528results about "Transducer details" patented technology

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.

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).

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.

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.

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.

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 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.

The tubular base portion (12) is interposed between an inner pipe (X1) and an outer pipe (X2) which are fitted together with each other, and has a through hole (32) on its outer peripheral surface. The tubular base portion is composed of a first outer fitting portion which is fitted onto the outer pipe, the inner peripheral surface of which faces the outer peripheral surface of the outer pipe with a first predetermined clearance, and a second outer fitting portion which is fitted onto the inner pipe, the inner peripheral surface of which faces the outer peripheral surface of the inner pipe with a second predetermined clearance. The tubular base portion further comprises a pressing load receiving portion (25), a pressing body (14) which is provided with a pressing end surface capable of being pressed against the outer peripheral surface of the inner pipe, and a pressing member which is pressed against the pressing load receiving portion. and a pressing load application section (16) that applies a pressing load, and after adjusting the fitting position of the inner tube relative to the outer tube, the pressing load application section presses a pressing body toward the inner tube via a pressing load receiving surface through a through hole in a tubular base section that is set at a desired rotational position centered on the longitudinal direction of the inner and outer tubes, thereby bringing the pressing end face into surface contact with the outer peripheral surface of the inner tube, and pressing and fixing the outer peripheral surface of the inner tube opposite to the surface contact section of the pressing end face with the inner tube against the inner peripheral surface of the outer tube or the inner peripheral surface of the tubular base section.

A reactive filter assembly comprising a reactive filter acoustically coupled to a transducer operable to generate an audio frequency by air nonlinearity demodulation of an ultrasonic frequency, wherein the reactive filter has a number of acoustic passes set to provide the transducer with a radiation impedance to improve the transducer efficiency.

The application provides an earphone electric quantity monitoring system and an earphone device, and belongs to the technical field of electronic circuits. The first electric quantity of the first battery in the charging bin cover body is detected in real time through the first electric quantity detection module. The second electric quantity of the second battery in the charging bin base is detected in real time through the second electric quantity detection module. The second electric quantity detection module is connected with the first electric quantity detection module. When the switch cover state between the charging bin cover body and the charging bin base is the closed cover state, the second electric quantity detection module communicates with the first electric quantity detection module to obtain the first electric quantity of the first battery. Through the earphone electric quantity monitoring system, the electric quantity synchronization of the first electric quantity and the second electric quantity can be realized, the whole machine electric quantity information can be obtained according to the first electric quantity and the second electric quantity, the electric quantity detection accuracy is improved, and the problem of low electric quantity detection accuracy of the traditional earphone device is solved.

Sensor and / or sound detection device with: a sensing device (10) with a sensitive surface (12) which is designed such that a change in at least one physical quantity and / or at least one chemical concentration at the sensitive surface (12) causes a change in a sensor signal output by or tapped from the sensing device (10); wherein at least one access channel (18) in the sensor and / or sound detection device is designed such that, at least as long as the at least one access channel (18) is open, air and / or at least one gas can be transferred through the at least one access channel (18) between a spatial environment of the sensor and / or sound detection device and the sensitive surface (12); characterized by at least one at least partially water-impermeable membrane (20) with an inner membrane surface (20a) oriented towards the at least one associated access channel (18), wherein at least one contact surface (22) of the respective membrane (20) located on the respective inner membrane surface (20a) is pressed against at least one associated membrane contact surface (24) on the at least one associated access channel (18) by deformation of the respective membrane (20) when a membrane outer surface (20b) of the respective membrane (20) or a cover layer (40) located on the respective membrane outer surface (20b) is wetted with at least a minimum quantity of liquid, such that the at least one associated access channel (18) is sealed liquid-tight, wherein the at least one membrane (20) is designed such that, if the respective membrane outer surface (20b) or cover layer (40) is not wetted,the respective membrane (20) is in its initial position and the at least one associated access channel (18) is kept open via at least one open intermediate gap between the at least one contact surface (22) of the respective membrane (20) in its initial position and the at least one associated membrane contact surface (24) on the at least one associated access channel (18).

