Disclosed in the present disclosure are a dome and a diaphragm assembly for a sound producing apparatus, a sound producing apparatus, and an electronic device. The dome comprises an organic aerogel matrix and a reinforcing material dispersed in the organic aerogel matrix. The mass of the organic aerogel matrix accounts for 10% to 95% of the total mass of the dome, and the modulus density ratio of the dome is greater than or equal to 5 GPa·cm3/g. According to the present disclosure, the dome has a light weight, and thus facilitates meeting the design requirements of lightening, thinning and miniaturization of the sound producing apparatus, and can also reduce the resonance frequency of the sound producing apparatus and improve the medium-frequency sensitivity thereof.
Disclosed in the present invention are a virtual reality glove and a virtual reality product. The virtual reality glove comprises a glove body, and a heating module, a control module, a communication module and a mode changeover switch which are provided in the glove body; the heating module is configured to heat a container to be heated held by the glove body; the control module, the communication module and the mode changeover switch are all electrically connected to the heating module; the virtual reality glove switches between a real application mode and a virtual application mode by means of the mode changeover switch; in the real application mode, the control module can control the heating module to work; and in the virtual application mode, the control module communicates with a virtual reality device by means of the communication module so as to send, to the virtual reality device, a trigger instruction for capturing an action of the glove body. The technical solution of the present invention can provide a smart apparatus capable of traversing between the reality and the metaverse.
Disclosed in the present invention are a sound-producing device, a sound-producing module and an electronic device. The sound-producing device comprises a magnetic circuit system, an electrically conductive bracket and a vibration system, wherein the magnetic circuit system is configured to be square, and the magnetic circuit system comprises a magnetically conductive yoke, and a central magnetic portion and a side magnetic portion, which are arranged on the magnetically conductive yoke; the side magnetic portion is located on the outer side of the central magnetic portion, and the side magnetic portion and the central magnetic portion enclose a magnetic gap; the magnetic circuit system is provided with a mounting hole penetrating the magnetically conductive yoke and the central magnetic portion; the electrically conductive bracket is arranged in the mounting hole; the vibration system comprises a diaphragm assembly opposite the magnetic circuit system, a voice coil and a spider; one end of the voice coil is connected to the diaphragm assembly, and the other end of the voice coil is suspended in the magnetic gap; and one end of the spider is electrically connected to a bonding pad of the electrically conductive bracket, and the other end of the spider is connected to the diaphragm assembly and is electrically connected to a lead wire of the voice coil. The present invention aims to provide the sound-producing device, the size of a magnetic circuit of which is effectively increased. By means of the sound-producing device, the magnetic field intensity is effectively increased, and a BL value is also increased, thereby improving the acoustic performance.
The present application relates to the technical field of loudspeakers, and discloses a method and apparatus for discharging foreign matter in a loudspeaker, a device, and a medium. The method comprises: acquiring a desired motion waveform of a diaphragm of a loudspeaker; on the basis of the desired motion waveform, determining a driving voltage waveform; and driving the loudspeaker according to the driving voltage waveform. The desired motion waveform is a desired displacement waveform or a desired acceleration waveform, a maximum amplitude when the corresponding diaphragm having the desired motion waveform moves toward a first direction is greater than a maximum amplitude when the diaphragm moves toward a second direction, and the first direction is a direction from the diaphragm to a sound outlet hole and is opposite to the second direction. By means of the method, the diaphragm can, at the same power consumption, provide the greatest possible driving force/air pressure to foreign matter in the direction of discharging foreign matter, so that the foreign matter in the loudspeaker can be discharged from the sound outlet hole.
Disclosed in the present invention are a vibration apparatus, a driving circuit and an electronic device. The vibration apparatus comprises a first pair of linear resonant actuators, a second pair of linear resonant actuators and a third pair of linear resonant actuators, wherein the center point of the first pair of linear resonant actuators, the center point of the second pair of linear resonant actuators and the center point of the third pair of linear resonant actuators coincide, the vibration directions of the first pair of linear resonant actuators are parallel to a first direction, the vibration directions of the second pair of linear resonant actuators are parallel to a second direction, the vibration directions corresponding to the third pair of linear resonant actuators are parallel to a third direction, and the first direction, the second direction and the third direction are perpendicular in pairs.
H02P 5/46 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
A vibration device, a drive circuit, and an electronic device are disclosed. The vibration device comprises a first linear motor and a rotation component, wherein the rotation component is used for driving the first linear motor to rotate so as to change the vibration direction of the first linear motor within a three-dimensional space.
H02P 5/46 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
Disclosed in the present invention are a vibration device, a driving circuit and an electronic apparatus. The vibration device comprises a first linear motor, a second linear motor, a connecting component and a first rotating component, wherein the first linear motor and the second linear motor are respectively arranged at two ends of the connecting component, the vibration directions of the first linear motor and the second linear motor being parallel to each other and both perpendicular to the axial direction of the connecting component; and the first rotating component is fixed on the connecting component, the first rotating component driving the first linear motor and the second linear motor to rotate around the axis of the connecting component.
H02P 5/46 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
Disclosed in the present invention are a sound production apparatus, a sound production module, and an electronic device. The sound production apparatus comprises a magnetic circuit system, a conductive support, and a vibration system; the magnetic circuit system is provided with a magnetic gap and a mounting hole; the conductive support is provided in the mounting hole; the vibration system comprises a diaphragm assembly, a voice coil, and centering supports; the diaphragm assembly comprises a diaphragm, a frame, and a dome opposite to the magnetic circuit system; an inner annular hole is formed in the center of the diaphragm; the frame is provided in the inner annular hole and is connected to the diaphragm; the frame is provided with an assembling hole corresponding to the conductive support; the dome covers the assembling hole; one end of the voice coil is connected to the diaphragm or the frame, and the other end of the voice coil is suspended in the magnetic gap; and one end of each centering support is connected to the conductive support, and the other end of the centering support is connected to the frame and electrically connected to a lead of the voice coil. The sound production apparatus of the present invention has low magnetic flux leakage, and the sound production apparatus effectively improves the magnetic field strength and increases the BL value, thereby improving acoustic performance.
Disclosed in the present invention are a drive circuit for a vibration apparatus, and an electronic device. The vibration apparatus comprises a first linear resonant actuator, a second linear resonant actuator and a connecting component, wherein the first linear resonant actuator is arranged at a first end of the connecting component, the second linear resonant actuator is arranged at a second end of the connecting component, and the directions of vibration of the first linear resonant actuator and the second linear resonant actuator are both parallel to a first direction. The drive circuit is configured to drive the first linear resonant actuator and the second linear resonant actuator in-phase, so as to make the vibration apparatus translate in the first direction; alternatively, the drive circuit drives the first linear resonant actuator and the second linear resonant actuator out-of-phase, so as to make the vibration apparatus rotate about a first axis, wherein the first axis passes through a midpoint of a first line segment, and is perpendicular to the first line segment and the first direction, and the first line segment is a line segment that connects the first linear resonant actuator to the second linear resonant actuator.
H02P 5/46 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
Disclosed in the present invention are a sound production device, a sound production module, and an electronic apparatus. The sound production device comprises a magnetic circuit system, an electrically conductive support and a vibration system, wherein the magnetic circuit system comprises a magnetically conductive yoke, and a central magnetic part and an edge magnetic part arranged on the magnetically conductive yoke, the edge magnetic part and the central magnetic part enclosing a magnetic gap; the magnetic circuit system is provided with a mounting hole running through the magnetically conductive yoke and the central magnetic part, the electrically conductive support being arranged in the mounting hole, and the electrically conductive support being provided with a first welding surface; and the vibration system comprises a diaphragm assembly, a voice coil and a spider which are opposite the magnetic circuit system, one end of the voice coil being connected to the diaphragm assembly, and the other end of the voice coil being suspended in the magnetic gap, one end of the spider being electrically connected to the first welding surface, and the other end of the spider being connected to the diaphragm assembly and electrically connected to a lead-out wire of the voice coil. The first welding surface is not higher than the side surface of the central magnetic part facing the diaphragm assembly. The sound production device of the present invention has low magnetic leakage, so that the magnetic field intensity can be effectively improved, thus increasing the BL value, improving the acoustic performance.
Disclosed are a sound production device and an electronic apparatus. The sound production device includes a housing, a vibration module, and a loudspeaker module; the housing is provided with a mounting cavity; the vibration module includes a coil and a vibrator assembly which are provided in the mounting cavity; the vibrator assembly is suspended in the mounting cavity and is arranged opposite the coil; the loudspeaker module includes a vibration system and a magnetic circuit system which are provided in the mounting cavity; the magnetic circuit system is provided on a side of the vibrator assembly facing away from the coil and is opposite the vibration system; wherein the coil drives the vibrator assembly to drive the magnetic circuit system to vibrate synchronously.
A display control method, display control apparatus, an augmented reality head-mounted device, and a medium. The display control method includes: receiving, in a running process of a 3D desktop environment, a first enable instruction for enabling a first application; creating a first canvas and a first virtual screen in the 3D desktop environment in response to the first enable instruction when the first application is a 2D application; running the first application on the first virtual screen; and acquiring texture information from the first virtual screen, and rendering the texture information acquired from the first virtual screen onto the first canvas.
