wall (10c), and has an inclined wall (11) having a display window (12) between one side end of the front wall (10a) and one side end of the one side wall (10c); an LED (20) which is disposed in the housing (10), and irradiates the display window (12) of the inclined wall (11) of the housing (10) with light; and a nameplate (30) which is mounted on the front surface of the inclined wall (11) of the housing (10), and has a light diffusion plate (31) provided to face the display window (12) of the inclined wall (11), and on which an explanation of display of the LED (20) is given.

IPC Classes  ?

• G09F 13/20 - Illuminated signsLuminous advertising with luminescent surfaces or parts

Abstract

This thermoelectric conversion control device (12) comprises: a current/voltage measurement unit (12b) for measuring current and voltage which are input from a thermoelectric conversion device (11) to a power conversion unit (12a); and a power conversion control unit (12c) for controlling the current and the voltage which are input to the power conversion unit (12a). The power conversion control unit (12c) calculates the maximum output load resistance value of the thermoelectric conversion device (11) on the basis of a current variation and the difference between the voltage measured immediately after changing the current input to the power conversion unit (12a) only by a constant value and the voltage measured after the voltage stabilizes, and controls the current and the voltage, which are input to the power conversion unit (12a), so that the load resistance value seen from the input terminal side of the power conversion unit (12a) becomes the maximum output load resistance value.

IPC Classes  ?

• H02N 11/00 - Generators or motors not provided for elsewhereAlleged perpetua mobilia obtained by electric or magnetic means

Abstract

This vibration measurement device is provided with a sensor (10) for sensing vibration of a measurement target (W), and an attachment (20) that detachably supports the sensor (10) with respect to the measurement target (W). The attachment (20) has: an attachment body (21) that accommodates the sensor (10) therein so as to cover the sensor (10); a spring (24) that is interposed between the sensor (10) and the attachment body (21) and that presses the sensor (10) toward the measurement target; and an engagement protrusion (23b) that engages with an engagement recess (11) formed in the sensor (10) being pressed by the spring (24).

IPC Classes  ?

• G01H 1/00 - Measuring vibrations in solids by using direct conduction to the detector

Goods & Services

Interfaces for computers; computer peripheral devices; converters, electric; inverters [electricity]; couplings, electric; connectors [electricity]; fuses; regulating apparatus, electric; current rectifiers; distribution boxes [electricity]; switches, electric; ducts [electricity]; cables, electric; measuring apparatus; terminals [electricity]; relays, electric; branch boxes [electricity]; transmitters [telecommunication]; loudspeakers; computer programs, recorded; computer programs, downloadable.

Abstract

Provided is an exercise load control device including: a patient information input unit configured to input patient information which indicates whether a patient using an exercise therapy apparatus is an atrial fibrillation patient; a heart rate information acquisition unit configured to acquire heart rate information which indicates a heart rate of the patient using the exercise therapy apparatus; and a load control unit configured to control a magnitude of a load to be applied by the exercise therapy apparatus to the patient, based on the patient information input by the patient information input unit and the heart rate information acquired by the heart rate information acquisition unit.

IPC Classes  ?

• A61B 5/22 - ErgometryMeasuring muscular strength or the force of a muscular blow
• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement

Abstract

This gas drying system (100) comprises a flow-in pipe (111), a drying tower (120), and a flow-out pipe (112). A gas containing water and mixed with oil flows through the flow-in pipe. The drying tower is filled with a drying agent. The drying tower dries the gas flowing in from the flow-in pipe by the drying agent. The gas dried in the drying tower flows through the flow-out pipe. The drying agent has a pore diameter greater than or equal to the molecular size of the oil and has a plurality of pores into which the oil penetrates.

IPC Classes  ?

• H02K 9/26 - Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters

Abstract

The purpose of the present invention is to increase the power extracted from a thermoelectric conversion device. This power control device is provided with a power measurement unit which measures power outputted from the thermoelectric conversion device, and a control unit which controls the power outputted from the thermoelectric conversion device. The power measurement unit measures the power outputted from the thermoelectric conversion device after the load relative to the output of the thermoelectric conversion device has fluctuated and further after a time corresponding to the thermal time constant of the thermoelectric conversion device has elapsed.

IPC Classes  ?

• H02M 3/00 - Conversion of DC power input into DC power output

Goods & Services

Interfaces for computers; computer peripheral devices; converters, electric; inverters [electricity]; couplings, electric; connectors [electricity]; fuses; regulating apparatus, electric; current rectifiers; distribution boxes [electricity]; switches, electric; ducts [electricity]; cables, electric; measuring apparatus; terminals [electricity]; relays, electric; branch boxes [electricity]; transmitters [telecommunication]; loudspeakers; computer programs, recorded; computer programs, downloadable.

Goods & Services

Interfaces for computers; computer peripheral devices; converters, electric; inverters [electricity]; couplings, electric; connectors [electricity]; fuses; regulating apparatus, electric; current rectifiers; distribution boxes [electricity]; switches, electric; ducts [electricity]; cables, electric; measuring apparatus; terminals [electricity]; relays, electric; branch boxes [electricity]; transmitters [telecommunication]; loudspeakers; computer programs, recorded; computer programs, downloadable.

Abstract

A noise filter (50) comprises: a voltage detector (7) which detects a common mode voltage (Vci) generated by a power converter (7); a voltage-dividing circuit (9) which outputs a divided voltage (Vd) obtained by dividing the common mode voltage (Vci); a plurality of common mode transformers (11a, 11b) which are individually connected to each of power lines (5A, 5B) of a plurality of systems connected in parallel to the output or input of the power converter (2), and which superimpose a superimposed voltage (Vs) that is the opposite polarity of the common mode voltage (Vci) on each of the power lines (5A, 5B) of the plurality of systems; and an injection waveform generator (10) which generates an output voltage (Vp) to be outputted to the primary sides of the plurality of common mode transformers (11a, 11b) on the basis of the divided voltage (Vd). The injection waveform generator (10) generates the output voltage (Vp) such that the difference between the superimposed voltage (Vs) superimposed on each of the power lines (5A, 5B) and the common mode voltage (Vci) becomes equal to or lower than an allowable value.

IPC Classes  ?

• H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Abstract

An AC electric motor drive system includes a power supply transformer connected to an AC power supply and insulating an AC power supply side and a load side; an AC electric motor; a power converter which converts AC voltage outputted from the power supply transformer to output AC voltage, and which outputs the output AC voltage to the AC electric motor; and a capacitive component having one end connected to the load side of the power supply transformer, and another end grounded.

