778results about "Transducer details" patented technology

A method of making an acoustic sensor includes forming or providing a mold having one or more grooves extending in a direction of the length of the mold to a distal end of the mold. The method also includes forming or depositing a structure having one or more piezoelectric layers over the top surface of the mold to define a beam with a proximal portion and a distal portion, the distal portion having a corrugated section including one or more grooves that correspond to the one or more grooves of the mold. The method also includes forming or applying an electrode to the proximal portion of the structure and releasing the structure from the mold to form one or more cantilever beams. The corrugated section inhibits bending of the corrugated section along the length of the distal portion of the structure when the acoustic sensor is subjected to sound pressure.

An electronic device includes a housing sidewall defining an opening and a display component, such as a display cover, disposed in the opening to form a gap between the housing sidewall and the display component. In at least one example, the cavity is defined by the sidewall and the display cover with the cavity in fluid communication with an external environment through the gap. In at least one example, an epoxy component at least partially defines the cavity and can be in direct contact with the housing sidewall.

The invention provides electronic equipment, relates to the technical field of electronic products, and is used for protecting a display panel in a display screen from being interfered by external water stains. The electronic equipment comprises a display screen and a middle frame, a first boss and a second boss are arranged on the inner circumferential surface of a frame, and a sound outlet channel is jointly formed among the display screen, the frame, the first boss and the second boss; the display panel comprises a first side surface, the first side surface comprises a first area, and the first area is an area, corresponding to the sound outlet channel, of the first side surface; a first colloid is arranged on the first area, a second colloid is arranged between the display screen and the first side wall face, a third colloid is arranged between the display screen and the second side wall face, a fourth colloid is arranged between the display screen and the inner circumferential face of the frame, one end of the first colloid is connected with the second colloid, and the other end of the first colloid is connected with the third colloid. The second colloid is connected with the fourth colloid, and the third colloid is connected with the fourth colloid.

The application discloses an improved loudspeaker and electronic equipment of ITH molecular sieve. The loudspeaker is filled with ITH molecular sieve in the back cavity; the ITH molecular sieve is composed of a skeleton and cations outside the skeleton, the skeleton comprises silicon dioxide and an oxide of a non-silicon element M, a Si / M molar ratio is at least above 80, preferably above 100; the ITH molecular sieve contains uniform micropores, the micropore size is 0.4nm to 0.55nm, and the micropore volume is 0.10 to 0.25cm 3 / g. The loudspeaker contains ITH molecular sieve in the back cavity, the acoustic compliance of the air in the back cavity is increased, and thus the performance of the loudspeaker in a low frequency band is improved.

A method for managing content displayed in a vehicle. At least one occupant in a vehicle consuming content is determined. Identification information identifying the at least one occupant is acquired. The at least one occupant exiting the vehicle is detected. Identification information identifying the at least one occupant, a content identifier (ID) of the content consumed by the at least one occupant, and a last position of the content at a time the at least one occupant exits the vehicle are saved. The at least one occupant re-entering the vehicle is detected. The content identified by the content ID is resumed at the last position of the content for the at least one occupant associated with the identification identifier.

The invention provides an MEMS device, which increases the displacement of a movable part, reduces the stress of the MEMS device, enables the MEMS device to be miniaturized, and improves the resonance frequency. The MEMS device is provided with a frame-shaped fixed part, a movable part arranged on the inner side of the fixed part in plan view, four torsion beams for supporting the movable part, driving beams which are respectively arranged relative to the torsion beams, one ends of the driving beams are connected with the torsion beams, and the other ends of the driving beams are connected with the inner edge of the fixed part, and driving sources arranged on the driving beams. Each of the drive beams is arranged to be point-symmetric with respect to the center of the movable part in plan view, and each of the drive beams has a region in which the width in a direction parallel to a first side connected to the inner edge gradually increases toward the first side in plan view. The movable part is provided with extension parts extending radially from the center in plan view, the number of the extension parts is the same as the number of the torsion beams, each extension part comprises an upper surface, a lower surface, one end surface and two side surfaces connected with the end surface, and each torsion beam is connected with two adjacent side surfaces included in different extension parts.