A housing of a sound generating device, the sound generating device and an electronic apparatus are provided. At least a part of the housing of the sound generating device is formed as a supporting part, at least a part of the supporting part is made of organic aerogel material, the organic aerogel material has a mesh structure on which reinforcement material is distributed, the reinforcement material accounts for 0 wt % to 40 wt % of the supporting part, and a specific modulus of the supporting part is 1.5 GPa·cm3/g to 40 GPa·cm3/g. At least part of the housing of the sound generating device is formed as the supporting part, the supporting part including organic aerogel material with a mesh structure and reinforcement material disposed on the mesh structure. Thus, the housing of the sound generating device has advantages of high strength, light weight and strong applicability.
H04R 1/28 - Transducer mountings or enclosures designed for specific frequency responseTransducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
A housing of a sound production device, a sound production device, and an electronic apparatus. At least a part of the housing is a first support housing, and the first support housing includes a metal frame and an organic aerogel material, wherein the metal frame is a porous framework with a pore channel structure, and the organic aerogel material is distributed on a surface of the metal frame and in the pore channel structure.
H04R 1/28 - Transducer mountings or enclosures designed for specific frequency responseTransducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
The present disclosure relates to the technology field of acoustic product. Disclosed are a diaphragm for miniature sound generation device and a miniature sound generation device. The diaphragm includes a rubber film layer formed by cross-linking reaction of an acrylate polymer, wherein the acrylate polymer contains carboxylic acid group, the cross-linking agent is an amine cross-linking agent. The present disclosure effectively improves the degree of cross-linking by using the acrylate polymer containing carboxylic acid group and the amine cross-linking agent, resulting in excellent resilience and temperature resistance of the diaphragm; At the same time, it allows the diaphragm forming method to be unrestricted and reduces preparation cost; It also improves the low-frequency performance of the miniature sound generation device, such that it has a full bass and a comfortable listening experience.
A sound production module and a terminal device are disclosed. The sound production module includes a sound production unit and an expansion cavity, the sound production unit includes a magnetic circuit system, a receiver unit including a first diaphragm and a speaker unit opposite to the receiver unit and including a second diaphragm. Vibration systems of the receiver unit and the speaker unit are on two opposite sides of the magnetic circuit system. A first rear cavity is formed between the first diaphragm and the magnetic circuit system. A second rear cavity is formed between the second diaphragm and the magnetic circuit system. The first rear cavity is separated from the second rear cavity and the expansion cavity. The receiver unit is provided with a communication hole for communicating the first rear cavity with a space outside the sound production module and not communicated with the expansion cavity.
Disclosed in the present invention are a sound-producing device and an electronic device, the sound-producing device comprising a magnetic circuit system and a vibration system. The magnetic circuit system comprises a yoke plate, a first magnetic circuit portion and a second magnetic circuit portion, wherein the first magnetic circuit portion is provided with a first magnetic gap, and the second magnetic circuit portion is arranged around part of the first magnetic circuit portion. The vibration system comprises a first vibration assembly and a second vibration assembly that vibrate perpendicular to each other, wherein the first vibration assembly comprises a first diaphragm and a first voice coil, the first voice coil being arranged in the first magnetic gap; and the second vibration assembly comprises a second diaphragm and a second voice coil, the second voice coil being a flat voice coil and having a central axis perpendicular to the second diaphragm. The second voice coil at least has a first wire segment and a second wire segment which are arranged opposite each other and have opposite current directions; at least some of the magnetic induction lines of the second magnetic circuit portion pass through the first wire segment and the second wire segment in the direction of vibration of the first vibration assembly, the magnetic induction lines that pass through the first wire segment and the second wire segment having opposite directions.
Disclosed in the present invention are a sound-producing device and an electronic device, the sound-producing device comprising a magnetic circuit system and a vibration system. The magnetic circuit system comprises a yoke plate, a first magnetic circuit portion and a second magnetic circuit portion, the first magnetic circuit portion being provided with a first magnetic gap, and the second magnetic circuit portion being arranged around part of the first magnetic circuit portion. The vibration system comprises a first vibration assembly and a second vibration assembly which vibrate perpendicular to each other, wherein the first vibration assembly comprises a first diaphragm and a first voice coil, the first voice coil being arranged in the first magnetic gap; and the second vibration assembly comprises a second diaphragm and a second voice coil, the second voice coil being a flat voice coil and having a central axis perpendicular to the second diaphragm. The second voice coil is provided with at least a first wire segment and a second wire segment which are arranged opposite each other and have opposite current directions; at least some of the magnetic induction lines of the second magnetic circuit portion pass through the first wire segment and the second wire segment in the direction of vibration of the first vibration assembly; and the directions of the magnetic induction lines passing through the first wire segment and the second wire segment are opposite.
An earphone control method, an earphone control apparatus, an earphone device and a storage medium are disclosed. The earphone control method is applied to the earphone device, and the earphone device is provided with a magnet and a magnetic flux sensor therein, a separation distance between them is changeable by pressing the earphone device, and the method comprises: obtaining a magnetic flux value by the magnetic flux sensor (S10); and determining an operation type of a user on the earphone device according to the magnetic flux value, to control the earphone device according to the operation type (S20). Compared with a control method using a traditional key, in the earphone device control method, the implementation process using the magnetic flux sensor and the magnet is simpler, and the operation of pressing the earphone device by the user is more convenient.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
Disclosed are a sound production device and an electronic device. The sound production device comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises a yoke plate, a first magnetic circuit unit, and a second magnetic circuit unit; the first magnetic circuit unit is provided with a first magnetic gap; the second magnetic circuit unit is arranged on the peripheral side of part of the first magnetic circuit unit. The vibration system comprises a first vibration assembly and a second vibration assembly of which the vibration directions are perpendicular to each other, wherein the first vibration assembly comprises a first diaphragm and a first voice coil, and the first voice coil is arranged in the first magnetic gap; the second vibration assembly comprises a second diaphragm and a second voice coil, the second voice coil is a flat voice coil and has the central axis perpendicular to the second diaphragm, the second voice coil at least has a first wire segment and a second wire segment which are oppositely arranged, and the current directions in the first wire segment and the second wire segment are opposite. Magnetic induction lines of the second magnetic circuit unit at least partially pass through the first wire segment and the second wire segment in the vibration direction of the first vibration assembly, and the directions of the magnetic induction lines passing through the first wire segment and the second wire segment are opposite.
Disclosed in the present invention are a sound production module and an electronic device. The sound production module comprises a sound production unit and a module housing. The sound production unit is provided with a first vibration assembly and a second vibration assembly, the vibration direction of the first vibration assembly being disposed at an included angle to the vibration direction of the second vibration assembly; the module housing has an accommodating space, the sound production unit being disposed within the accommodating space, a rear sound cavity being formed between the sound production unit and the module housing, and the module housing having a sound outlet portion for transmitting sound waves of the first vibration assembly and the second vibration assembly to the outside. The present invention provides a sound production module capable of effectively widening the frequency band, and the sound production module has a good sound production effect.
Disclosed in the present invention are a sound-producing device, a sound-producing module and an electronic device. The sound-producing device comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises a yoke plate, a first magnetic circuit portion and a second magnetic circuit portion, the first magnetic circuit portion being provided with a first magnetic gap, and the second magnetic circuit portion being arranged around part of the first magnetic circuit portion. The vibration system comprises a first vibration assembly and a second vibration assembly which vibrate perpendicular to each other, wherein the first vibration assembly comprises a first diaphragm and a first voice coil, the first voice coil being arranged in the first magnetic gap; and the second vibration assembly comprises a second diaphragm and a second voice coil, the second voice coil being a flat voice coil and having a central axis perpendicular to the second diaphragm. The second voice coil is provided with at least a first wire segment and a second wire segment which are arranged opposite each other and have opposite current directions; at least some of the magnetic induction lines of the second magnetic circuit portion pass through the first wire segment and the second wire segment in the direction of vibration of the first vibration assembly; and the directions of the magnetic induction lines passing through the first wire segment and the second wire segment are opposite.
Disclosed are a sound generating module and an electronic device, the sound generating module including a sound generating unit, and the sound generating unit including a magnetic circuit system, a receiver unit and a speaker unit. The magnetic circuit system is provided with a first magnetic gap and a second magnetic gap; the receiver unit includes a first diaphragm and a first voice coil, the first diaphragm and the magnetic circuit system enclose to form a first rear cavity, the first voice coil is accommodated in the first rear cavity, one end of the first voice coil is coupled to the first diaphragm, and the other end of the first voice coil is inserted into the first magnetic gap; and the speaker unit includes a second diaphragm and a second voice coil, the second diaphragm and the magnetic circuit system enclose to form a second rear cavity.