IPC Classes  ?

• H02K 5/02 - Casings or enclosures characterised by the material thereof
• H02K 11/40 - Structural association with grounding devices
• H05K 5/00 - Casings, cabinets or drawers for electric apparatus
• H02P 6/32 - Arrangements for controlling wound field motors, e.g. motors with exciter coils

Abstract

A facility state monitoring device (2) is provided with: a data extraction unit (22) that extracts, from a database (21), an average value, a maximum value, and a minimum value of vibration corresponding to an operation specification other than vibration measured in a facility (3) under a normal state; a calculation unit (23) that calculates a degree of change in a measurement value of vibration with respect to the average value of vibration by using the extracted average value, maximum value, and minimum value of vibration; and a display processing unit (24) for causing a display device (4) to display representation information indicating a calculation value of the degree of change in the measurement value of vibration and a range of change where the maximum value and the minimum value of vibration extracted from the database (21) are an upper limit value and a lower limit value, respectively.

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass

Goods & Services

Interfaces for computers; computer peripheral devices; electric power converters; power inverters; electric couplings; insulated electrical connectors; fuses for electric current; apparatus and instruments for transforming, regulating or controlling electric current; current rectifiers; distribution boxes for electrical power; switches, electric; electrical ducts; cables, electric; temperature indicators; vibration meters; electrical terminal blocks; relays, electric; telecommunications transmitters; loudspeakers; computer operating programs, recorded

Goods & Services

Interfaces for computers; computer peripheral devices; electric power converters; power inverters; electric couplings; insulated electrical connectors; fuses for electric current; apparatus and instruments for transforming, regulating or controlling electric current; current rectifiers; distribution boxes for electrical power; switches, electric; electrical ducts; cables, electric; temperature indicators; vibration meters; electrical terminal blocks; relays, electric; telecommunications transmitters; loudspeakers; computer operating programs, recorded

Goods & Services

Interfaces for computers; computer peripheral devices; electric power converters; power inverters; electric couplings; insulated electrical connectors; fuses for electric current; apparatus and instruments for transforming, regulating or controlling electric current; current rectifiers; distribution boxes for electrical power; switches, electric; electrical ducts; cables, electric; temperature indicators; vibration meters; electrical terminal blocks; relays, electric; telecommunications transmitters; loudspeakers; computer operating programs, recorded

Abstract

A vibration-state display device (13) displays, on a display screen (4A) of a display device (4), for each display cycle: a first pointer image (A), which corresponds to an average value of digital data for detection signals of vibrations that have occurred in equipment (2), at a center position of a pointer amplitude; a second pointer image (B), which corresponds to a minimum value, at a lower limit position of the pointer amplitude; and a third pointer image (C), which corresponds to a maximum value, at an upper limit position of the pointer amplitude.

IPC Classes  ?

• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

The present invention comprises: a plane setting unit (41) that sets a plane (11a) present in a virtual space (10a) simulating a real space including a virtual object, and a plane (11b) corresponding to the plane (11a) and present in a virtual space (10b) simulating a real space; a plane extraction unit (42) that extracts, on the basis of the setting results from the plane setting unit (41), a plane (12a) intersecting the plane (11a) and present in the virtual space (10a), and a plane (12b) corresponding to the plane (12a) and present in the virtual space (10b); and a conversion unit (43) that aligns, on the basis of the setting results from the plane setting unit (41) and the extraction results from the plane extraction unit (42), the position and direction in the virtual space (10a) with the position and direction in the virtual space (10b).

IPC Classes  ?

• G06T 19/00 - Manipulating 3D models or images for computer graphics

Abstract

This noise filter (50) comprises: a voltage detector (7) which detects a common mode voltage (Vci) generated by an electrical power converter (2); a voltage-dividing circuit (9) which outputs a divided voltage (Vd) obtained by dividing the common mode voltage (Vci) detected by the voltage detector (7); a plurality of common mode transformers (11a, 11b) which each superpose an injection voltage (Vs) having a polarity reverse to that of the common mode voltage (Vci), on an output from or on an input to the electrical power converter (2); and an injection waveform generator (10) which generates an output voltage (Vp) to be outputted to the respective primary sides of the common mode transformers (11a, 11b) on the basis of the divided voltage (Vd). The injection waveform generator (10) generates the output voltage (Vp) such that the difference between the common mode voltage (Vci) and a total injection voltage, which is obtained by adding the respective injection voltages (Vs) superposed by the common mode transformers (11a, 11b), becomes equal to or lower than an allowable value.

IPC Classes  ?

• H02M 1/12 - Arrangements for reducing harmonics from AC input or output

Abstract

A battery pack (40A) comprising: a housing (41) that accommodates a battery cell (42); a power-receiving coil (44) that is provided across a plurality of inner side surfaces (41a to 41d) of the housing (41), magnetically resonates with a power supply coil (31) of a power supply device (30), and receives power from the power supply coil (31) in a non-contact manner; and a charging circuit (43) that is accommodated within the housing (41), and supplies power received by the power-receiving coil (44) to the battery cell (42).

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Abstract

A wireless power transmission device (1) comprises a transmission power supply circuit (11) that outputs sinusoidal power, and a resonant transmission antenna (12) that transmits sinusoidal power. A wireless power reception device (2) comprises a resonant reception antenna (21) that receives sinusoidal power, and a reception power supply circuit (22) that includes a rectifier circuit (24) for rectifying and smoothing sinusoidal power and a waveform control circuit (23) provided between the reception antenna (21) and the rectifier circuit (24). The waveform control circuit (23) passes sinusoidal power and attenuates harmonic components included in non-sinusoidal power generated by the rectifying operation of the rectifier circuit (24).

IPC Classes  ?

• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
• H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
• H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters

Abstract

A threshold value generation device (20) has: a threshold value candidate group generation unit (21) for generating a first threshold value candidate group that includes one or more threshold value candidates (C1-C13), on the basis of a plurality of abnormality levels respectively assigned to a plurality of samples; a first determination accuracy calculation unit (24) for calculating first determination accuracies (TPR, TNR) respectively for the one or more threshold value candidates (C1-C13) that are included in the first threshold value candidate group; a restriction designation unit (22) for designating restrictions on the first determination accuracies; a first threshold value selection unit (23) for selecting the one or more threshold value candidates from the first threshold value candidate group on the basis of the restrictions and generating a second threshold value candidate group that includes the selected one or more threshold value candidates; a second determination accuracy calculation unit (26) for calculating second determination accuracies (TPR, TNR) of the one or more threshold value candidates (C1-C6) that are included in the second threshold value candidate group; and a second threshold value selection unit (25) for outputting, as a final threshold value, the threshold value candidate that is selected from the second threshold value candidate group on the basis of the second determination accuracies.