To provide appropriate drive assistance via a sound notification dependent on a surrounding situation.SOLUTION: A drive assistance device according to an embodiment comprises: a recognition unit that recognizes a surrounding situation of a mobile object; a determination unit that determines on the basis of the surrounding situation whether or not an operator of the mobile object is prompted to perform a steering operation and determines whether there is a possibility that a risk occurs with the mobile body; and a notification control unit that causes a speaker to output, on the basis of a determination result of the determination unit, a guiding sound that prompts the operator of the mobile object for a steering operation and an alarm sound for the risk. The notification control unit outputs the guiding sound and the alarm sound in different manners.SELECTED DRAWING: Figure 1

The utility model discloses a multifunctional intelligent wireless charging device which comprises a base, a table top installed on the base, a clock assembly arranged on the table top, an electric control assembly arranged in the base, and a mobile phone wireless charging assembly arranged in the clock assembly, so that a mobile phone can be placed on the clock assembly to be charged. The electric control assembly is connected with the clock assembly and the mobile phone wireless charging assembly; according to the utility model, the mobile phone wireless charging assembly and the clock assembly are integrally designed, so that the problem that a magnetic field interferes with a clock when the mobile phone wireless charging assembly is used is solved, and the clock function of the intelligent wireless charging equipment is added; the watch wireless charging assembly or the earphone wireless charging assembly can be automatically retracted, so that the multifunctional intelligent wireless charging device is simple, reasonable in design and powerful in function, solves the single problem that wireless charging devices in the existing market can only provide wireless charging for mobile phones, and meets diversified use scenes of users.

The application discloses a bone conduction speech conversion method based on spectral envelope mapping, comprising the following steps: pre-processing and linear prediction analysis of the bone conduction speech signal, and calculating the LP filter coefficient; mapping the LSF coefficient of the air conduction speech signal corresponding to the bone conduction speech signal by using the trained neural network; controlling the minimum error of the original bone conduction speech signal and the synthesized air conduction speech signal according to the timbre weighting characteristic of the bone conduction speech characteristic; estimating the integer pitch of the bone conduction speech signal through the timbre weighting filter, obtaining the reference signal by passing the linear prediction residual signal through the timbre weighting filter, estimating the fractional pitch to obtain the adaptive codebook vector; obtaining the new reference signal by subtracting the adaptive codebook vector from the reference signal, searching for the optimal excitation in the fixed codebook; synthesizing the air conduction speech signal by combining the optimal excitation and the LP filter of the air conduction speech signal, and correcting the air conduction speech signal.

Embodiments provide a method for transmitting data between a user terminal and another apparatus. The method has a step of generating a signal for driving an electromagnetic oscillating circuit connected to the user terminal. Additionally, the method has a step of driving the electromagnetic oscillating circuit by the generated signal to produce, by the electromagnetic oscillating circuit, a magnetic field which carries data to be transmitted from the user terminal to the other apparatus.

The utility model provides a kind of multifunctional earphone assembly and extension body of supporting function extension, the earphone assembly includes: earphone body, it is provided with output type's first power interface;Extension body, it includes function module and input type's second power interface;First power interface and second power interface are connected or separated by removable type connection structure, when first power interface and second power interface are in connection state, first power interface provides power supply for second power interface, to make function module in extension body work under the power supply driving of earphone body output;Function module is used to execute the extension function independent of earphone body.The above-mentioned earphone assembly utilizes the existing power supply capacity of earphone body, provides flexible function extension capability for earphone body by standardized removable interface, and user can select to use or not use different extension body according to demand, solve the problem that existing earphone function is single and poor in extensibility.