The present invention relates to the technical field of electroacoustic transduction. Disclosed in the present invention are a sound production unit and an electronic device. The sound production unit comprises a housing and a magnetic circuit system, which is arranged in the housing and comprises a magnetically conductive yoke, a central magnetic portion and a side magnetic portion, wherein the central magnetic portion and the side magnetic portion are arranged on the magnetically conductive yoke, and the side magnetic portion is arranged on an outer side of the central magnetic portion; the central magnetic portion comprises central magnetic steel and a central magnetically conductive plate, with two opposite sides of the central magnetic steel being respectively connected to the central magnetically conductive plate and the magnetically conductive yoke; the side magnetic portion comprises side magnetic steel and a side magnetically conductive plate, with two opposite sides of the side magnetic steel being respectively connected to the side magnetically conductive plate and the magnetically conductive yoke; the central magnetically conductive plate and/or the side magnetically conductive plate are/is made of a cobalt alloy material; and the magnetically conductive yoke is also made of a cobalt alloy material. A thinned design of the sound production unit of the present invention is realized, and the magnetic induction intensity of the magnetic circuit system is also effectively improved, thereby increasing the BL value, and thus the acoustic performance requirement of the sound production unit can be met.
The present invention relates to the technical field of electro-acoustic transduction, and disclosed in the present invention are a sound generation unit and an electronic device. The sound generation unit comprises a housing and a magnetic circuit system, wherein at least part of the housing is formed of a cobalt alloy material; the magnetic circuit system is arranged in the housing and comprises a magnetic yoke, a central magnetic portion and a peripheral magnetic portion; the central magnetic portion and the peripheral magnetic portion are both arranged in the magnetic yoke, and the peripheral magnetic portion is arranged on an outer side of the central magnetic portion; and the peripheral magnetic portion is connected to the housing. The present invention aims to provide a sound generation unit that meets the requirements of slim design and acoustic performance. The sound generation unit effectively increases the magnetic induction intensity of the magnetic circuit system while having the slim design, thereby improving the BL value, and meeting the requirements of the acoustic performance of the sound generation unit.
The present invention relates to the technical field of head-mounted devices. Disclosed are an image processing method and apparatus for a modular head-mounted device, and a device and a medium. The method is applied to a head-mounted display of a modular head-mounted device, and comprises: acquiring a notification time, wherein the notification time is located between the start time and end time of a current image data frame; when the notification time arrives, reading part of the current image data frame from a cache; and notifying a communication unit of sending part of the current image data frame to a calculation unit. The image processing method for a modular head-mounted device provided in the embodiments of the present invention can alleviate the problem of display lagging of the head-mounted display of the modular head-mounted device.
An interaction method and apparatus for a split type head-mounted device, a device and a medium, relating to the field of head-mounted technologies. The split type head-mounted device comprises a control device and at least one head-mounted display. The method is applied to any head-mounted display, and comprises: receiving first demand information input by a wearer of the head-mounted display (S1100); according to the first demand information and a device identifier of the head-mounted display, generating second demand information (S1200); on the basis of a communication connection between a control device and the head-mounted display, sending the second demand information to the control device (S1300); on the basis of the communication connection, receiving output content information sent by the control device on the basis of the second demand information; and outputting the output content information (S1400). The head-mounted display does not need to be provided with a large number of data computing units, thus greatly reducing the weight of the head-mounted display, and achieving a thin and lightweight design.
The present invention relates to the technical field of vibration generators, and relates to a linear resonant actuator and an electronic device. The linear resonant actuator comprises a housing, a vibrator assembly accommodated in the housing, and a stator assembly and an electromagnetic damping member fixedly connected to the housing and used to drive the vibrator assembly to vibrate. The vibrator assembly comprises a magnetic circuit system, and the magnetic circuit system comprises at least two pieces of side magnetic steel and at least one piece of central magnetic steel. The magnetization directions of two adjacent pieces of side magnetic steel are opposite to each other and perpendicular to a vibration direction. The central magnetic steel is sandwiched between the two adjacent pieces of side magnetic steel. In a first direction, the thickness of the central magnetic steel is less than the thicknesses of the pieces of side magnetic steel, and the center of gravity of the central magnetic steel is further away from the electromagnetic damping member than the centers of gravity of the pieces of side magnetic steel. The magnetization direction of the central magnetic steel is parallel to the vibration direction, and the polarities of the central magnetic steel and end portions of the two adjacent pieces of side magnetic steel close to each other are the same. According to the structure, not only can a driving force of the actuator be increased, but also the magnetic field strength on the side of the electromagnetic damping member can be maintained.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
F16F 15/03 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using electromagnetic means
A wearable device is disclosed, which comprising: a device body (100) provided with a controller; two straps, ends of the two straps are connected to two ends of the device body (100) respectively, and other ends of the two straps are connected to each other and are partially overlapped; a length measurement mechanism comprising a detection part and a color sensor respectively provided on the two straps, the color sensor is electrically connected to the controller, and a color of the detection part identified by the color sensor represents the overlapping length between the two straps; and a tightness adjustment mechanism provided on the straps, the overlapping length between the two straps are adjusted by the tightness adjustment mechanism, so as to adjust a tightness of the wearable device, therefore providing the wearable device capable of more accurately adjusting the tightness.
Disclosed are a wearable device, a signal processing method and a wearable system, the wearable device includes a receiving electrode and a control circuit of the wearable device. The receiving electrode can receive an excitation signal sent by a transmitting wearable device through the skin of the user. The control circuit of the wearable device is used to obtain the present skin impedance of the user through the receiving electrode and adjust the gain of the excitation signal; and when the excitation signal is received, the excitation signal is amplified based on the adjusted gain to determine the present click position of the user.
Some embodiments of the present disclosure disclose a regulation and control method and apparatus for a Virtual Reality (VR) device, a VR device and system, and a storage medium. The method includes: respectively obtaining a first corresponding relationship and a second corresponding relationship by fitting based on a plurality of pre-obtained data combinations; obtaining a current lens spacing, and obtaining a first field of view according to the first corresponding relationship, wherein the first field of view is a field of view corresponding to the current lens spacing; adjusting a field angle of a rendering scene to be equal to the first field of view; and obtaining a first visible area according to the second corresponding relationship, and adjusting a display area of a display screen to be completely located in the first visible area.
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
G02B 23/18 - HousingsCapsMountingsSupports, e.g. with counterweight for binocular arrangements
33.
WRIST-WORN DEVICE AND AIR PRESSURE ADJUSTMENT METHOD, APPARATUS AND SYSTEM THEREOF
Disclosed is a wrist-worn device and air pressure adjustment method, apparatus and system thereof. The method includes: controlling a speaker of the wrist-worn device to emit a first sound (S110); receiving a sound signal picked up by a microphone, and analyzing the sound signal to obtain a corresponding amplitude value (S120); and determining whether the amplitude value is less than a preset amplitude threshold (S130), and if so, performing pressure relief process of a rear cavity of the speaker, so that the rear cavity of the speaker maintains air pressure balance (S140), thereby ensuring that the speaker can operate normally, and is advantageous in improving the user experience.
H04R 1/38 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
The present invention relates to the technical field of electronic devices, and in particular to a force feedback device and a gamepad. The first aspect of the present invention provides a force feedback device. The force feedback device comprises a housing, a transmission assembly, and a magnetic induction assembly; the transmission assembly comprises a first transmission member and a second transmission member; the second transmission member is arranged in the housing; at least part of the first transmission member is arranged in the housing and is in threaded transmission with the second transmission member, and at least the other part of the first transmission member is provided with a pressing portion; the magnetic induction assembly comprises a magnetic member and a magnetic induction member; the magnetic member has a cylindrical structure and is coaxial with the first transmission member; the magnetic member is arranged on the first transmission member and can move along with the first transmission member; and the magnetic induction member is arranged on the housing and is used for detecting the position of the magnetic member. According to the force feedback device of the present invention, the axial position change of the magnetic member can be determined on the basis of the magnetic field intensity change detected by the magnetic induction member, thereby determining the axial movement position of the first transmission member.
The present invention relates to the technical field of head-mounted devices. Disclosed are a display method and apparatus for a head-mounted device, and a device, a system and a medium. The method is applied to a first electronic device, and comprises: acquiring service requirement information of at least one head-mounted device; for any head-mounted device, when it is determined on the basis of the service requirement information that the head-mounted device requires a first target service among first services and a second target service among second services, acquiring first image data of the first target service, and acquiring from a second electronic device second image data of the second target service; synthesizing the first image data and the second image data, so as to obtain synthesized image data; and sending the synthesized image data to the head-mounted device, such that the head-mounted device displays the synthesized image data, wherein the first service is a service that can be run on the first electronic device, and the second service is a service that can be run on the second electronic device. Therefore, the problem of image display being highly limited due to the fact that a head-mounted device can display only image data of a service running on a data processing unit can be solved.
Disclosed include a sound producing module, a sound eliminating method therefor, and smart glasses, wherein the sound producing module includes a housing and a sound producing unit. The housing includes a moving plate and a housing body having an accommodating cavity, the housing body is provided with a sound outlet opened thereon, and the moving plate is provided with a sound relief hole opened thereon. The sound producing unit is provided within the accommodating cavity, and separates the accommodating cavity into a front cavity in communication with the sound outlet and a rear cavity in communication with the sound relief hole. The moving plate is adapted to move relative to the housing body to change the position of the sound relief hole relative to the sound outlet.