IPC Classes  ?

• G06N 20/00 - Machine learning

Abstract

An ergometer according to this invention comprises pedals rotated by an exerciser, a motor connected to the pedals, and a control device connected to the motor in order to control an operation of the motor, wherein a control mode of the control device for controlling the motor can be switched between a concentric contraction exercise mode, in which the motor is caused to function as a load while the pedals are rotated by the exerciser, and an eccentric contraction exercise mode, in which the motor rotates the pedals so that the exerciser is forced to resist the rotation of the pedals.

IPC Classes  ?

• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement
• A63B 21/005 - Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters

Abstract

This state monitoring device (4) comprises: an A/D conversion unit (41) that converts a sine wave signal of AE waves inputted from an AE sensor (3) into digital data; a data extraction unit (42) that extracts a maximum value from the digital data; a parameter calculation unit (43) that, by using the digital data, calculates values of a parameter indicating a state of the AE waves; a matrix generating unit (44) that generates matrix data including a plurality of regions in which a plurality of ranges for the values of the parameter are correlated with a plurality of ranges for the maximum value, wherein the number of times of occurrence of the maximum value is counted within a region in which the range for the values of the parameter calculated by the parameter calculation unit (43) corresponds to the range of the maximum value extracted by the data extraction unit (42); and an output processing unit (45) that outputs the matrix data generated by the matrix generating unit (44).

IPC Classes  ?

• G01N 29/14 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
• G01M 99/00 - Subject matter not provided for in other groups of this subclass

Abstract

A deterioration amount-detecting device (2) provided with: a sensor voltage-extracting part (21) for extracting, from the output voltage of an AE sensor (3) that detects AE waves from a machine tool (4), the idling period output voltage and the machining period output voltage; a sensor voltage change-calculating part (22) for calculating changes in output voltage resulting from changes in detection sensitivity of the AE sensor that correspond to changes in temperature in the machining period; a deterioration amount-calculating part (23) for calculating the deterioration amounts of the machine tool (4) before and after machining of an object (10) that is being machined on the basis of the change in output voltage of the AE sensor (3) calculated by the sensor voltage change-calculating part (22); and a deterioration amount-integrating part (24) for integrating the deterioration amounts calculated by the deterioration amount-calculating part (23).

IPC Classes  ?

• B23Q 17/09 - Arrangements for indicating or measuring on machine tools for indicating or measuring cutting pressure or cutting-tool condition, e.g. cutting ability, load on tool
• B23Q 17/00 - Arrangements for indicating or measuring on machine tools
• B23Q 17/12 - Arrangements for indicating or measuring on machine tools for indicating or measuring vibration

Abstract

This vibration detection device (4) comprises: an A/D conversion unit (41) that receives a sinusoidal signal of an AE wave corresponding to vibrations generated in a target machine (2) from an AE sensor (3) for detecting the AE wave, and converts the input sinusoidal signal into digital data; and an extraction unit (42) that extracts, from the digital data, a data point of a maximum value for each cycle of the sinusoidal signal.

IPC Classes  ?

• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
• G01M 99/00 - Subject matter not provided for in other groups of this subclass

Abstract

This vibration detection device (4) comprises: an A/D conversion unit (41) which receives, from an AE sensor (3) that detects an AE wave in response to the vibration generated in a target machine (2), a sinusoidal signal of the AE wave, and converts the received sinusoidal signal into digital data; an extraction unit (42) which extracts a data point of a maximum value from the digital data for each cycle of the sinusoidal signal; and an output processing unit (43) which visually outputs by an output unit (6), the data points extracted by the extraction unit (42) and cycle data composed of data points of the number of points that can be identified as a sinusoidal and including the data point of the maximum value.

IPC Classes  ?

• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
• G01M 99/00 - Subject matter not provided for in other groups of this subclass
• G01N 29/12 - Analysing solids by measuring frequency or resonance of acoustic waves

Abstract

This vibration detection device (4) comprises: an A/D conversion unit (41) which inputs, from an AE sensor (3) that detects an AE wave corresponding to the vibration generated in a target machine (2), a sine wave signal of the AE wave, and converts the input sine wave signal into digital data; an extraction unit (42) which extracts a data point of a local maximum value from the digital data for each cycle of the sine wave signal; and an output processing unit (43) which visually outputs through an output unit (6), the data points extracted by the extraction unit (42) and cycle data composed of data points among the number of points that can be identified as a sine wave and including the data point of the local maximum value.

IPC Classes  ?

• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

This device for measuring the state of equipment comprises: an AE sensor (1) that detects an AE signal corresponding to the vibration and temperature generated by a rotating machine, and outputs a sine wave signal of the detected AE signal; a vibration measurement unit (2) that measures the level of vibration in the rotating machine on the basis of the sine wave signal; and a temperature measurement unit (3) that measures the temperature of the rotating machine on the basis of the sine wave signal.

IPC Classes  ?

• G01D 21/00 - Measuring or testing not otherwise provided for
• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

An insulated power supply circuit includes a power input circuit including a switching control circuit and a switching element connected to a corresponding winding of a transformer, and power output circuits of two systems each including a regulator connected to a corresponding winding. By the control circuit controlling ON/OFF of the switching element in accordance with an output condition change command signal, which is generated based on a load condition at an output destination of each regulator, a voltage corresponding to an estimated value of a preset excitation level is generated, to thereby change the excitation level of the winding. Each regulator receives an output voltage generated in a corresponding winding in response to the change in excitation level.

IPC Classes  ?

