610results about "Loudspeaker screens" patented technology

A speaker apparatus including a housing; a slot loading loudspeaker inside the housing, the slot loading loudspeaker including a speaker unit, and a cover covering the speaker unit, and including an opening through which an acoustic signal from the speaker unit may be output; and a panel member disposed in a forward direction of the slot loading loudspeaker so that a gap is formed between the cover and the panel member, and an exposure area is formed between an edge of the housing and an edge of the panel member to expose the opening through the exposure area so that an acoustic signal outputted through the opening is transferred to an outside, wherein at least one of the cover or the panel member includes at least one blocking member for preventing at least a portion of the acoustic signal outputted through the opening from flowing into the gap.

An acoustic output device is provided. The acoustic output device includes a housing; a bone conduction vibrator configured to generate bone conduction sound waves and transmit the bone conduction sound waves to a cochlea through the housing to produce sound; an air conduction vibrator configured to generate air conduction sound waves, the air conduction sound waves being transmitted to an ear through sound guiding holes in the housing; and a processing module configured to provide the bone conduction vibrator and the air conduction vibrator with a first audio signal and a second audio signal, respectively, the first audio signal and the second audio signal having a frequency division point, the first audio signal and the second audio signal including components with frequencies above and below the frequency division point, respectively. The frequency division point is not less than 600 Hz.

The present disclosure relates to a speaker device. The speaker device may include an ear hook, a core housing for accommodating an earphone core, and a circuit housing for accommodating a control circuit or a battery. The ear hook may include a first plug end and a second plug end. The ear hook may be surrounded by a protective sleeve which may be made of an elastic waterproof material. The ear hook may be elastic, and a position of the core housing relative to the ear hook may be changed according to an elastic deformation of the ear hook, thereby the core housing may fit a user in front of or behind an ear of the user. The circuit housing may be fixed to the second plug end. The control circuit or the battery may drive the earphone core to vibrate to generate a sound.

The air-pulse generating device comprises a film structure, operating at an ultrasonic operating frequency, and a resonant chamber, formed on a side of the film structure. A resonance is formed within the resonance chamber. Due to the resonant chamber, the APG device has a peak on a frequency response of an acoustic property of the APG device at the ultrasonic operating frequency.

A communications system for a restaurant includes multiple field communications units, a portable communications device, and processing circuitry. The field communications units include a speaker and a microphone. The portable communications device is transportable by an order taker of the restaurant. The processing circuitry obtains a user input to transition the portable communications device between multiple different channels. The multiple different channels correspond to one of the multiple field communications units. The processing circuitry transitions the portable communications device to one of the multiple different channels according to the user input. The processing circuitry facilitates end-to-end bi-directional audio communication between the order taker and a customer by operating the portable communications device and the one of the multiple field communications units to exchange audio data over the one of the multiple different channels.

The present invention provides a speaker includes a frame, a vibration system fixed with the frame, a magnetic circuit system driving the vibration system to vibrate and sound, a flexible circuit board and an electrical connector. The vibration system includes a diaphragm and a voice coil driving the diaphragm to vibrate. The flexible circuit board is fixed on a side of the diaphragm distal to the voice coil. The flexible circuit board covers and is fixed with the diaphragm. The electrical connector passes through the diaphragm to electrically connect the flexible circuit board and the voice coil. In present invention, the flexible circuit board does not occupy a space of the magnetic circuit system, and the acoustic performance of the speaker is good.

A wall-mounted audio device is provided, including: a display component; a wall-mounted box body, wherein a front panel is provided with a rim region and a display region; the display component is arranged in the display region; a rear panel of the wall-mounted box body is provided with a wall connector; a speaker module, arranged inside the wall-mounted box body a sound output end of the speaker module faces the sound outlet hole; and an mesh. The mesh is detachably connected to the front panel of the wall-mounted box body. The display component is a liquid crystal display screen. The speaker module includes a speaker module housing and one or more transducers designed on the speaker module housing. The speaker module housing is provided with a bass enhancement port. The rear panel of the wall-mounted box body is provided with a wire receiving slot.