A wearable device, including: a device body provided with a controller; two strap bodies, one end of each of the two strap bodies respectively being connected to either end of the device body, and the other end of each of the two strap bodies being connected to each other and enabling the two strap bodies to partially overlap; a tightness adjustment mechanism arranged on the strap bodies, wherein an overlapping length of the two strap bodies is changeable by adjusting the tightness adjustment mechanism so as to adjust the tightness of the wearable device; and a length measurement mechanism electrically connected to the controller and configured for measuring the overlapping length of the two strap bodies. Thus provided is a wearable device capable of more accurately adjusting tightness.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A44C 5/00 - BraceletsWrist-watch strapsFastenings for bracelets or wrist-watch straps
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using optical sensors, e.g. spectral photometrical oximeters
A61B 5/256 - Wearable electrodes, e.g. having straps or bands
Antennas, user equipment, windows and vehicles are described. Some embodiments may include an antenna including a radiation portion having a first mesh made of conductive material; and a feed portion having a second mesh made of conductive material; wherein a first mesh has a plurality of first mesh holes, and a second mesh has a plurality of second mesh holes; and wherein at least one of the second mesh holes is filled with conductive material. Other embodiments may be described and/or claimed.
Antennas, user equipment, windows and vehicles are described. Some embodiments may include an antenna a substrate; an antenna layer disposed on the substrate comprising a conductive mesh; a solder resist applied on the substrate and the antenna layer and containing a pigment having a tone matching with that of the antenna layer. Other embodiments may be described and/or claimed.
Provided in the present invention are a motor assembly and an electronic device. The motor assembly comprises a housing, a limiting structure arranged in the housing and at least one motor; each motor comprises a stator and two eccentric rotors, the stator comprising a coil, each eccentric rotor comprising a rotating shaft and an eccentric wheel mounted on the rotating shaft, and the eccentric wheel comprising a permanent magnet. The limiting structure is used for abutting against the two eccentric wheels to limit the rotation angle of each eccentric wheel, and each two eccentric wheels and the corresponding coil are arranged on a same plane. The motor assembly can generate asymmetric vibration, and the thickness of the motor assembly is reduced, thereby meeting manufacturing requirements for miniaturization and convenience.
The present disclosure discloses a glove and a hand gesture recognition method, device, and apparatus, which are applied to the technical field of intelligent wearable devices. The glove includes a fabric-based pressure sensor configured to collect sensor information corresponding to a pressure of respective glove knitting positions, wherein the glove knitting positions include finger joint positions; and a data processing and transmitting module connected to the fabric-based pressure sensor and configured to obtain pressure information corresponding to the sensor information and transmit the pressure information to the hand gesture recognition apparatus.
An intelligent display method and device, a computer program product and a storage medium. The method includes: when the wearable device is in an operating state, acquiring, at a preset acquisition frequency, swing amplitudes of an arm on which the wearable device is located; determining, at a preset detection frequency, a maximum value and a minimum value of the swing amplitudes that are acquired within a latest preset duration period from current moment; determining a duration period for which the minimum value is continuously greater than a first preset threshold value and the difference between the maximum value and the minimum value is continuously less than or equal to a second preset threshold value; when it is detected that the duration period is greater than an exercise determination duration period, controlling a secondary screen of the wearable device to be displayed by lighting up.
A motor driving method and a processing device. The method comprises: a first processing device acquiring M data frames of an initial haptic signal, each data frame comprising initial waveform data at L sampling moments (S2100), M being a positive integer, and L being a positive integer; performing Fourier transform processing on each data frame to obtain a first amplitude and a first phase corresponding to each first frequency point in the data frame (S2200); compressing the first amplitudes and the first phases corresponding to the first frequency points in the data frames to obtain compressed data of the data frames (S2300); transmitting the compressed data of the data frames to a second processing device (S2400); the second processing device reconstructing the compressed data of the data frames to obtain reconstructed data of the data frames (S2500); generating a haptic signal on the basis of the reconstructed data of the data frames (S2600); and on the basis of the haptic signal, driving a motor to vibrate (S2700).
The present application discloses a temple connecting structure and a head-mounted display device. The temple connecting structure is used for connecting a temple and a frame. The temple connecting structure comprises a base, two mounts, and a clamping force structure; the mounts are rotatably connected to the base around a reference axis, the two mounts comprise a first mount and a second mount, the temple is correspondingly mounted on the first mount, and the frame is correspondingly mounted on the second mount; the clamping force structure is arranged between the base and the mounts, the clamping force structure can enable the temple to generate a clamping force, and in an outward turning process of the temple within a preset outward turning angle range, the amplitude fluctuation of the clamping force is kept within a preset percentage. According to the technical solution of the present application, the clamping force of the temple in a worn state is more stable, thereby improving the comfort of wearing the temple.
A glasses temple (52) connecting structure and a head-mounted display apparatus. The glasses temple (52) connecting structure comprises a base (10), two mounting supports (20), a sliding block (30) and an elastic member (40), wherein each of the two mounting supports (20) comprises a first support (21) and a second support (22), each mounting support (20) is provided with a meshing tooth portion (25), the two mounting supports (20) are rotated in a linked manner by means of meshing tooth portions (25), and at least one mounting support (20) is provided with a first pushing portion (23); the sliding block (30) is slidably arranged on the base (10) in the extension direction of a reference axis, the sliding block (30) is provided with a second pushing portion (31) corresponding to the first pushing portion (23), and the first pushing portion (23) slidably abuts against the second pushing portion (31); the elastic member (40) connects the sliding block (30) to the base (10) and can elastically deform in the extension direction of the reference axis; and during the outward turning of the glasses temple (52) from an opening position, the first pushing portion (23) abuts against the second pushing portion (31), so that the sliding block (30) moves in a direction away from the first pushing portion (23), and the elastic member (40) is put into an elastic deformation state.
Disclosed in the invention are a sound production apparatus and an electronic device. The sound production apparatus comprises a magnetic circuit system and a vibration system, wherein the magnetic circuit system has a first magnetic gap and a second magnetic gap; the vibration system comprises a first vibration assembly and a second vibration assembly; the first vibration assembly and the second vibration assembly are both opposite the magnetic circuit system; the first vibration assembly comprises a first diaphragm and a first voice coil, and one end of the first voice coil is suspended in the first magnetic gap; the second vibration assembly comprises a second diaphragm and a second voice coil, the second voice coil is a flat voice coil, and the second voice coil is arranged in the second magnetic gap; and the vibration direction of the first vibration assembly is arranged at an angle to the vibration direction of the second vibration assembly. The invention aims to provide a sound production apparatus in which vibration radiation surfaces are independent of each other and arranged at an angle. The sound production apparatus not only realizes multifunctional applications, but also effectively improves the sound production effect, and reduces the manufacturing costs.
A smart ring (100), the smart ring comprising a ring body (200), a driving device (500) and a contact portion (600), an inner ring opening (210) for wearing and an avoidance hole (220) in communication with the inner ring opening (210); the driving device (500) is arranged on the ring body (200); and the contact portion (600) is movably arranged in the avoidance hole (220), and the driving device (500) is used for controlling the degree of protrusion of the contact portion (600) relative to the avoidance hole (220) to adjust the size of the space of the inner ring opening (210), so as to adjust the wearing tightness of the smart ring (100). A user can change the size of the space of the inner ring opening (210) of the ring body (200), so that the smart ring (100) is adapted to the finger size of the user, thus improving the usage experience of the user, and making the smart ring (100) more practical.
Disclosed in the present invention are a motor driving method and a processing device. The method comprises: a first processing device acquiring M data frames of an initial tactile signal, wherein each data frame comprises initial waveform data at L sampling moments, M is a positive integer, and L is a positive integer; performing Fourier transform processing on the data frames to obtain a first amplitude corresponding to a first frequency point in the data frames; encoding the first amplitude corresponding to the first frequency point in the data frames to obtain encoded data of the data frames; transmitting the encoded data of the data frames to a second processing device; the second processing device decoding the encoded data of the data frames to obtain reconstruction data of the data frames; generating a tactile driving signal of the data frames on the basis of the reconstruction data of the data frames; and on the basis of the tactile driving signal of the data frames, driving a motor to vibrate.
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
G06F 18/2131 - Feature extraction, e.g. by transforming the feature spaceSummarisationMappings, e.g. subspace methods based on a transform domain processing, e.g. wavelet transform
49.
MOTOR DRIVING METHOD, MOTOR DRIVING APPARATUS, AND ELECTRONIC DEVICE
Disclosed in the present invention are a motor driving method and apparatus, and an electronic device. The method comprises: obtaining M data frames of an audio signal, wherein each data frame comprises initial waveform data of L sampling moments, M is a positive integer, and L is a positive integer; traversing the M data frames, and performing Fourier transform processing on the currently traversed data frame to obtain first amplitudes corresponding to first frequency points in the currently traversed data frame; obtaining a reference amplitude of the currently traversed data frame on the basis of the first amplitudes corresponding to the first frequency points in the currently traversed data frame and first amplitudes corresponding to first frequency points in a previous data frame of the currently traversed data frame; performing low-pass filtering processing on a reference amplitude signal to obtain a tactile signal, wherein the reference amplitude signal is obtained on the basis of the reference amplitudes of the M data frames; generating a tactile driving signal on the basis of the tactile signal; and on the basis of the tactile driving signal, driving a motor to vibrate.
