15results about "Transducer combinations" patented technology

An electronic device, including a substrate, a package component, a first sensor chip, and a second sensor chip, is provided. The substrate has an inner space and a first through hole communicated with the inner space. The package component is disposed on the substrate and forms a front chamber and a back chamber together with the substrate. The package component has an opening. The front chamber is communicated with an outside air by the opening. The inner space constitutes at least part of the back chamber, and the back chamber is communicated with the front chamber by the first through hole. The first sensor chip is disposed on the substrate and covers the first through hole to separate an airflow in the front chamber and an airflow in the back chamber. The second sensor chip is disposed on the substrate and located in the back chamber.

The invention relates to a hearing device (1) comprising a loudspeaker (6) with a loudspeaker diaphragm (24) for generating acoustic signals, a drive acting on the loudspeaker diaphragm (24), and a loudspeaker housing in which the drive and the loudspeaker diaphragm (24) are received; a housing (2) enclosing an interior space; and a loudspeaker box (12) arranged in the interior space, in which the loudspeaker (6) is fluid-tightly sealed from the interior space, and which has a sound outlet opening (22) coupled to a sound conductor (18, 20) leading from the housing (2). The loudspeaker (6) is arranged in the loudspeaker box (12) without a sound channel element arranged within the loudspeaker box (12) that couples the loudspeaker (6) to the sound outlet opening (22).

This application discloses an audio processing method and apparatus and an electronic device. The electronic device includes a device body and a decorative ring assembly. The device body is provided with a first opening, and the decorative ring assembly is assembled onto the device body through the first opening. The decorative ring assembly includes a cover plate and an expandable connection component. The cover plate corresponds to a sound module of the device body, the expandable connection component has a cavity, a first end of the expandable connection component is connected to the cover plate, a second end of the expandable connection component is connected to the sound module, and the cavity communicates with an acoustic chamber of the sound module. The cover plate is able to rotate relative to the device body, and a volume of the cavity corresponds to a rotation angle of the cover plate.

In an embodiment, provided is a loudspeaker including a port tube having at least one flared exit designed by a process for optimizing port tube design parameters. The optimization process may include: receiving, by a processor, port tube design parameters for the loudspeaker; predicting, by the processor, pressure and pressure gradients by performing a numerical simulation process based on the port tube design parameters; determining, by the processor, a measure of shear within the port tube and at exits of the port tube based on the predicted pressure and pressure gradients; and until the measure of shear is minimized, updating, by the processor, the port tube design parameters, and sequentially repeating performing the numerical simulation process and the determining of the measure of shear.

An external ear canal pressure regulation device including a fluid flow generator and an earpiece having a first axial earpiece conduit fluidicly coupled to the fluid flow generator, whereby the earpiece has a compliant earpiece external surface configured to sealably engage an external ear canal as a barrier between an external ear canal pressure and an ambient pressure.

PNEUMATIC PULSATING LOUDSPEAKER FOR MOTOR VEHICLES The present invention relates to a loudspeaker (2) for a motor vehicle (1), notable in that said loudspeaker comprises: - a pneumatic circuit (4) provided with a pressurized gas flow (F) circulating from upstream to downstream in said pneumatic circuit; and - a flexible diaphragm (10) fluidly connected to the pressurized gas flow, configured to deform according to pressure variations of the pressurized gas within said flexible diaphragm, such that deformations of said flexible diaphragm generate sound. (Figure to be published with the abbreviation: Figure 1)

Motor vehicle, with at least one vehicle seat having a seat surface and a backrest, wherein at least one side guide cushion is formed in the area of ​​side surfaces of the seat surface and / or the backrest, wherein the volume of the side guide cushion can be changed by a fluid by increasing and / or decreasing the size of the side guide cushion, wherein the fluid is supplied via at least one compressor, characterized in that a device for playing back audio signals is provided which is connected to means that convert the digital audio signals into electrical signals, that the at least one compressor is connected to these means and causes a pressure change in the respective side guide cushion connected to the existing compressor according to the converted electrical signals.