A portable electronic device may include a housing having a wall defining an opening in the housing and at least a portion of four side surfaces of the portable electronic device. The portable electronic device may further include a display at least partially within the housing, a front cover positioned in the opening in the housing and over the display, the front cover defining a front surface, a peripheral side surface extending from the front surface and at least partially surrounded by the wall of the housing, and a notch that, together with a portion of the wall of the housing, defines an acoustic port of the portable electronic device. The electronic device may further include an acoustic port cover positioned at least partially in the acoustic port and a speaker at least partially within the housing and configured to direct sound through the acoustic port cover.

A wearing assembly and an earphone are provided. The wearing assembly includes an elastic metal wire, a lead assembly, an insert member, and a wrapping assembly. The insert member is fixed to an end of the elastic metal wire and includes an insert body. The wrapping assembly includes a body wrapping portion wrapping a periphery of the elastic metal wire and the lead assembly, the lead assembly has an exposed portion that is exposed from the body wrapping portion and extends to the insert body; and at least one of the insert body and the wrap assembly further wraps a periphery of the exposed portion. The above solution uses at least one of the insert body or the wrap assembly to wrap the periphery of the exposed portion to improve a mounting yield of the wearing assembly.

A rear panel, which is an external member, includes a frame portion including multiple sound radiation holes including a first sound radiation hole, a second sound radiation hole, and a third sound radiation hole. A first sloping portion is disposed within an area of the first sound radiation hole and is inclined with respect to a thickness direction of the frame portion towards a first direction non-parallel to the thickness direction, and a second sloping portion is disposed within an area of the second sound radiation hole and is inclined with respect to the thickness direction of the frame portion towards a second direction different from the first direction and non-parallel to the thickness direction, and the third sound radiation hole includes a surface parallel to the thickness direction of the frame portion.

A method of installing a speaker system in an saddlebag of a motorcycle comprising: coupling a cutout template to a top surface of a lid of the saddlebag, perforating the lid according to the cutout template to create an aperture for the speaker system, wherein the aperture comprises a perimeter, passing a bucket through the aperture, wherein the bucket is configured to contact the top surface of the lid, coupling a backer to the bucket, wherein the bucket and the backer are configured to nest together, and wherein the backer is configured to contact a bottom surface of the lid, and removably coupling a grille to the speaker system, wherein the grille is configured to cover the speaker system and is positioned on the top surface of the lid.

An image capture device includes a housing that defines a cavity and an aperture positioned within the cavity and an audio device disposed within the housing at a location of the aperture. The image capture device includes stanchions that extend outward from the cavity and a cover coupled to the stanchions. The cover is free of contact with the housing.

A headphone includes an earphone that includes an earcup, an ear cushion, and a driver plate assembly. The driver plate assembly is supported in the earcup and includes a driver plate, a driver mounted along a rear surface of the driver plate, an opening that is provided in the driver plate to allow acoustic energy to pass from the driver into a user's ear canal, a ring that is arranged substantially coaxially with the opening, and an acoustic mesh. The ring defines a planar surface on which the acoustic mesh is mounted.

A seat assembly is provided. The seatback for a first seat is configured to receive an occupant in a vehicle. A headrest is coupled to the seatback and includes at least one loudspeaker and a lattice structure. At least one loudspeaker is positioned in the headrest and is configured to transmit an audio output signal from the headrest. The lattice structure includes a first section positioned proximate to the at least one loudspeaker to enable the audio output signal to pass therethrough and a second section to prevent the audio output signal from leaking to a second seat. The first section is formed at a first density and the second section is formed at a second density. The first density of the first section is less than the second density of the second section to increase an acoustic transparency of the audio output signal.

The present disclosure discloses a vehicle headrest including a main body having a receiving chamber and a first sound hole, and a speaker module including a housing fixed to the main body and including a sound outlet, a speaker unit including a diaphragm, and an acoustic inverting tube. The housing further comprises a back sound hole communicated with the coupling back cavity; the acoustic inverting tube is received in the coupling back cavity. The sound wave output from the back sound hole has a first sound phase, the sound wave output from the sound outlet has a second sound phase, a difference between the first sound phase and the second sound phase is in a range of 2π / 3-4π / 3. The vehicle headrest in the present disclosure has better sound quality and higher acoustic privacy.