The present disclosure relates to an image optimization method and apparatus for an augmented reality device, an electronic device, and a system. The method comprises: acquiring acceleration data for the augmented reality device; determining motion state information of the wearer according to the acceleration data, wherein the motion state information comprises whether the wearer is in head-turning state or a head-stationary state; acquiring a target acceleration of the augmented reality device when the wearer is in the head-turning state; compensating a to-be-displayed image of the augmented reality device according to the target acceleration.
Disclosed in the present invention are a shooting module control method, a head-mounted display device and a storage medium. The method comprises: acquiring a first time when a display module of a head-mounted display device refreshes an image frame and a second time when a shooting module thereof outputs an image frame; on the basis of the first time and the second time, determining a frame rate adjustment parameter; and, on the basis of the frame rate adjustment parameter, controlling the shooting module to adjust the frame rate. The present invention aims to shorten the time required by the head-mounted display device for the process from image collection to image display, thereby reducing the display delay.
H04N 23/951 - Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
H04N 23/66 - Remote control of cameras or camera parts, e.g. by remote control devices
Provided in the present invention is a wearable exciter, comprising a wearing portion and a vibration generation portion, the vibration generation portion comprising a housing and a plurality of rotational drive members arranged in the housing, the housing being mounted on the wearing portion, and the rotational drive members being used for rotating to impact the housing so as to generate a sense of force. The wearing portion is used for being fixedly mounted on a specific position of a body and keeping close contact, e.g. being fixed to the arms, fingers, feet or waist of a human, and in other cases, can also be mounted on the body of an animal, e.g. mounted on the neck, waist or feet of a dog, and is in close contact with the body position, such that the sense of force generated by the vibration generation portion can be transmitted to the body via the wearing portion. The wearable exciter is fixedly mounted on a specific position of a body by means of the wearing portion, and the sense of force generated by the vibration generation portion can be transmitted to a specific position of the body via the wearing portion, thereby making the hands free, facilitating better use, and expanding the application scenarios of exciters.
A61H 23/02 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms with electric or magnetic drive
B06B 1/16 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
53.
METHOD AND APPARATUS FOR PROVIDING REQUIREMENT FUNCTION, AND DEVICE AND MEDIUM
The present invention relates to the technical field of head mounting. Disclosed are a method and apparatus for providing a requirement function, and a device and a medium. The method comprises: receiving display requirement information; when the display requirement information indicates a preset display requirement, receiving a plurality of first sub-programs which can execute a first requirement function of a head-mounted device, wherein the first requirement function at least comprises a multi-device fusion function, and a control function for a streaming device of the head-mounted device; on the basis of the first sub-programs, generating first sub-function modules corresponding to the first requirement function; receiving a first input for selecting a target first sub-function module from among the first sub-function modules; and in response to the first input, providing an interface of the target first sub-function module and interface description information. By means of the method, a head-mounted device can provide for a user a service that meets requirements. That is, the head-mounted device can provide a personalized service for the user.
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
54.
INTERACTION CONTROL METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND MEDIUM
Disclosed in the present invention are an interaction control method and apparatus, and an electronic device and a medium. The method comprises: receiving a touch-control operation performed by a user; when there is a collision point between a virtual identifier and a first application in an application list, in response to the touch-control operation, creating a first virtual screen and a first window, running the first application on the first virtual screen, and rendering screen data of the first virtual screen to the first window; acquiring degree-of-freedom information of a head-mounted display device; and adjusting the first window on the basis of the degree-of-freedom information, and encode the screen data in the adjusted first window, and then sending same to the head-mounted display device for decoding and display.
G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
55.
IMAGE DISPLAY METHOD AND APPARATUS, AND HEAD-MOUNTED DEVICE AND MEDIUM
The present invention relates to the technical field of image processing. Disclosed are an image display method and apparatus, and a head-mounted device and a medium. The method comprises: acquiring original image data, and first pose data of a head-mounted device, wherein the first pose data is pose data of the head-mounted device at the moment when the original image data is acquired; on the basis of the original image data, generating images to be displayed; selecting a first target image from among the images to be displayed, wherein the first target image is an image having the same screen size as the head-mounted device within a visual range, and the size of the first target image is smaller than the sizes of the images to be displayed; displaying the first target image and acquiring second pose data, wherein the second pose data is pose data of the head-mounted device at the moment when the first target image is displayed; on the basis of the first pose data, the second pose data and the first target image, selecting a second target image from among the images to be displayed; and displaying the second target image. The method provides a new intermediate-frame generation technique that can replace an ATW function.
The present invention relates to the technical field of head mounting. Disclosed are a demand function providing method and apparatus, a device, and a medium. The method is applied to a control device for a head-mounted device, and comprises: receiving a plurality of first sub-programs capable of executing first demand functions of the control device, wherein the first demand functions at least comprise a multi-device fusion function and a control function for a streaming device of the head-mounted device; on the basis of the first sub-programs, generating first sub-function modules corresponding to the first demand functions; receiving a first input for selecting a target first sub-function module from among the first sub-function modules; and in response to the first input, providing an interface of the target first sub-function module and interface description information. By means of the method, a control device can provide a user with a service meeting a demand. That is, the control device can provide a user with a personalized service.
Disclosed in the present invention are a control method and apparatus, a head-mounted display device, and a medium. The method comprises: in the operation process of a desktop environment, receiving a switching instruction of switching from a first Activity of a first application to a second Activity of the first application, wherein a first virtual screen and a first canvas are created in the desktop environment, the first virtual screen runs the first Activity, and the first canvas renders texture information of the first virtual screen; in response to the switching instruction, acquiring identifier information of the second Activity; and when the identifier information of the second Activity indicates that a virtual screen needs to be created for the second Activity, creating a second virtual screen and a second canvas in the desktop environment, running the second Activity on the second virtual screen, and rendering texture information of the second virtual screen to the second canvas.
Disclosed in the present invention are a vibration sound production device, a vibration sound production module, and an electronic device. The vibration sound production device comprises a fixing assembly, a first vibration system and a second vibration system; the fixing assembly comprises a first housing and a magnetic circuit system fixed to the first housing, the first housing has an accommodating space, the magnetic circuit system is supported on the side of the first housing facing away from the accommodating space, and the magnetic circuit system has a magnetic gap; the first vibration system is arranged on the side of the magnetic circuit system facing away from the first housing, the first vibration system comprises a diaphragm assembly and a voice coil for driving the diaphragm assembly to vibrate, and the voice coil is suspended in the magnetic gap and drives the diaphragm assembly to vibrate in a first direction; the second vibration system is arranged in the accommodating space, the second vibration system comprises a vibrator assembly and elastic connecting pieces for connecting the vibrator assembly and the first housing, the vibrator assembly comprises a balancing weight and a driving coil arranged on the balancing weight, the driving coil is opposite to the magnetic circuit system and drives the vibrator assembly to vibrate in a second direction, and the second direction is perpendicular to the first direction.
Disclosed in the present invention are a vibration sound production device, a vibration sound production module and an electronic device. The vibration sound production device comprises a sound production unit, a first housing and a second vibration system, wherein the sound production unit comprises a first vibration system and a magnetic circuit system; the first housing is provided with an accommodating space, and the first housing comprises a top plate made of a non-magnetic material; the magnetic circuit system is supported on the side of the top plate away from the accommodating space, and the magnetic circuit system is provided with a magnetic gap; the first vibration system comprises a vibrating diaphragm assembly and a voice coil for driving the vibrating diaphragm assembly to vibrate, the voice coil being suspended in the magnetic gap and driving the vibrating diaphragm assembly to vibrate in a first direction; and the second vibration system is arranged in the accommodating space, and comprises a vibrator assembly and an elastic connector for connecting the vibrator assembly and the first housing, wherein the vibrator assembly comprises a counterweight and a driving coil arranged on the counterweight, the driving coil driving the vibrator assembly to vibrate in a second direction under the driving of the magnetic circuit system, with the second direction being perpendicular to the first direction.
An audio control method, a wearable device, and an electronic device. The audio control method is used for controlling the wearable device. The audio control method includes: providing an acoustic waveguide structure configured to implement a sound focusing function; acquiring an operation status of the acoustic waveguide structure, and generating a first control signal when the operation status of the acoustic waveguide structure is in an enabled state; and reducing a sound volume of the loudspeaker of the wearable device according to the first control signal.
The present invention relates to the technical field of intelligent helmets, and disclosed are a sound mixing control method, apparatus, and device, and a storage medium. The method comprises: acquiring current noise data, and when a decibel value of the current noise data is greater than a preset decibel threshold, reducing the gain of a noise monitoring device; acquiring target noise data by means of the noise monitoring device having the reduced gain; and performing sound mixing on the target noise data and current human voice data to obtain target sound-mixed data. In this way, after the current noise data is acquired, it is determined whether the decibel value of the current noise data is greater than the preset decibel threshold. If the decibel value of the current noise data is greater than the preset decibel threshold, the gain of the noise monitoring device is reduced, and then the noise monitoring device having the adjusted gain is used acquire the target noise data in real time, and then sound mixing is performed on the target noise data and the current human voice data, enabling a clearer human voice to be obtained, and improving the experience of a user.
The present disclosure provides a method and an apparatus for adjusting screen brightness of a head-mounted display device, and the head-mounted display device. The method includes: acquiring current pupil information of a wearer of the head-mounted display device and current ambient brightness information; determining a target screen brightness value based on the current ambient brightness information and the current pupil information; and adjusting the screen brightness according to the target screen brightness value.