• H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
• G06F 7/575 - Basic arithmetic logic units, i.e. devices selectable to perform either addition, subtraction or one of several logical operations, using, at least partially, the same circuitry
• H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

Abstract

The present invention comprises: a main mould (21) that has a bolt hole (212); a drum insert (22) that has a cover screw hole (222), which is a through-hole comprising a larger-diameter section (2221), a smaller-diameter section (2222) connected to said larger-diameter section (2221), and a bolt hole (2223) connected to said smaller-diameter section (2222) and having a smaller diameter than said smaller-diameter section (2222); a hex socket head bolt (24) that has a threaded section insertable into the bolt hole (212) and the bolt hole (2223), and a head insertable into the smaller-diameter section (2222) of the cover screw hole (222), and mounts the drum insert (22) on the main mould (21); a spacer (25) that is positioned on a step section (2224) formed by the larger-diameter section (2221) and the smaller-diameter section (2222) in the cover screw hole (222); and a cover screw (27) that has a threaded section insertable into the smaller-diameter section (2222) in the cover screw hole (222), and a head insertable into the larger-diameter section (2221) in said cover screw hole (222), and is mounted in said cover screw hole (222) with the spacer (25) in between, wherein the position of the head of the cover screw (27) in relation to the surface of the drum insert (22) is adjusted by the thickness of the spacer (25).

IPC Classes  ?

• B29C 45/26 - Moulds
• B29C 33/42 - Moulds or coresDetails thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves

Abstract

This exercise load control device is provided with: a patient information input unit for inputting patient information indicating whether or not a patient using an exercise therapy device is a patient with atrial fibrillation; a heart rate information acquisition unit for acquiring heat rate information indicating the heart rate of the patient using the exercise therapy device; and a load control unit for controlling the amount of load to be given to the patient by the exercise therapy device on the basis of the patient information input by the patient information input unit and the heart rate information acquired by the heart rate information acquisition unit.

IPC Classes  ?

• A61H 1/02 - Stretching or bending apparatus for exercising
• A61H 99/00 - Subject matter not provided for in other groups of this subclass
• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement
• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups

Abstract

The present invention comprises: a combination device (A) in which a sensor (A) and a vibration device (A) are integrated; and a combination device (B) in which a sensor (B) and a vibration device (B) are integrated. On the basis of the results of a comparison between a determination range and a vibration generated by the vibration device (A) and detected by a sensor (X) and the sensor (B), and the results of a comparison between the determination range and a vibration generated by the vibration device (B) and detected by the sensor (X) and the sensor (A), the present invention determines the quality of attachment states of the combination device (A), the combination device (B), and the sensor (X), and presents a position adjustment target according to the results of the determination.

IPC Classes  ?

• G01D 21/00 - Measuring or testing not otherwise provided for
• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

The present invention comprises: a creation unit (103) which creates boundary volumes (6) for each of a plurality of objects (5) which include at least one mobile body (5a); a coarse determination unit (104) which, using the boundary volumes (6) which are created by the creation unit (103), detects the boundary volume (6) interfering with the boundary volume (6) of the mobile body (5a), and identifies the object (5) corresponding to the detected boundary volume (6); a coarse determination unit (105) which detects, from among polygons to be processed constituting the object (5) identified by the coarse determination unit (104), polygons interfering with the boundary volume (6a) of the mobile body (5a); and a fine determination unit (106) which carries out a collision determination on the basis of the polygons to be processed constituting the object (5) and detected by the coarse determination unit (105) and the polygons to be processed constituting the mobile body (5a).

IPC Classes  ?

• G06F 17/50 - Computer-aided design

Abstract

This image projection system is provided with: a projector (3) which projects an input image; an identifying unit (402) for identifying a line-of-sight direction; an identifying unit (403) for identifying the location of an object to be projected by the projector (3); a setting unit (405) for setting a pixel value of each coordinate constituting an image that can be stereoscopically viewed when a projection image is seen from a certain direction, on the basis of an area of projection by the projector (3), a result of identification by the identifying unit (402), a result of identification by the identifying unit (403), and three-dimensional data representing an object which is a target for projection; an image generation unit (406) for generating an image constituted by the pixel values set by the setting unit (405); and an output unit (407) for outputting, to the projector (3), data representing the image generated by the image generation unit (406).

IPC Classes  ?

• H04N 13/363 - Image reproducers using image projection screens
• H04N 5/74 - Projection arrangements for image reproduction, e.g. using eidophor
• H04N 13/302 - Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
• H04N 13/383 - Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes

Abstract

This AC electric motor drive sysytem has: a power supply transformer (2) connected to an AC power supply (1) and insulating between the AC power supply side and the load side; an AC electric motor (4); and a power converter (3) for converting AC voltage output from the power supply transformer (2) to output AC voltage and outputting the output AC voltage to the AC electric motor (4). The AC electric motor drive system is also provided with a capacitance component (15) having one end connected to the load side of the power supply transformer (2) and the other end connected to the ground.

IPC Classes  ?

• H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Abstract

This power supply monitoring device comprises: an isolated power supply circuit that receives an input of external power and outputs a secondary-side power isolated from the external power; a voltage monitoring circuit that is provided on a primary side of the isolated power supply circuit, monitors whether or not the external power is normally applied to the isolated power supply circuit, determines that the external power supply is abnormal when the external power is not normally applied, and performs a control such that the secondary-side power is not output from the isolated power supply circuit; and a switch circuit that includes a switch turned on in a state in which the secondary-side power is normally output and turned off in a state in which the secondary-side power is not normally output.

IPC Classes  ?

• G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values

Abstract

In this abnormality determination device, a measurement value acquisition unit (10) acquires measurement values that are larger than the measurement values directly prior thereto from vibration measurement values measured sequentially at the time of machining operation of a machine tool (2), replaces measurement values equal to or less than the measurement values directly prior thereto with the measurement values directly prior thereto, and thereby acquires measurement value time series data. A data generation unit (11) generates data in which a plurality of pieces of measurement value time series data are linked. An abnormality determination unit (12) determines abnormality of the machine tool (2) on the basis of the data generated by the data generation unit (11).

IPC Classes  ?

• B23Q 17/12 - Arrangements for indicating or measuring on machine tools for indicating or measuring vibration
• B23Q 17/09 - Arrangements for indicating or measuring on machine tools for indicating or measuring cutting pressure or cutting-tool condition, e.g. cutting ability, load on tool
• G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
• G05B 19/4065 - Monitoring tool breakage, life or condition

Abstract

The present invention comprises: a camera (1) for imaging a worker (11); a camera (2) for imaging a work area; a projector (3) for projecting an input image onto the work area; a specifying unit (402) for specifying the position of the worker (11) from the result of imaging by the camera (1); a specifying unit (403) for specifying the position of an object present in the work area from the result of imaging by the camera (2); an extraction unit (404) for extracting, in order, three-dimensional data that is an icon representing a work instruction; an image generation unit (405) for generating a pseudo three-dimensional image from the three-dimensional data on the basis of the result of specification by the specifying unit (402) and the result of specification by the specifying unit (403); an output unit (407) that outputs, to the projector (3), data showing a pseudo three-dimensional image; and a confirmation -instruction unit (408) for confirming work has been completed by the worker (11) and instructing the extraction unit (404) to extract the next set of three-dimensional data.