The present invention provides a sounding device having a frame, a vibration system, a magnetic circuit system, a front cover, a waterproof sealing ring and a waterproof and breathable spacer. The front cover includes a front cover body, a first through hole and a second through hole running through the front cover body, and a support wall of the front cover body. The waterproof and breathable spacer is fixed to the front cover body and completely covers the second through hole, the second through hole connects the front sound cavity with the back cavity. Compared with the related art, the sounding device of the to present invention is easy to assemble, has good waterproof performance, high reliability, and excellent acoustic performance.

The invention relates to a hearing aid (2) with a radio communication device (20) having an antenna (24) with two feed points (26) connected to a control unit (22). The antenna (24) has a first loop (28) extending between the two feed points (26) and a second loop (30) extending between the two feed points (26).

A MEMS acoustic sensing chip, a microphone, and an electronic device are disclosed in embodiments of the present disclosure. The MEMS acoustic sensing chip includes a substrate, a first diaphragm, a second diaphragm, a backplate, and a support structure, the substrate being provided with a back cavity; the first diaphragm, the second diaphragm, and the backplate are provided on one side of the substrate through the support structure, the first diaphragm and the second diaphragm are provided with an inner cavity therebetween, and the backplate is suspended in the inner cavity; the support structure is provided with a vent hole, the vent hole being in communication with the back cavity and being independent of the inner cavity; and at least one of the first diaphragm and the second diaphragm is provided with a release hole, which is in communication with the inner cavity.

One aspect of the utility model relates to a watch dial comprising an autonomous lighting device, the autonomous lighting device (3) comprises the following functional elements: at least one light emitting source (4), an autonomous power supply unit (21), and a control unit (7) used for managing the operation of the at least one light emitting source (4), the dial (2a, 2b) is formed by a plurality of assemblies (9a, 9b) through stacked layers (10, 11, 12, 13, 14), the plurality of layers (10, 11, 12, 13, 14) are connected together via stacked layers (10, 11, 12, 13, 14) and each comprise one or more functional elements of the autonomous lighting device (3).

Various ear-worn devices are provided. An ear-worn device can include a housing. The housing can include a microphone module and a body module. The microphone module can include a first microphone adjacent to a first microphone port. The microphone module can define a first housing inlet and a first acoustic channel. The first acoustic channel can include a first end at the first housing inlet and a second end at the first microphone port. The microphone module can be removably coupled to the body module.

An electronic device is provided. The electronic device includes a memory for storing instructions, a communication circuit, and at least one processor. The instructions cause the electronic device to allocate a first time interval for transmitting first audio data within an interval of a broadcast stream-based audio service, allocate a third time interval for an additional audio service related to the audio service within a second time interval remaining after excluding the first time interval within the interval, transmit first information related to the first time interval and second information related to the third time interval, transmit the first audio data in the first time interval, determine whether a first priority of the additional audio service is higher than a second priority of a communication task scheduled in the second time interval, and transmit second audio data related to the first audio data in the third time interval when the first priority of the additional audio service is higher than the second priority.

A hearing device, in particular a hearing aid, includes a multi-feed antenna apparatus with at least two antenna branches. Each antenna branch is connected to a line. The lines are interconnected at a connection point and are routed through a filter and a first matching network to a transceiver circuit. A second matching network is assigned to each antenna branch for a phase shift and matching. A multi-feed antenna apparatus for the hearing device is also provided.

This invention relates to single-walled carbon nanotube films and methods and apparatus for their manufacture. This document discloses apparatus and methods for manufacturing large-diameter single-walled carbon nanotube films. Advantageously, large-diameter single-walled carbon nanotube films can be used as transparent electrodes with high transparency and low sheet resistance. In one embodiment, the method includes: supplying a support of carbon monoxide and a catalyst precursor through a first inlet at a temperature lower than the reaction temperature of the catalyst precursor; supplying heated carbon monoxide through a second inlet, such that the heated carbon monoxide is mixed with the support of carbon monoxide and the catalyst to form an aerosol; and reacting the aerosol in a reaction chamber to form a composite aerosol of single-walled carbon nanotubes, metal nanoparticles, carbon monoxide, and carbon dioxide. In this embodiment, the heated carbon monoxide heats the catalyst precursor, which reacts with the carbon monoxide to form carbon nanotubes.