The present invention relates to the technical field of smart helmets. Disclosed are a reverberation suppression method, apparatus and device, and a storage medium. The method comprises: acquiring the current sound leakage of an electroacoustic transduction device in a reverberation scenario; when the current sound leakage is greater than a preset sound leakage threshold, acquiring the current volume of the electroacoustic transduction device; and reducing the current volume of the electroacoustic transduction device. By means of the above method, after the current sound leakage of the electroacoustic transduction device in the reverberation scenario is acquired, whether the current sound leakage is greater than the preset sound leakage threshold is determined, and if so, the current volume of the electroacoustic transduction device is reduced, so that the efficiency and accuracy of suppressing reverberation in the reverberation scenario can be effectively improved, and the voice intelligibility can be improved, thus improving the user experience.
A lead screw structure (100), a force feedback apparatus (1000) and an operating handle. The lead screw structure (100) comprises a lead screw (1) and a sleeve (2) sleeved on the lead screw (1); a plurality of threaded fitting structures are formed between the sleeve (2) and the lead screw (1); at least one of the threaded fitting structures comprises a first threaded protrusion and a first threaded groove; two side surfaces of the first threaded protrusion are correspondingly fitted with two side wall surfaces of the first threaded groove, so as to form two fitting surface sets (3); the forces of friction of the two fitting surface sets (3) are not equal, so that the force of friction between the lead screw (1) and the sleeve (2) when moving in the same direction is different from the force of friction between the lead screw (1) and the sleeve (2) when moving in opposite directions, such that one of the two fitting surface sets (3) has relatively large resistance so that a force feedback apparatus (1000) provides relatively large resistance, and the other fitting surface set (3) has relatively small resistance so as to reduce the total frictional resistance between the lead screw (1) and the sleeve (2), reducing the energy loss of the force feedback apparatus (1000), thus facilitating improvement of the vibration feedback effect of the force feedback apparatus (1000) and avoiding insufficient vibration feedback of the force feedback apparatus (1000).
The present invention provides a vibration apparatus and an electronic device. The vibration apparatus comprises a first motor set and a second motor set. The first motor set and the second motor set each comprise two vibration motors. The two vibration motors of the first motor set are arranged in a stacked mode, and the two vibration motors of the second motor set are arranged in a stacked mode. The two vibration motors of the first motor set and the two vibration motors of the second motor set are located on the same horizontal plane in pairs. Each vibration motor comprises a stator, an eccentric rotor and a limiting member. The stator comprises a coil assembly, and the coil assembly forms a cavity. The eccentric rotor comprises a rotating shaft and an eccentric wheel sleeved on the rotating shaft. The eccentric wheel comprises a magnetic assembly, and the eccentric wheel is arranged in the cavity and can rotate in the cavity. The limiting member is used for limiting a rotation angle of the eccentric wheel. The vibration apparatus can generate asymmetric rotation, namely, anisotropic rotation.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
H02K 7/075 - Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
H02K 7/065 - Electromechanical oscillatorsVibrating magnetic drives
66.
VIBRATION ELECTRIC MOTOR ASSEMBLY AND ELECTRONIC DEVICE
Provided in the present invention are a vibration electric motor assembly and an electronic device. The vibration electric motor assembly comprises two horizontally-arranged vibration electric motors. Each vibration electric motor comprises a stator, an eccentric rotor and a limiting member, wherein the stator comprises a coil assembly, the coil assembly forming a cavity; the eccentric rotor comprises a rotating shaft and an eccentric wheel sleeved on the rotating shaft, the eccentric wheel comprising a magnetic assembly, and being arranged in the cavity and being capable of rotating in the cavity; and the limiting member is configured to limit the angle of rotation of the eccentric wheel. The vibration electric motor assembly is provided with two horizontal vibration electric motors, wherein each vibration electric motor comprises an eccentric rotor, the eccentric rotor comprises an eccentric wheel, and the eccentric wheel comprises a magnetic assembly, and is arranged in the cavity and can rotate in the cavity. Acceleration generated when the two eccentric rotors rotate and are braked upon coming into contact with the limiting members is asymmetrically distributed, and thus asymmetric vibration is generated when the vibration electric motor assembly operates.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
H02K 7/075 - Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
H02K 7/065 - Electromechanical oscillatorsVibrating magnetic drives
The present invention provides a rotary table motor assembly and an electronic device. The rotary table motor assembly comprises a limiting member and two horizontally-arranged rotary table motors, each rotary table motor comprises a stator and an eccentric mover, the stator comprises a coil assembly, the eccentric mover comprises a rotating shaft and an eccentric wheel, and the coil assembly is arranged at the top and/or bottom of the eccentric wheel; the eccentric wheel comprises a magnetic assembly rotatably mounted on the rotating shaft, and the limiting member is used for abutting against the two eccentric wheels so as to limit the rotation angle of each eccentric wheel. According to the rotary table motor assembly, vibration sensation can be generated by means of an improvement in the structure of the eccentric wheels, facilitating the increase of the rotating speed of the motors and the reduction of energy consumption; additionally, asymmetric vibration can be generated in the working process by providing two horizontally-arranged rotary table motors.
Provided in the present invention are a vibration device and an electronic apparatus. The vibration device comprises a first electric motor group and a second electric motor group, wherein each of the first electric motor group and the second electric motor group comprises two turntable electric motors; the four turntable electric motors are arranged in the horizontal direction, and each turntable electric motor comprises a stator, an eccentric rotor and a limiting member; each stator comprises a coil assembly; each eccentric rotor comprises a rotating shaft and an eccentric wheel; each coil assembly is arranged at the top and/or the bottom of the corresponding eccentric wheel; each eccentric wheel comprises a magnetic assembly, which is rotationally mounted on the corresponding rotating shaft; and each limiting member is used for limiting a rotation angle of the corresponding eccentric wheel. In the vibration device, the four turntable electric motors are arranged in the horizontal direction, and are divided into two groups, each group comprises two turntable electric motors, and the first electric motor group and the second electric motor group are separately controlled, so that asymmetric rotation, also known as anisotropic rotation, can be generated.
An audio processing method and apparatus, a device, and a computer-readable storage medium, relating to the technical field of audio processing. The audio processing method comprises: acquiring an input sound pickup signal (S100); detecting the input sound pickup signal, and identifying a wind noise frame in the input sound pickup signal (S200); and inputting the wind noise frame into a preset noise reduction model to obtain a noise reduction sound pickup signal corresponding to the wind noise frame, wherein the preset noise reduction model is obtained by training a generative adversarial network using a user speech vector, a noisy sample and a pure sample (S300). The method solves the technical problem that the suppression effect of the current pickup device on environmental noise is poor.
Provided in the present invention are a vibration motor assembly and an electronic device. The vibration motor assembly comprises a first motor set and a second motor set, wherein the first motor set and the second motor set each comprise two vibration motors, the four vibration motors being arranged along the same plane; each vibration motor comprises a stator, an eccentric rotor and a limiting member; the stator comprises a coil assembly, with a cavity being formed by means of the coil assembly; the eccentric rotor comprises a rotating shaft and an eccentric wheel sleeved on the rotating shaft, the eccentric wheel comprising a magnetic assembly, being arranged in the cavity and being capable of rotating therein; and the limiting member is configured to limit the rotation angle of the eccentric wheel. The first motor set and the second motor set of the vibration motor assembly are respectively controlled, such that asymmetric rotation, that is, anisotropic rotation, can be generated.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
H02K 7/075 - Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
H02K 7/065 - Electromechanical oscillatorsVibrating magnetic drives
The present invention provides a vibration device and an electronic apparatus. The vibration device comprises two electric vibration motors which are stacked in the vertical direction. Each electric vibration motor comprises a stator, an eccentric rotor and a limiting piece, wherein the stator comprises a coil assembly, and a cavity is formed in the coil assembly; the eccentric rotor comprises a rotating shaft and an eccentric wheel sleeved on the rotating shaft, the eccentric wheel comprising a magnetic assembly, and being arranged in the cavity and being rotatable in the cavity; and the limiting piece is configured for limiting the angle of rotation of the eccentric wheel. In the vibration device, two electric vibration motors in the horizontal direction are provided, and each electric vibration motor comprises an eccentric rotor, the eccentric rotor comprising an eccentric wheel, and the eccentric wheel comprising a magnetic assembly; accelerations produced by the two eccentric rotors during the processes of rotation and of being braked by the limiting piece are asymmetrically distributed, resulting in the vibration device producing asymmetric vibration during operation.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
H02K 7/075 - Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
H02K 7/065 - Electromechanical oscillatorsVibrating magnetic drives
A motor (100) and an electronic device. The motor (100) comprises a stator (2) and an eccentric mover (1); the stator (2) comprises a coil assembly, and the coil assembly forms a cavity; the eccentric mover (1) comprises a rotating shaft (12) and an eccentric wheel (11) sleeved on the rotating shaft (12), the eccentric wheel (11) comprises a magnetic assembly (112), and the eccentric wheel (11) is arranged in the cavity and can rotate in the cavity. When coils (21) are electrified, the eccentric wheel (11) can rotate under torque, the rotating center of the eccentric wheel (11) is the central axis of the rotating shaft (12), the eccentric wheel (11) is not a disc with uniform mass distribution, and therefore, the mass center and the rotating center of the eccentric wheel (11) are not at the same point. In this way, the eccentric mover (1) is of an eccentric structure, so that the eccentric mover can generate a vibration sense during rotation. Compared with the prior art which requires an additional eccentric block to be added to a rotating shaft, the motor (100) can generate a vibration sense by means of the improvement of the structure of the eccentric wheel (11), facilitating the increase of the rotating speed of the motor and the reduction of energy consumption.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
73.