IPC Classes  ?

• G06Q 50/04 - Manufacturing

Abstract

This network system is provided with: power sourcing equipment (PSE) (101); a power device (PD) (102) supplied with power from the PSE (101); communication lines (111,112) for performing communication between the PSE (101) and the PD (102); and power feeding lines (111,112) for supplying power from the PSE (101) to the PD (102). The PSE (101) includes a first main communication circuit (106) connected to the communication lines, and a power feeding circuit (103) connected to the power feeding lines. The PD (102) includes a second main communication circuit (107) connected to the communication lines and communicating with the first main communication circuit (106), and a power reception circuit (104) connected to the power feeding lines. The PSE (101) further includes a first auxiliary communication circuit (108) connected to the power feeding lines. The PD (102) further includes a second auxiliary communication circuit (109) connected to the power feeding lines.

IPC Classes  ?

• H04L 29/04 - Communication control; Communication processing for plural communication lines

Abstract

This operation fluctuation detection device (2) extracts a signal in a target frequency range from a detection signal of an acoustic emission wave generated by the rotation of a rotational machine (300), and detects a fluctuation of an operation of the rotational machine (300) on the basis of the difference between a DC value of the extracted frequency band signal and a normal value.

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass
• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

Provided is an exercise therapy device capable of more appropriately adjusting the load applied to the exerciser. The exercise therapy device 10 is provided with a torque detection means 13 and a control means 12. The torque detection means 13 detects a torque applied to a rotating unit 11. The control means 12 is configured to perform a process for modifying the speed of motion of the rotating unit 11 on the basis of a force reference and the detected torque.

IPC Classes  ?

• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement

Abstract

A conductor (31) wound into a multiple-layered helical shape, and an insulating member (32) provided between layers of the conductor are provided.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H01F 27/32 - Insulating of coils, windings, or parts thereof

Abstract

A design assistance device (1) sequentially designates a plurality of selected components in components table data each as a component to be subjected to suitability determination, and calculates determination values each indicating suitability of a selected component, by using inter-component relation values between the components to be subjected to suitability determination and partner components.

IPC Classes  ?

• G06F 17/50 - Computer-aided design

Abstract

a) and an abnormality determining unit (265)) that detects an abnormality caused by foreign matter, on the basis of a result of the detection by the switching parameter detecting unit (21).

IPC Classes  ?

• H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H01F 38/14 - Inductive couplings
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Abstract

This insulated power supply circuit is provided with: a power supply input circuit including a switching control circuit and a switching element which are connected to a transformer winding; and two system power supply output circuits including a regulator connected to the winding. The control circuit controls the ON/OFF of the element according to an output condition change instruction signal generated in accordance with a load condition of the output destination of the regulator, thereby generating the voltage corresponding to an anticipated value of a preset excitation level and changing the excitation level of the winding. In response to this operation, the regulator receives the output voltage generated in the winding.

IPC Classes  ?

• H02M 3/28 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC

Abstract

A motion fluctuation detection device (2) extracts a signal in an object frequency range from a detection signal of an acoustic emission wave generated by rotation of a rotary machine, and detects fluctuation in motion of the rotary machine on the basis of the difference between a normal value and the root mean square value of the extracted signal in the frequency range.

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass

Abstract

A carrier wave generating unit for generating a carrier wave signal; a modulating unit for generating a modulated wave signal by performing amplitude modulation on the carrier wave signal generated by the carrier wave generating unit with an audio signal; an adding unit for adding the carrier wave signal generated by the carrier wave generating unit and the modulated wave signal generated by the modulating unit to generate a signal; an ultrasonic emitter for emitting the signal generated by the adding unit, and an ultrasonic emitter arranged on the central axis of the ultrasonic emitter and ahead of the emitting surface of the ultrasonic emitter, for emitting the carrier wave signal generated by the carrier wave generating unit in the same direction as the emitting direction of the ultrasonic emitter are included, wherein the phase of the carrier wave signal emitted by the ultrasonic emitter is opposite to that of the carrier wave signal included in the signal emitted by the ultrasonic emitter.

IPC Classes  ?

• H04B 11/00 - Transmission systems employing ultrasonic, sonic or infrasonic waves
• H04R 3/12 - Circuits for transducers for distributing signals to two or more loudspeakers
• H01Q 21/00 - Antenna arrays or systems

Abstract

The present invention comprises: a vibration detection unit (1) that is attached to a mobile body (12), the vibration detection unit (1) detecting vibration and transmitting a signal that has vibration information and identification information indicating the detected vibration; a transmitter (2) that is attached to the mobile body (12), the transmitter (2) periodically transmitting a signal that has the identification information; a plurality of receivers (3) that receive the signals; an identification unit (402) that identifies, from the identification information possessed by the signals received by the receiver (3), the source from which the signals were transmitted; a position detection unit (403) that detects, from the reception strength of the signals received by the receiver (3) and the identification results obtained from the identification unit (402), the position of the transmitter (2) that is the source from which the signals were transmitted; and a work status detection unit (404) that detects, from the vibration information possessed by the signals received by the receiver (3), the identification results obtained from the identification unit (402), and the detection results obtained from the position detection unit (403), the work status with respect to the mobile body (12) to which the vibration detection unit (1) that is the source from which the signals were transmitted is attached, or a work object (11) disposed on the mobile body (12).

IPC Classes  ?

• G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]

Abstract

This blower device is provided with: a chamber box (12) having a circular air intake opening (31A) for sucking in air having been discharged from an axial flow blower (11), the chamber box (12) also having a slit-like discharge opening (35a) open in a direction perpendicular to the axis of the air intake opening (31A); a semicircular cylindrical air guide (36) which is provided within the chamber box (12), guides, toward the discharge opening (35a), the air having been sucked in from the air intake opening (31A), and has a diameter greater than the diameter of the blades of the axial flow blower (11); and a pressurizing chamber (37) provided in the chamber box (12) so as to be in communication with the air guide (36), the pressurizing chamber (37) pressurizing the air which has been sucked in from the air intake opening (31A) and the air guide (36), and delivering the air toward the discharge opening (35a).

IPC Classes  ?