A seat assembly is provided. The seatback for a first seat is configured to receive an occupant in a vehicle. A headrest is coupled to the seatback and includes at least one loudspeaker and a lattice structure. At least one loudspeaker is positioned in the headrest and is configured to transmit an audio output signal from the headrest. The lattice structure includes a first section positioned proximate to the at least one loudspeaker to enable the audio output signal to pass therethrough and a second section to prevent the audio output signal from leaking to a second seat. The first section is formed at a first density and the second section is formed at a second density. The first density of the first section is less than the second density of the second section to increase an acoustic transparency of the audio output signal.

An acoustic device is provided. The acoustic device comprises a housing, a waterproof assembly, an acoustic assembly, and a sealing member. The housing includes an accommodation cavity provided with a first sound transmission hole. The waterproof assembly is within and in sealed connection with the accommodation cavity, and covers the first sound transmission hole to prevent liquid from contacting an acoustic sensor. The acoustic assembly includes the acoustic sensor, the acoustic assembly being disposed on a side of the waterproof assembly away from the first sound transmission hole and in sealed connection with the waterproof assembly, and a first gap being formed between the acoustic assembly and the accommodation cavity. The sealing member seals the first gap to fix the acoustic assembly and prevent the liquid from entering an interior space of the housing through the first gap.

An earpiece includes an electro-acoustic transducer, a housing that encloses the electro-acoustic transducer, and a nozzle. The nozzle is coupled to the housing and is configured to direct acoustic energy from the transducer toward a user's ear canal when the earpiece is worn. The nozzle defines an inlet opening, an exit opening, and an acoustic pathway extending therebetween. A microphone is disposed within the nozzle and includes a microphone port. A chimney acoustically couples the microphone port to the exit opening and at least partially defines an effective port for the microphone. The inlet opening is closer to the electro-acoustic transducer than the exit opening such that acoustic energy radiated by the electro-acoustic transducer travels from the inlet opening toward the exit opening. The effective port is closer to the exit opening than the microphone port. The effective port is spaced from an exit opening of the nozzle.

The present disclosure relates to a loudspeaker, including a plurality of sound-generating units arranged at intervals along a first direction, wherein each of the plurality of sound-generating units vibrates along the first direction; a shell configured to accommodate and support the plurality of sound-generating units, the shell being provided with a plurality of sound outlet holes, the shell and the plurality of sound-generating units form a plurality of acoustic cavities. Each acoustic cavity acoustically is coupled to at least one of the sound outlet holes in the shell. Each of the plurality of sound-generating units includes a vibration diaphragm and a driving structure provided on the vibration diaphragm.

A method for synthesizing an audio signal for use with a vehicle horn device to generate an audible warning sound, wherein the audio signal includes a fundamental frequency and harmonics corresponding to the fundamental frequency. The method includes selecting a weight for each of a plurality of harmonics corresponding to a fundamental frequency; synthesizing the precursor audio signal only from the fundamental frequency and the plurality of harmonics using the selected weights; the precursor audio signal is compressed one or more times to provide an audio signal having a crest factor below a predetermined threshold.

The present disclosure discloses a speaker box including: a housing and a speaker, including: a frame; a vibration system, including: a diaphragm; and a coil; a magnet system, including: a main yoke; a main magnet; and an elastic support member, including: a bottom wall surrounding the main yoke; and a side wall; a metal mesh cover surrounding the elastic support member and fixedly connected to the frame; an inner chamber is enclosed by the frame, the main yoke, the elastic support member and the diaphragm; a back chamber isolated from the inner chamber is enclosed by the main yoke, the elastic support member, the metal mesh cover and the housing; a plurality of air vents provided on the metal mesh cover is configured to connect the back chamber with the inner chamber. The speaker box in the present disclosure has higher reliability and higher sound quality.

A horn device for a vehicle. The horn device includes: a horn activation mechanism operable by a vehicle user; a speaker for generating sound radiated outward from a vehicle, where the speaker includes a drive unit and a diaphragm, where the drive unit is configured to move the diaphragm along a movement axis, where the diaphragm has a front surface facing a forward direction parallel to the movement axis and a rear surface facing a rear direction parallel to the movement axis. The rear surface faces a backward direction parallel to the movement axis; the loudspeaker comprises a frame, and a vibrating diaphragm is hung on the frame through at least one suspension. Wherein at least one suspension includes a surrounding member located around the diaphragm; and wherein the diaphragm and the surround are formed from a single piece of material; wherein the speaker is configured to, in response to a user of the vehicle operating the horn activation mechanism, generate an audible warning sound based on an audio signal having a crest factor of a predetermined threshold lower than 6 dB or less.