SMART DEVICE CONTROL METHOD AND SYSTEM, ELECTRONIC DEVICE, AND STORAGE MEDIUM
The subject matter includes a smart device control method, comprising: receiving a device control instruction, and acquiring device distance information respectively between the first positioning device and each smart device, and between the second positioning device and each smart device: calculating a LOS deviation angle between a wearer of the head-mounted device and each of the smart devices based on the device distance information, wherein the LOS deviation angle is an angle between the wearer's direct LOS and a relative direction of the device, and the relative direction of the device is a direction of a line connecting a midpoint of a connection between the first positioning device and the second positioning device to the smart devices: and determining a smart device with a LOS deviation angle less than a pre-set value as a to-be-controlled device, and sending a device control instruction to the to-be-controlled device.
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations using radio waves
G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
74.
SHOOTING CALIBRATION METHOD, SYSTEM, EQUIPMENT AND STORAGE MEDIUM
Disclosed are a shooting calibration method, a system, an equipment and a storage medium. The shooting calibration method is applied to a shooting calibration system which includes an electronic equipment and a wearable equipment. The shooting calibration method includes: shooting, by the electronic equipment, a first target image, and sending the first target image to the wearable equipment; receiving, by the wearable equipment, the first target image sent by the electronic equipment; and in response to that the first target image does not overlap with a second target image observed through the wearable equipment, adjusting an image size parameter of the first target image, and returning to execute a step of sending the first target image to the wearable equipment until the first target image overlaps with the second target image, and obtaining a target adjustment parameter.
Disclosed are an electronic device housing including a casing and a seal, and an electronic device. The casing has an interior provided with an accommodating cavity configured to accommodate electronic device components, and a casing wall provided with a mounting cavity configured to mount the seal. The casing includes first and second through holes. The first and second through holes communicates the mounting cavity with the accommodating cavity and an outside, respectively. The seal includes a sealing part and a fixing part connected thereto. The fixing part is fixed to the casing wall, and the sealing part blocks the first through hole. The sealing part has elasticity. When pressure in the accommodating cavity is greater than that of the outside, at least part of the sealing part is separated from the first through hole, such that the accommodating cavity communicates with the mounting cavity to communicate with the outside.
The present disclosure provides a multifunctional earphone charging case configured with a charging case mode, a joystick mode and a mouse mode, and comprises: a case body; a charging module provided in the case body; a sensor module provided on the case body; a user inputting module provided on the case body; a main controller electrically connected to the charging module, the sensor module and the user inputting module respectively, the main controller is configured for controlling the charging module, the sensor module, and the user inputting module to work according to a mode selection signal triggered by a user, such that the multifunctional earphone charging case works in at least of the following modes: the charging case mode, the joystick mode, and/or the mouse mode.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
G06F 3/0338 - Pointing devices displaced or positioned by the userAccessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
Disclosed are a method for controlling a headphone mode, a headphone device, a head-mounted device and a storage medium. The method for controlling the headphone mode includes the following steps: receiving image data sent by a head-mounted device, where the head-mounted device is configured to obtain the image data by capturing external environment by an image sensor on the head-mounted device; analyzing the received image data, and detecting whether the external environment meets a first target condition, where the first target condition is that a target object exists in the external environment or that the target object in a target state exists in the external environment; and in response to determining that the external environment meets the first target condition, turning on a transparent mode.
Disclosed are a circuit board with a capability of suppressing conduction failure caused by undesirable flux, an electronic device including the circuit board, and a method for forming the circuit board are provided. The circuit board includes a base; a conductive circuit pattern formed on a surface of the base; and a concaved area formed in the base, wherein the concaved area recesses from the surface of the base and is joined to the conductive circuit pattern. With the proposed circuit board, the flux flow is managed and prevented from intruding into the conductive area of the circuit pattern.
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
Disclosed are an antenna feeding structure and an electronic device. The antenna feeding structure includes: a first conductor, electrically coupled to a part of an antenna, where the part of the antenna is located at a housing of an electronic device; a second conductor, electrically coupled to radio-frequency circuitry on a circuit board, where the second conductor is located on a part of the circuit board, and the part of the circuit board is enclosed in the housing; and an isolating layer, located between the first conductor and the second conductor, where the first conductor is isolated from the second conductor via the isolating layer. The antenna feeding structure is more robust to external impact and more tolerant for misalignment between the antenna and the circuit board, and induces no compressive force against the antenna and the circuit board.
Head-mounted devices, antennas (100) and user equipment (10), may include an antenna(100) disposed proximate to a module(300) of a head-mounted device including non-electrically conductive material.
A hinge structure of smart glasses is provided, comprising several hinge frames provided along a pre-set direction, adjacent hinge frames are hinged by a hinged shaft; the hinged shaft is provided with a reset assembly, and after the hinge frame at one end swings to a pre-set angle toward a pre-set outward flipping direction relative to the hinge frame at the other end, the reset assembly provides a reset force to the hinge frame, so that the corresponding hinge frame has a motion tendency opposite to the pre-set outward flipping direction; the hinged shaft is provided with a damping elastic piece, and the damping elastic piece presses against at least one hinge frame so as to provide a damping force thereto when the corresponding hinge frame swings.
Disclosed are a method and an apparatus for processing a sound signal, an audio device and a storage medium. The method including: determining a current array state of the microphone array, the current array state represents whether a microphone in the microphone array is currently in a normal working state; and calling a target processing parameter in the current array state from signal processing parameters in multiple array states preset corresponding to a normal microphone to process a sound signal picked up by the normal microphone, the normal microphone is a microphone in a normal working state in the microphone array.
Disclosed are a gain processing method, device, and system for a hearing aid earphone, and a computer readable storage medium. The method comprises: acquiring raw user data of a user, the raw user data comprising initial hearing data; analyzing the raw user data by using a pre-established gain model to obtain gain data, the gain data comprising gain values respectively corresponding to different loudnesses under different frequencies; wherein, the gain model is established based on a plurality of user data historical samples collected in advance; and setting hearing assistive gain of the hearing assistive earphone based on the gain data.
Disclosed in the present disclosure are a motion data collection device, method and apparatus, and a wearable device. The motion data collection device comprises: a fixed portion configured to be fixed on a part of a moving object to be detected; and a collector movably mounted on the fixed portion, wherein the collector comprises a processor, a detection pin group connected to the processor, and a first identification position arranged on a surface of the collector and corresponding to the position of the detection pin group; the fixed portion is provided with a plurality of probe groups, and a plurality of second identification positions arranged corresponding to the positions of the probe groups in a one-to-one correspondence; after the collector is mounted on the fixed portion, when the detection pin group is connected to different probe groups, different detection signals are detected.
The present invention relates to the technical field of data processing. Disclosed are an audio signal processing method, apparatus and device, and a storage medium. The method comprises: acquiring an audio signal to be processed and a characteristic parameter of an electroacoustic transducer inputting said audio signal; when it is determined that the type of said audio signal is a preset signal type, calculating a distortion degree value of the electroacoustic transducer according to the characteristic parameter; acquiring the amplitude of said audio signal; and according to the amplitude and the distortion degree value, suppressing a noise signal in said audio signal. In this way, an audio signal to be processed is acquired, and then a determination as to whether the type of said audio signal is a preset signal type is made, if yes, a distortion degree value of an electroacoustic transducer is calculated, and then a noise signal in said audio signal is suppressed according to the distortion degree value in combination with the amplitude, thereby effectively suppressing the noise signal in the audio signal, and further improving the sound playback quality.
University of Central Florida Research Foundation, Inc. (USA)
Inventor
Zou, Junyu
Wu, Shin-Tson
Li, Kun
Abstract
An optical display system and an electronic device are disclosed. The optical display system comprises: a controllable optical image-generating display apparatus, generating circularly polarized image output; a beam scanning unit, adjusting a direction of the circularly polarized image output; an exit pupil steering apparatus, including diffractive liquid crystal lenses, each of which focuses the circularly polarized image output of one circular polarization state to a distinct focus point and let light with the other circular polarization state pass directly through; and an eye-tracking apparatus, detecting position information of a viewer's eye pupil and providing the position information to the beam scanning unit. The beam scanning unit adjusts the direction of the circularly polarized image output according to the position information, so that the circularly polarized image output is diffracted by one of the diffractive liquid crystal lenses.