• F04D 29/54 - Fluid-guiding means, e.g. diffusers
• B66B 11/02 - Cages
• F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
• F24F 9/00 - Use of air currents for screening, e.g. air curtains

Abstract

Provided is a wiring conversion adapter, including: a first printed wiring board; a second printed wiring board; and a printed wiring board connector that connects these two printed wiring boards, wherein, on the first printed wiring board and the second printed wiring board, pattern design is performed in which a plurality of wiring patterns of the first printed wiring board and the second printed wiring board are divided into common wiring sections and individual wiring sections, and a mounting position of the printed wiring board connector can be changed in such a manner that the common wiring sections of the two printed wiring boards are connected to one another at all times and that the individual wiring sections of the two printed wiring boards are connected to one another in accordance with a desired wiring connection pattern.

IPC Classes  ?

• H05K 1/14 - Structural association of two or more printed circuits
• H01R 12/51 - Fixed connections for rigid printed circuits or like structures
• H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter

Abstract

The present invention is provided with: a DC/DC converter (7) that has a line (10) connected to an input terminal; a switch circuit (5) that connects or disconnects a line (9), to which power is inputted, to or from the line (10); and a switch control unit (6) that causes the switch circuit (5) to connect the line (9) to the line (10) after the voltage (V1) exceeds a threshold voltage (Vin (th)).

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/05 - Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Abstract

This ergometer 1 includes: pedals 30 that are rotated by a person who is exercising; a motor 33 that is connected to the pedals 30; and a control device that is connected to the motor 33 and controls the operation of the motor 33. The control device has control modes for the motor which can be switched between a concentric contraction exercise mode in which the motor functions as a load when the person exercising rotates the pedals and an eccentric contraction exercise mode in which the motor rotates the pedals and causes the person exercising to attempt to resist the rotation of the pedals.

IPC Classes  ?

• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement
• A63B 21/005 - Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
• A63B 23/04 - Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups

Abstract

In the present invention, a sensor unit (20) has an oscillation structure that oscillates as a result of vibration waves generated as a result of the rotation of a rotating machine. An extraction unit (21) extracts an oscillation signal for a resonant frequency of the sensor unit (20). An amplification unit (22) amplifies the oscillation signal extracted by the extraction unit (21). An A/D conversion unit (23) converts the amplified oscillation signal into a digital signal. A calculation unit (24) calculates an evaluation value expressing the change over time of the oscillation signal that has been converted into a digital signal.

IPC Classes  ?

• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
• G01M 99/00 - Subject matter not provided for in other groups of this subclass

Abstract

Disclosed is a resonance type power transmission device in which a plurality of systems having respective transmitters and receivers 3 are arranged opposite to each other and each of the systems transmits electric power having a single frequency, each of the transmitters and receivers having a transmission antenna 5 and a reception antenna 6 which are disposed so as to be fitted to each other, and in which a magnetic sheet 7 is disposed in a portion between the systems, opposite to the transmitters and receivers 3 at a distance, from each of the transmitters and receivers 3, of 1/10 or more of the minimum of the outer diameters of the transmission antenna 5 and the reception antenna 6.

IPC Classes  ?

• H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
• H01F 38/18 - Rotary transformers
• H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
• H01F 27/36 - Electric or magnetic shields or screens
• H01F 38/14 - Inductive couplings

Abstract

The present invention is provided with: an inverter circuit (7) which is provided with a resonance circuit provided with an inductor and a capacitor, and which outputs power; and a transmission antenna (2) for transferring power outputted by the inverter circuit. The inverter circuit changes the inductance of the inductor and/or the capacitance of the capacitor in accordance with the input impedance of the transmission antenna.

IPC Classes  ?

• H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Abstract

The present invention is provided with: a reception antenna (3) for receiving power transmitted from a transmission antenna (2); and a reception circuit (4) for controlling the input impedance in accordance with the mutual inductance between the transmission antenna and the reception antenna.

IPC Classes  ?

• H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Abstract

The present invention is provided with: a conductor (31) which is helically wound into a plurality of layers; and an insulating part (32) which is provided between the layers of the conductor.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H01F 27/28 - CoilsWindingsConductive connections
• H01F 27/32 - Insulating of coils, windings, or parts thereof

Abstract

This loudspeaker system is provided with: a housing (1a) formed vertically long; a loudspeaker unit (2a) that is provided to the front surface of the housing (1a); a port (3a) that is provided in the top surface of the housing (1a); and a port (5a) that is provided in the bottom surface of the housing (1a).

IPC Classes  ?

• H04R 1/02 - CasingsCabinetsMountings therein

Abstract

A kinesitherapy apparatus includes a measuring instrument, a pedaled rotational mechanism, a rotating electrical machine configured to apply an assist load, which is a regenerative load or a power running load, to the pedaled rotational mechanism, and a motion control device. The motion control device performs power running operation of the rotating electrical machine so that a minus assist load is generated in a warm-up period. In a ramp loading period following the warm-up period, the motion control device raises the assist load from the minus assist load, and calculates an anaerobic threshold based on time-series data of oxygen uptake and carbon dioxide emission that are obtained via the measuring instrument.

IPC Classes  ?

• A61B 5/0205 - Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• A63B 23/04 - Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
• A63B 22/02 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands
• A61B 5/021 - Measuring pressure in heart or blood vessels
• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement
• A61B 5/22 - ErgometryMeasuring muscular strength or the force of a muscular blow

Abstract

This power transmission-side apparatus is provided with: a switching parameter detection unit (21) that detects a switching voltage in a switching element (Q1); and an abnormality detection unit (a first comparison unit (264a) and an abnormality determining unit (265)) that detects, on the basis of detection results obtained by the switching parameter detection unit (21), an abnormality due to a foreign material.

IPC Classes  ?

• H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
• H01F 38/14 - Inductive couplings
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Abstract

The present invention is provided with: a carrier wave generation unit (4) that generates a carrier wave signal; a modulation unit (6) that generates a modulation wave signal in which the carrier wave signal generated by the carrier wave generation unit (4) is amplitude-modulated with an audio signal; an absolute value conversion unit (7) that converts the audio signal to an absolute value; an exponential weighted moving average unit (8) that finds, using the audio signal from one sampling previous, an exponential weighted moving average for the audio signal converted by the absolute value conversion unit (7), and estimates the acoustic pressure level of the audio signal; and a multiplication unit (10) that multiplies the carrier wave signal generated by the carrier wave generation unit (4) by the acoustic pressure level estimated by the exponential weighted moving average unit (8).