The application discloses an auxiliary rebound mechanism, a sound box and electronic equipment, which comprises a base, a rotating part, a mounting part, an encoder and an elastic part. The rotating part is arranged on the base and can rotate along the axis of the base. The mounting part is connected above the rotating part. The encoder is arranged on the mounting part and connected with the base at the lower end. The elastic part is arranged on the bottom surface of the rotating part to provide rebound force for the rotating part. When the mounting part is subjected to a downward pressure, the rotating part and the mounting part sink synchronously. When the mounting part loses the downward pressure, the elastic part can drive the rotating part and the mounting part to reset. The application can greatly reduce the probability of key function rebound jam, incomplete reset, key jam and even function failure of the product, and significantly improve the durability and service life of the product.

The utility model relates to the field of bluetooth headset charging box, and disclose a kind of bluetooth headset charging box of built-in ultraviolet germicidal chamber, comprising: bluetooth headset charging box;Sealing cover, sliding installation is in bluetooth headset charging box inside near top position, and the top of sealing cover is fixedly installed with installation strip, and the top of sealing cover is equipped with two groups of installation port;Two groups of moving groove are respectively set in the front and back of bluetooth headset charging box, and two groups of moving groove are slidably installed with sealing strip in;Convenient cleaning charging bin assembly is slidably installed in the bluetooth headset charging box, by setting the ultraviolet germicidal chamber and push block structure of sliding installation, when needing to clean earphone placing bin, just need to push push block, ultraviolet germicidal chamber can be slid upward and completely exposed outside charging box, without complex operation, can be carried out overall cleaning to charging bin inside, effectively solved the problem that charging box inside is difficult to reach and accumulates dust and dirt, significantly improved cleaning convenience.

A lamp for a vehicle, the lamp including: a lamp housing portion including an interior space configured to receive a light source; an outer lens portion coupled to one side of the lamp housing portion and configured to cover the internal space; a vibration portion fixed to the outer lens portion, the vibration portion including: a polarized piezoelectric element; and a first electrode and a second electrode facing two opposite sides, respectively, based on a direction in which the piezoelectric element is polarized, and a cover member disposed at one side of the vibration portion and including a partial region facing the outer lens portion, a vibration portion interposed between the cover member and the outer lens portion, the cover member including one or more vibration damping holes; wherein the piezoelectric element is configured to output sound by vibrating a voltage applied to the first electrode and the second electrode over time change.

[Problem] To provide is a water-resistant sound transmitting member which has a high degree of water resistance, which can be suitably used for the water-resistance protection of a microphone and a speaker for an electrical appliance, and with which, even when used in a compressed state in order to prevent sound interference within a housing, acoustic loss is low and the acoustic characteristics of a microphone and a speaker are not impaired.　[Solution] In this water-resistant sound transmitting member, a support layer is layered on at least one surface of a water-resistant sound transmitting film, a sound transmitting region where both surfaces of the water-resistant sound transmitting film are exposed is provided, and the stress on the film surface of the water-resistant sound transmitting member necessary to compress the same by 40% in the vertical direction is 1-600kPa.　

The utility model discloses a bluetooth earphone with adsorption and loss prevention functions, which relates to the technical field of bluetooth earphones and comprises a charging bin, bin covers are hinged to the top and the bottom of the charging bin respectively, and an upper accommodating cavity and a lower accommodating cavity are formed by the charging bin and the two bin covers at the top and the bottom respectively; a connecting assembly is arranged in the lower containing cavity and comprises two elastic clamping strips and a USB connector, and the two elastic clamping strips are connected with the USB connector through connecting data lines. According to the Bluetooth earphone with the adsorption and loss prevention functions, when the Bluetooth earphone body is connected with the mounting groove through the elastic clamping strip, the naturally-formed U-shaped structure can be effectively hung on the rear side of the neck of a user, so that the earphone is not prone to falling off during movement, and when the earphone body falls off, the connection data line can effectively prevent the earphone body from being completely separated from the body of the user; therefore, the risk of falling, damage or loss is reduced.