A vibration sound-producing unit (100), a vibration sound-producing module (200), and an electronic device. The vibration sound-producing unit (100) comprises a fixing assembly, a first vibration system (2), and a second vibration system (3), wherein the fixing assembly comprises a support (4) and a magnetic circuit system (1) fixed to the support (4), the magnetic circuit system (1) is provided with a magnetic gap (1a), the first vibration system (2) and the second vibration system (3) are arranged on two opposite sides of the fixing assembly, respectively, and are fixed at two opposite ends of the fixing assembly, respectively, the first vibration system (2) vibrates in a first direction, and the second vibration system (3) vibrates in a second direction perpendicular to the first direction; the second vibration system (3) comprises an elastic connector (31) and a vibrator assembly (32), two ends of the elastic connector (31) are connected to the vibrator assembly (32) and a second end of the fixing assembly, respectively, and the vibrator assembly (32) comprises a counterweight (321) and a driving coil (322) arranged on the counterweight (321); and the magnetic circuit system (1) and the driving coil (322) are correspondingly arranged to drive the vibrator assembly (32) to vibrate. The vibration sound-producing unit (100) has a simple and compact structure, can realize modularization and standardized design, and has high applicability.
Some embodiments of the present disclosure disclose a wrist-worn device, including a micro control unit, a distance sensor and a rotating shaft arranged on a side surface of the wrist-worn device, an outer circumferential surface of the rotating shaft is provided with a plurality of protrusions; wherein the distance sensor is configured to collect distance data and send the distance data to the micro control unit, and the distance data includes a distance between the distance sensor and the rotating shaft; and the micro control unit is configured to obtain distance changing information on a distance between the distance sensor and the rotating shaft during a preset time according to the distance data, and determine a rotation angle of the rotating shaft according to the distance changing information on the distance.
G06F 3/0362 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
G06F 1/16 - Constructional details or arrangements
90.
HEAD-MOUNTED DEVICE, AND FAR-FIELD MUFFLING METHOD, APPARATUS AND SYSTEM THEREFOR
The present disclosure provide a far-field muffling method for a head-mounted device, apparatus and system, which is applied to the head-mounted device. The head-mounted device comprises a first speaker, a second speaker, and further comprises a monitoring microphone. The method comprises: receiving a monitoring sound signal picked up by the monitoring microphone during operations of the first speaker and the second speaker; judging whether the monitoring sound signal satisfies a preset requirement, and if yes, ending; if not, determining a current first target compensation signal and a current second target compensation signal from preset various compensation signals; compensating the first speaker by using the first target compensation signal, compensating the second speaker by using the second target compensation signal, and returning to the receiving a monitoring sound signal picked up by the monitoring microphone.
A lens assembly of a wireless electronic device, comprising: a first lens, configured to provide a field of view (FOV) of a real world to an eye of a user, where the first lens has a first surface and a second surface that are opposite to each other; a first film disposed on the first surface, where the first film comprises a first antenna electrode, and the first antenna electrode is at least partially located within the FOV and serves at least a part of a first antenna of the wireless electronic device; and a frame, configured to support the first lens at a body of the user. A quality of wireless communication is improved.
Disclosed are a method of detecting earphone wearing, an earphone and a storage medium, and the present application belongs to the technical field of active noise cancellation (ANC). The earphone includes at least two capacitive sensors. The method of detecting earphone wearing includes the following steps: determining whether the earphone is in the wearing state; in response to that capacitance values of all the capacitive sensors are less than a corresponding initial threshold value, determining that the earphone falls out; and in response to that a capacitance value of at least one capacitive sensor is not less than the corresponding initial threshold value, determining that the earphone becomes loose.
G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
The present disclosure discloses a rotation control component, method, device and an electronic apparatus, the component comprises a housing, a rotation device, a magnetic parameter detection device and a preset number of magnets, wherein a target surface of the housing is provided with a groove for accommodating the rotation device, wherein the rotation device provided in the groove at least partially protrudes from the target surface, and a rotating axis of the rotation device is parallel to the target surface, wherein the magnets are arranged at intervals in a circumference direction of the rotation device, and the magnetic parameter detection device is provided in the housing at a position corresponding to the rotation device, for detecting magnetic parameters corresponding to respective target rotating positions where the rotation device is rotated to. The present disclosure uses the magnetic parameter detection device to detect changes of the magnetic parameters of the rotation device, which can detect the rotating positions corresponding to respective magnets in the rotation device, thereby achieving a rotating detection of the rotation device. Therefore, users can control the electronic apparatus by rotating the rotation device, and add a more stable and diverse human computer interaction mode to the electronic apparatus.
G05G 1/015 - Arrangements for indicating the position of a controlling member
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G05G 1/10 - Details, e.g. of discs, knobs, wheels or handles
G05G 5/05 - Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
Disclosed are a self-adaptive adjustment method of active noise cancellation (ANC) parameter, a device and a computer-readable storage medium. The method includes: obtaining frequency points of noise reduction headphone with energy loss and energy loss values of each frequency point, and determining a quantity of the frequency points with the energy loss values are greater than a first energy loss threshold; determining whether a sum of the energy loss values is greater than a second energy loss threshold, and determining whether the quantity of frequency points is greater than a preset frequency point quantity threshold.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
H03G 3/30 - Automatic control in amplifiers having semiconductor devices
A vibration and sound generation apparatus (100) and an electronic device. The vibration and sound generation apparatus (100) comprises a housing (1), a magnetic circuit system (2), a first vibration system (3), and a second vibration system (4). A central magnetic part (21) and a side magnetic part (22) are spaced apart to define a magnetic gap (2a). The central magnetic part (21) comprises a plurality of first sub-center magnets (211) distributed at intervals in a first direction. Two adjacent first sub-center magnets (211) have opposite magnetization directions. The first vibration system (3) and the second vibration system (4) are respectively arranged on two opposite sides of the magnetic circuit system (2). A voice coil (32) of the first vibration system (3) is inserted into the magnetic gap (2a). The second vibration system (4) comprises an elastic connecting member (41) and a vibrator assembly (42). The elastic connecting member (41) suspends the vibrator assembly (42) in a mounting space. The vibrator assembly (42) comprises driving coils (422). Each driving coil (422) is provided with two connecting edges (4221) arranged opposite to each other. In a second direction, the two connecting edges (4221) are respectively arranged opposite to two adjacent first sub-center magnets (211). The vibration and sound generation apparatus (100) has a simple and compact structure and good sound generation and vibration effects.
Disclosed are an operation control method of a headset, an operation control device of a headset, a ring headset, and a computer-readable storage medium. The method is applied to applied to a ring headset, and includes: in response to detecting that a user is wearing the ring headset, determining a wearing position where the user wears the ring headset; in response to determining that the wearing position is a user's finger, controlling the ring headset to operate a first working mode; or in response to determining that the wearing position is a user's ear, controlling the ring headset to operate a second working mode.
Disclosed is a touch detection and feedback system and method. The touch detection and feedback system includes a housing, an ultrasonic transmitting terminal, an ultrasonic receiving terminal, a feedback output element, and a main control unit, a mounting cavity is provided in the housing, and the mounting cavity is a closed space; the ultrasonic transmitting terminal, the ultrasonic receiving terminal, and the feedback output element are all provided in the mounting cavity; the ultrasonic transmitting terminal, the ultrasonic receiving terminal, and the feedback output element are electrically connected to the main control unit, separately.
Disclosed in some embodiments of the present disclosure is a method for adjusting the display brightness of a head-mounted display device. The method comprises: acquiring eye information of a wearer; acquiring data of the pupil diameter of a first eyeball according to the eye information; dividing a display area of a head-mounted display device into a first display area corresponding to the first eyeball and a second display area corresponding to a second eyeball according to the eye information; and calculating a corresponding first display brightness according to the data of the pupil diameter of the first eyeball, and adjusting the display brightness of the second display area to the first display brightness. By means of the method for adjusting the display brightness of a head-mounted display device, a change in the brightness for the eyes of a wearer can be accurately acquired, thereby guaranteeing the accuracy of brightness adjustment.
A sound production device, comprising a basket, a magnetic circuit system, a voice coil, a diaphragm, a conductive connecting member, and a conductive supporting piece. The magnetic circuit system is connected to one end of the basket; a magnetic gap is formed in the magnetic circuit system; a hollow structure is formed in the voice coil; the voice coil is provided with an outer surface facing away from one side of the hollow structure; the diaphragm is connected to the other end of the basket; one end of the voice coil is connected to the diaphragm, and the other end of the voice coil is suspended in the magnetic gap; the conductive connecting member is arranged on the outer surface; the conductive supporting piece is a planar supporting piece and is used for transmitting an electrical signal to the voice coil; the conductive supporting piece comprises a fixing portion, an elastic arm, and a welding portion which are connected in sequence; the fixing portion is connected to the voice coil by means of the conductive connecting member; the elastic arm extends in the circumferential direction of the voice coil; the welding portion is connected to the basket. The sound production device aims to improve the acoustic performance of existing sound production devices and prolong the service life.
The present disclosure provides a key detection method and system, the method comprises: collecting voltage values of a key during a period from pressing to releasing according to a predetermined frequency, to obtain a voltage data set corresponding to the key; performing a curve fitting on the voltage values in the voltage data set and time to obtain a first fitting curve; obtaining a time set in which a derivative of the first fitting curve is zero, and comparing the time set with a first predetermined set to obtain a first comparison result; obtaining a positive and negative derivative set of each element in the time set within a predetermined range based on the first comparison result, and comparing it with a second predetermined set to obtain a second comparison result; determining current state information of the key based on the first comparison result and the second comparison result.