An audio system can include a speaker frame, a first loudspeaker mounted within the frame, a perforated mounting ring suspended from the frame, a second loudspeaker, a plurality of magnets, and a grill including a magnetic portion. The perforated mounting ring includes a central aperture in which the second loudspeaker is mounted. The magnets are disposed on the mounting ring to allow the grill to removably attach to the speaker frame through magnetic coupling with mounting ring.

Provided is a speaker, including: a diaphragm structure including first and second diaphragms, the first diaphragm is configured to push air to vibrate to generate initial sound wave, and a signal of which is modulated based on a signal within an audible sound frequency band; and a cover plate structure enclosing with the diaphragm structure to form sound-generating cavity, the cover plate structure has a sound outlet hole connecting the sound-generating cavity with outside, the initial sound wave in the sound-generating cavity is transmitted to the outside through the at least one sound outlet hole to form a sound signal, the second diaphragm and the cover plate structure generate an acoustic environmental impedance used to modulate the initial sound wave to change sound pressure of the sound signal. The speaker can modulate and output a sound signal covering the audible sound frequency band based on the acoustic environmental impedance.

The invention relates to a sound guidance structure for a sound-generating device (1) in a vehicle (3), wherein the sound-generating device has a membrane (5) for sound generation and the sound guidance structure has a plurality of curved and non-intersecting ribs (7) which extend in a plane perpendicular to an extension plane of the membrane, wherein each of the ribs (7) has a vertex and wherein the vertices are spaced apart from each other along a straight line which is substantially parallel to the surface of the membrane (5).

Described herein is a method for manufacturing a micromechanical environmental barrier chip (500), the method comprising a step of providing a substrate (200) having a first surface (201) and an opposite second surface (202), a step of depositing a material layer (210) onto the first surface (201) of the substrate (200), the material layer (210) having a different etch characteristic than the substrate (200), a step of creating a microstructured micromechanical environmental barrier structure (220) on top of the material layer (210) by applying a microstructuring process, a step of applying an anisotropic etching process comprising at least one etching step for anisotropically etching from the second surface (202) towards the first surface (201) of the substrate (200) so as to create at least a first cavity (230) underneath the micromechanical environmental barrier structure (220), the cavity (230) extending between the second surface (202) and the material layer (210), and a step of removing the material layer (210) underneath the micromechanical environmental barrier structure (220) in order to expose the environmental barrier structure (220).

Provided is a display apparatus including a display module, a main board configured to drive the display module, and a cover coupled to a rear side of the display module such as to cover the display module and the main board. The cover includes a cover sheet formed of an extruded plastic material or an extruded composite material; and a cover frame attached to the cover sheet and configured to couple the cover sheet to the display module.

The invention discloses an acoustic cavity structure, a manufacturing method thereof and electronic equipment. The sound cavity structure comprises a middle frame assembly, a screen assembly and a loudspeaker, the middle frame assembly comprises a middle frame and a sealing dustproof piece, the middle frame comprises a first through hole, and the sealing dustproof piece comprises a second through hole. The sealing dustproof piece is attached to the second surface of the middle frame and covers the first through hole, and the first through hole is communicated with the second through hole. The screen assembly is attached to the first surface of the middle frame, and the loudspeaker is attached to the sealing dustproof piece. The loudspeaker comprises an open cavity facing the first through hole, and the open cavity, the second through hole, the first through hole and the screen assembly define an equivalent sound cavity of the loudspeaker. By adopting the loudspeaker with the open cavity, the thickness of the acoustic cavity structure can be reduced. In this way, the electronic equipment can be lightened and thinned, and meanwhile the equivalent sound cavity can be used for providing a working cavity with the same or higher size for the loudspeaker. The sound cavity structure can be effectively sealed, so that the electronic equipment can be effectively waterproof, and the audio performance of the loudspeaker can be ensured.

The invention relates to a loudspeaker unit for arrangement in a motor vehicle, a method for producing the loudspeaker unit, a covering element with the loudspeaker unit and a motor vehicle which has at least one loudspeaker unit or a covering element. The loudspeaker unit (1) is intended for arrangement in a motor vehicle and comprises a tweeter (10) and a support element (20) with a grid structure (30) and an upper material (40) connected to the support element (20).