IPC Classes  ?

• H04R 3/00 - Circuits for transducers

Abstract

The present invention comprises: a carrier wave generation unit (7) that generates a carrier wave signal; a modulation unit (8) that generates a modulated wave signal in which the carrier wave signal generated by the carrier wave generation unit (7) has been subjected to amplitude modulation with an audio signal; an addition unit (9) that adds the carrier wave signal generated by the carrier wave generation unit (7) and the modulated wave signal generated by the modulation unit (8); an ultrasonic wave emitter (3) that emits the signal added up by the addition unit (9); and an ultrasonic wave emitter (6) that is positioned at an axial center of the ultrasonic wave emitter (3) and to the front of an emission surface of the same, and emits the carrier wave signal generated by the carrier wave generation unit (7), in the same direction as the emission direction of the ultrasonic wave emitter (3), wherein the phase of the carrier wave signal emitted by the ultrasonic wave emitter (6) is the reverse phase of the phase of the ultrasonic wave signal emitted by the ultrasonic wave emitter (3).

IPC Classes  ?

• H04R 3/00 - Circuits for transducers

Abstract

A transmission/reception unit including a transmitting antenna and a receiving antenna for carrying out a wireless power transmission in cooperation with the transmitting antenna. Each of the transmitting antenna and the receiving antenna includes a coil which has a shape in which a portion through which a current flows in a direction extends along another portion through which a current flows in an opposite direction.

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• B60L 9/00 - Electric propulsion with power supply external to the vehicle
• 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

Abstract

This illuminating device is provided with: a first light emitting unit that emits light in a first wavelength band that is in an excitation light band wherein fluorescence emission is generated using excitation/fluorescence characteristics of a fluorescent contrast agent, said first wavelength band being close to a wavelength, at which excitation efficiency is maximum; a second light emitting unit that emits light in a second wavelength band not including the first wavelength band; a first light emission control unit that controls the first light emitting unit; a second light emission control unit that controls the second light emitting unit; and a control unit for alternately emitting light from the first light emitting unit and the second light emitting unit by controlling the first light emission control unit and the second light emission control unit. The control unit prevents the first light emitting unit from emitting light when the second light emitting unit is emitting light.

IPC Classes  ?

• G02B 21/06 - Means for illuminating specimen
• A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
• A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
• A61B 90/30 - Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• G01N 21/64 - FluorescencePhosphorescence
• G02B 23/26 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes using light guides

Abstract

The present invention is provided with: a magnetic circuit unit (2), which has a pole piece (23) that forms a gap, and a screw section (24) that is coaxial with the pole piece (23); and a vibration system unit (1), which has a voice coil bobbin (11) having a voice coil (111) disposed in the gap, and a screw section (18) coaxial with the voice coil bobbin (11), said screw section (18) being screwed together with the screw section (24).

IPC Classes  ?

• H04R 9/02 - Transducers of moving-coil, moving-strip, or moving-wire type Details

Abstract

An allocation system (1) has: a data reading unit (101) that reads production plan data, device model data, and worker data; a candidate creation unit (103) that creates one or more allocation candidates on the basis of the data read by the data reading unit (101) and a constraint condition; and a candidate presentation unit (104) that presents a screen indicating the candidates created by the candidate creation unit (103).

IPC Classes  ?

• G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
• G06Q 50/04 - Manufacturing

Abstract

A transmitting device includes a transmission power supply to output electric power, whose frequency matches a resonance frequency of each of the transmitting antennas, based on input power, plural switches respectively provided for the transmitting antennas, the switches being switchable to connect or disconnect supply lines for supplying the electric power outputted by the transmission power supply to the transmitting antennas, a parameter detector to detect parameters regarding the transmission power supply, the parameter being changed as a receiving antenna gets close to the transmitting antennas, by using a protective function of the transmission power supply, and a switch controller to estimate the position of the receiving antenna from the result of the detection, and to perform switching control on the switches in accordance with the position of the receiving antenna.

IPC Classes  ?

• H04B 1/18 - Input circuits, e.g. for coupling to an antenna or a transmission line
• H04W 52/38 - TPC being performed in particular situations
• G01S 3/48 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
• H04B 7/08 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
• 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
• H04B 1/04 - Circuits
• H04B 1/3805 - 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 with built-in auxiliary receivers

Abstract

The present invention comprises: an inverter circuit (102) that outputs a high-frequency power; an inverter circuit (103) that outputs, at the same frequency as a harmonic included in said high-frequency power, a high-frequency power; a power control unit (1041) that controls the magnitude of the output power of the inverter circuit (103); a transmission antenna (105) that resonates at the same frequency as the high-frequency power output by the inverter circuit (102) and has a transmission coil (1051), said transmission coil (1051) being connected to an output end of the inverter circuit (102); and a suppression antenna (106) that resonates at the same frequency as the high-frequency power output by the inverter circuit (103) and has a suppression coil (1061), said suppression coil (1061) being connected to an output end of the inverter circuit (103) and positioned at the outer circumference or inner circumference of the transmission coil (1051). The direction of a current that flows through the transmission coil (1051) and the direction of a current that flows through the suppression coil (1061) are opposite directions.

IPC Classes  ?

• H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Abstract

The present invention comprises: a transmission antenna (3) that has a resonant frequency and is formed into a shape extending in an arbitrary direction; a reception antenna (4) that has said resonant frequency and is formed into a rectangular shape or an elliptical shape on a substrate; and a reception-side connector (5) that is attached to the substrate and connects an output end of the reception antenna (4) to an input end of a load (6).

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H01F 38/14 - Inductive couplings

Abstract

This resonant power source device comprises: a plurality of inverter circuits (101) connected in parallel that convert input power into high frequency power and output the high frequency power; switches (105) that are provided in each inverter circuit (101) and, for the relevant inverter circuit (101), switch input or output on and off; parameter detection units that detect at least one of a parameter that is related to the inverter circuit (101), said parameter changing depending on the matching state between the output impedance and the load impedance of the resonant power source device (1), or a parameter that relates to the high frequency power; a parameter acquisition unit (1061) that acquires the parameter detected by the parameter detection unit; and a switching control unit (1062) that controls the switches (105) so as to match the output impedance of the resonant power source device (1) to the load impedance on the basis of the parameter acquired by the parameter acquisition unit (1061).

IPC Classes  ?