A head worn device configured to be worn by a user is provided. The head worn device includes at least one microphone and processing circuitry configured to receive an audio signal detected by the at least one microphone, wherein the audio signal represents the user's speech. The processing circuitry is configured to evaluate the received audio signal and determine at least one intent based on the received audio signal. The evaluating and determining are performed by the processing circuitry. The processing circuitry is configured to perform at least one action based on the determined intent.

This application provides a display device and its audio output method. The display device includes a display screen, a first speaker, and a second speaker. The first speaker is located behind the display screen, and its sound emission direction is towards the upper rear of the display device. The second speaker's sound emission direction is towards the front of the display device or towards the lower part of the display device. The first speaker and the second speaker emit sound asynchronously. The display device of this application has good stereo sound effects.

A system is provided.SOLUTION: The system includes a sound recognition means for collecting a sound datum, a communication means for transmitting the sound datum to a server, a sound recognition engine means for converting the sound datum into a text in the server, a generation AI means for summarizing a sound recognition result, a speech synthesis means for converting the summarized text datum into the sound datum, and a bone-conduction means for transmitting the sound datum to a wearer by bone-conduction.SELECTED DRAWING: Figure 1

An electrical current generating device having a sound wave force magnifying structure in the form of a force transmission pin which is longitudinally slidable within a body bore and having a proximal end of a large area for receiving sound wave forces, and having a greatly reduced area distal end which bears on a piezoelectric element.

Systems and methods spatial audio rendering using spatialization shaders in accordance with embodiments of the invention are illustrated. One embodiment includes a spatial audio system, including a plurality of loudspeakers, where each loudspeaker includes at least one driver, a processor, and a memory containing a spatial audio rendering application, where the spatial audio rendering application directs the processor to obtain a plurality of audio stems, obtain a position and a rotation of each loudspeaker in the plurality of loudspeakers, obtain a relative location for each audio stem to be rendered, calculate a plurality of tuning parameters for each loudspeaker in the plurality of loudspeakers, provide the plurality of tuning parameters, the position and rotation of each loudspeaker to a spatialization shader, generate a driver feed for each driver in the plurality of loudspeakers using the spatialization shader, and render each audio stem at their respective location using the loudspeakers.

A MEMS device comprises a housing with an interior volume, wherein the housing comprises an access port to the interior volume; a MEMS sound transducer in the housing, and a mechanical barrier structure having a plate element which is fixed by means of elastic spacers to a carrier and overlaps the access port, and providing a ventilation path passing a boundary region of the plate element, wherein a clearance of the ventilation path is set by the distance of the boundary region of the plate element to the housing or by the distance of the boundary region of the plate element to a blocking structure which opposes the boundary region of the plate element.

The utility model relates to the technical field of bone conduction product testing, in particular to bone conduction product testing equipment which comprises a bone conduction sensor device, a sound transmission and sound leakage prevention structure installed on the bone conduction sensor device, and a bone conduction receiver used in cooperation with the sound transmission and sound leakage prevention structure. The sound transmission and sound leakage prevention structure comprises a profiling receiver side part and a profiling receiver bottom part, and the profiling receiver side part is connected to the periphery of the profiling receiver bottom part in a surrounding mode to form a concave open cavity. A profiling sensor bottom is arranged at the bottom of the profiling receiver bottom, and the profiling sensor bottom and the profiling receiver bottom are oppositely arranged; according to the utility model, through the arrangement of the sound transmission and sound leakage prevention structure, when the bone conduction sensor device tests the bone conduction receiver, the vibration of the vibration transmission surface of the bone conduction receiver is transmitted to the bone conduction sensor protruding part of the bone conduction sensor device, and sound leakage between the vibration transmission surface of the bone conduction receiver and the bone conduction sensor protruding part is blocked; and the stability of test work is ensured.