• H02M 7/493 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
• H02J 50/05 - Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Abstract

A configuration includes: resonance-type power source circuits provided for at least two electric paths, each including a power element that performs switching at a high frequency of 2 MHz or more, and a resonant circuit element that causes the power element to perform resonant switching; a phase-control-type matching circuits provided for the respective electric paths, each having a function of controlling a phase difference between output currents of the resonance-type power source circuits and a function of providing matching of resonance conditions between the resonance-type power source circuit and a load; and a combining unit that combines output currents processed by the phase-control-type matching circuits for the respective electric paths.

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks

Abstract

An electric training apparatus is configured to apply, by a load motor, a load on a rotating body configured to apply a load on an exercising person, detect an exercise physiological response value of the exercising person and a number of revolutions of the rotating body, perform control for gradually increasing the load of the load motor toward a set load upper limit value so that a detection result of the exercise physiological response value of the exercising person approaches a target exercise physiological response value set in advance, and change, before an exercise or during the exercise by the exercising person, the load upper limit value in response to a control command input based on a state of the exercising person, a state of the control, and a perceived exertion scale for the exercising person.

IPC Classes  ?

• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
• A63B 22/06 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with rotating cycling movement
• A63B 71/06 - Indicating or scoring devices for games or players
• A63B 22/02 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands
• A61B 5/22 - ErgometryMeasuring muscular strength or the force of a muscular blow
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons

Abstract

This resonance-type wireless power transmission device is provided with a transmission antenna (21) wound in a spiral shape and with a receiving antenna (31) wound in a spiral shape, wherein one end surface of the transmission antenna (21) and one end surface of the receiving antenna (31) are arranged oppositely of each other, and the other end surface of said transmission antenna (21) and the other end surface of said receiving antenna (31) are arranged oppositely of each other.

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
• B60L 5/00 - Current-collectors for power supply lines of electrically-propelled vehicles
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
• H01F 38/14 - Inductive couplings

Abstract

This wireless power transmission device is provided with multiple transmission antennas (21) provided on a fixed part (101), one or more receiving antennas (31) provided on a moving body (102) which moves oppositely of the fixed part (101), and transmission power sources (1) which supply power to the transmission antennas (21). The method of transmitting power between a transmission antenna (21) and a receiving antenna (31) is based on magnetic field resonance or based on electromagnetic induction. The transmission antennas (21) and the receiving antennas (31) are opposably arranged such that some receiving antenna (31) always overlaps some transmission antenna (21) with at least a prescribed proportion of the surface area, and a transmission power source (1) supplies power to the transmission antenna (21) with which some receiving antenna (31) overlaps with at least the prescribed proportion of the surface area.

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power

Abstract

The present invention is provided with: a transmission-side AC/AC converter (1) provided with an input circuit (11) into which a commercial alternating current in inputted, and which offsets the commercial alternating current in the positive voltage direction by a voltage of half the voltage amplitude of the commercial alternating current, and an inverter (12) which converts the power that has been offset by the input circuit (11), to power having a higher frequency than the frequency of the commercial alternating current; a resonant transmission antenna (2) for transmitting the power that has been converted by the inverter (12); a resonant reception antenna (3) for receiving the power transmitted by the resonant transmission antenna (2); and a reception-side AC/AC converter (4) provided with a full-wave rectification circuit (42) which subjects the power received by the resonant reception antenna (3) to full-wave rectification, and an output circuit (43) which offsets, in the negative voltage direction by a voltage of half the voltage amplitude of the commercial alternating current, the power that has been subjected to full-wave rectification by the full-wave rectification circuit (42).

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power

Abstract

The present invention is provided with: a transmission-side AC/AC converter (1) provided with an input circuit (11) into which a commercial alternating current is inputted, and which subjects the commercial alternating current to full-wave rectification, and an inverter (12) which converts the power that has been subjected to full-wave rectification by the input circuit (11), to power having a higher frequency than the frequency of the commercial alternating current; a resonant transmission antenna (2) for transmitting the power that has been converted by the inverter (12); a resonant reception antenna (3) for receiving the power transmitted by the resonant transmission antenna (2); and a reception-side AC/AC converter (4) provided with a full-wave rectification circuit (42) which subjects the power received by the resonant reception antenna (3) to full-wave rectification, and an output circuit (43) which converts the power that has been subjected to full-wave rectification by the full-wave rectification circuit (42), to alternating current having half the frequency.

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power

Abstract

The present invention is provided with: a transmission-side AC/AC converter (1) provided with an input circuit (11) into which a commercial alternating current is inputted, and which outputs power obtained by subjecting the commercial alternating current to half-wave rectification, and power having a phase difference of 180 degrees with respect to said power, and inverters (12a, 12b) which convert the corresponding powers from the input circuit (11) to powers having a higher frequency than the frequency of the commercial alternating current; resonant transmission antennae (2a, 2b) for transmitting the powers converted by the corresponding inverters (12a, 12b); resonant reception antennae (3a, 3b) for receiving the powers transmitted by the corresponding resonant transmission antennae (2a, 2b); and a reception-side AC/AC converter (4) provided with full-wave rectification circuits (42a, 42b) which subject the powers received by the corresponding resonant reception antennae (3a, 3b) to full-wave rectification, and an output circuit (43) which synthesizes the powers that have been subjected to full-wave rectification by the respective full-wave rectification circuits (42a, 42b), after inverting the polarity of one of said powers.

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power

Abstract

a.

IPC Classes  ?

• H02J 17/00 - Systems for supplying or distributing electric power by electromagnetic waves
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
• H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices

Abstract

A resonant coupling power transmission system includes a resonance type power transmission device 1 having a resonance type power supply 11 to supply power, and a resonance type transmission antenna 13 to transmit the power supplied by the resonance type power supply 11, and a resonance type power reception device 2 having a resonance type reception antenna 21 to receive the power transmitted by the resonance type transmission antenna 13, and a reception circuit 23 to supply the power received by the resonance type reception antenna 21 to a load, and the characteristic impedance of each of the functional units is set in such a way that there is provided a correlation among the resonance characteristic value of the resonance type power supply 11, that of the resonance type transmission antenna 13, and that of the resonance type power reception device 2.

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Abstract

The present invention is provided with the following: a diaphragm (11); and a voice coil (12) that is attached to a position (70±5)% from the center of the diaphragm (11) with respect to the outer diameter thereof.

IPC Classes  ?

• H04R 9/04 - Construction, mounting, or centering of coil
• H04R 7/12 - Non-planar diaphragms or cones