Provided is an apparatus for stimulating the vestibular system of a user. The apparatus includes a first stimulator capable of stimulating the vestibular system by multiple different types of vestibular stimulation and a second stimulator capable of stimulating the vestibular system by multiple different types of vestibular stimulation. Additionally, the apparatus includes control circuitry configured to determine a respective stimulation effectiveness for each of the different types of vestibular stimulation. The control circuitry is further configured to determine a respective weight for the different types of vestibular stimulation based on the determined stimulation effectivenesses. In addition, the control circuitry is configured to control the first stimulator and the second stimulator to stimulate the vestibular system by one or more of the different types of vestibular stimulation according to the determined weights.

The utility model discloses an acoustical preamplifier, which relates to the related technical field of amplifiers, and comprises a preamplifier and a windshield, the preamplifier is connected with a microphone, the preamplifier comprises a shell, an inner cavity penetrating up and down is arranged in the shell, a probe is arranged in the inner cavity, and the probe is connected with the windshield. The inner wall of the inner cavity is provided with a shielding cylinder capable of moving up and down, the shielding cylinder sleeves the outer side of the probe, the shielding cylinder is movably connected with the inner wall of the inner cavity, and the upper end of the shielding cylinder abuts against the microphone; according to the utility model, the shielding cylinder is movably installed in the inner cavity, the shielding cylinder is easy to store, the shielding cylinder can stretch out conveniently when the shielding cylinder needs to be used, the probe can be protected, signals can be protected from being interfered, and the spring in the inner cavity can control the shielding cylinder to pop out autonomously, so that the probe can be better protected.

Various embodiments are directed to an ear-worn electronic device configured to be worn by a wearer. The device includes an enclosure configured to be supported by or in an ear of the wearer. Electronic circuitry is disposed in the enclosure and includes a wireless transceiver. An antenna is situated in or on the enclosure and coupled to the wireless transceiver. The antenna includes a first antenna element, a second antenna element, and a chip antenna operably coupled to the first and second antenna elements.

The utility model relates to the technical field of Bluetooth earphone batteries, in particular to a Bluetooth earphone battery convenient to install. According to the technical scheme, the battery comprises a mounting frame, a fixing plate and a battery body, a mounting groove is formed in the mounting frame, the fixing plate is fixed to the inner wall of the mounting groove, an outer rod is fixed to the front surface of the fixing plate, a fixing groove is formed in the outer rod, an inner rod is movably inserted into the fixing groove, and a spring is fixed into the fixing groove; the spring is fixed to the outer end face of one side of the inner rod, a clamping plate is mounted on the front surface of the mounting groove and made of soft metal, the battery body is inserted into the mounting groove, outer plates are fixed to the outer end faces of the two sides of the mounting frame, and fixing bolts are in threaded connection to the front surfaces of the outer plates. An inner plate is movably inserted into the outer end face of one side of the outer plate, a supporting plate is fixed to the outer end face of one side of the inner plate, and a fixing plate is fixed to the rear surface of the supporting plate. The battery body is convenient to install.

A haptic feedback method comprising the steps of providing a wearable haptic feedback device comprising one or more bone‐conduction haptic feedback units and driving the one or more bone conduction ha

A heat dissipation module, including vapor chamber and sound-producing device attached and fixed to vapor chamber; vapor chamber includes vapor chamber body having receiving cavity, capillary wick in receiving cavity, and opening on side of vapor chamber body close to sound-producing device; opening connects receiving cavity with outside, sound-producing device is supported by vapor chamber body and fixed to opening to seal opening, and receiving cavity is filled with heat dissipation liquid; sound-producing device includes magnetic circuit unit spaced apart from vapor chamber, and first vibration unit and second vibration unit on opposite sides of magnetic circuit unit. Magnetic circuit unit drives first vibration unit and second vibration unit to vibrate; sound-producing device includes first frame, one end of first frame is fixed to side of magnetic circuit unit close to vapor chamber, and another end of first frame is supported by vapor chamber and arranged around opening.

A display device includes a display panel configured to display an image, and a film actuator configured to vibrate the display panel, wherein the film actuator includes a plurality of vibration generation devices configured with a composite film, wherein the plurality of vibration generation devices are configured to have different expansion coefficients, and wherein the composite film includes a plurality of vibration portions configured to have piezoelectric properties, and a plurality of expansion portions configured to have flexibility and to overlap the plurality of vibration portions.