The microelectromechanical component (1) has a housing (2) with a carrier (3), a cover (5) and a displacement structure (8) arranged in the housing (2). The displacer structure (8) has a bottom wall (9), a top wall (10), a side wall (11) and a plurality of displacer walls (12) which extend between the bottom wall (9) and the top wall (10), are parallel to one another and run perpendicular to the side wall (11), are movable, and delimit a plurality of volume chambers (13) of the displacer structure (8). According to the invention, the displacement device structure (8) has at least one movable coupling element (14) which is mechanically and fixedly connected to the movable displacement device wall (12) and which is formed at least in sections by the bottom wall (9) and / or by the top wall (10) and / or by the side walls (11) and which can be moved in such a way that the displacement device structure (8) can be moved at least in sections by the bottom wall (9) and / or by the top wall (10) and / or by the side walls (11). The movable displacement device wall (12) can be moved in a direction parallel to the carrier (3) and perpendicular to the movable displacement device wall (12).

A sound system having a sound-emitting body (1) comprising a fillable, viscoelastic hollow membrane (2). To achieve an improvement in the sound quality while at the same time keeping production costs low, it is proposed that the membrane tension of the viscoelastic hollow membrane (2) can be adjusted in dependence on the sound emission behaviour due to the filling pressure such that the overpressure in the hollow membrane (2) is preferably between 0.01 and 0.5 bar; and the sound system having a structure-borne sound transducer (4) which is vibrationally connected to the sound-emitting body (1).

A head-worn audio system includes a first support frame; a first contact element coupled to the first support frame and configured to contact a first portion of a head of a user; a first actuator coupled to the first support frame and the first contact element; and a processor that is communicatively coupled to the first actuator and is configured to: generate a first actuator signal based on first information that is to be conveyed to the user; and transmit the first actuator signal to the first actuator, wherein the first actuator generates a first force on the first contact element based on the first actuator signal, the first force corresponding to the information to be conveyed to the user.

Acoustic sensor housing (10) for detecting airborne sound in the exterior of vehicles moving in an air fluid, the acoustic sensor housing (10) comprising a housing cover (1) comprising an opening (2) for air inlet that is symmetrical to an axial axis (A) of the acoustic sensor housing (10), a spherical body (3) arranged axially symmetrically in the opening (2), an inflow component (4) arranged behind the spherical body (3) in the air flow direction and comprising a sound channel (5) in the form of a continuous hollow space parallel to the axial axis (A), wherein the spherical body (3) is fixed to the inflow component (4) on an outflow side (6) by means of an acoustically permeable membrane (7) that protects the sound channel (5) against the action of foreign bodies, and wherein a flow bypass (8) that directs foreign bodies that have entered the acoustic sensor housing (10) through the air flow away from the membrane (7) and out of the acoustic sensor housing (10) leads out,by a free space between the surface of the spherical body (3), the membrane (7), the inflow component (4) and an inner wall (9) of the housing cover (1).

A device, including an implantable microphone, including a transducer, and a chamber in which a gas is located such that vibrations originating external to the microphone based on sound are effectively transmitted therethrough, wherein the transducer is in effective vibration communication with the gas, wherein the transducer is configured to convert the vibrations traveling via the gas to an electrical signal, the chamber and the transducer correspond to a microphone system, wherein the chamber corresponds to a front volume of the microphone system, and the transducer includes a back volume corresponding to the back volume of the microphone system, and the implantable microphone is configured to enable pressure adjustment of the front and / or back volume in real time.

A bone conduction speaker unit is provided that when incorporated in a headrest, can suppress an unwanted event such as sound ringing or sound leakage, which occurs in a bone conduction speaker, and can be incorporated in a headrest. A bone conduction speaker unit includes a base frame 2, a low-resilience annular body 3 fixed to the top surface of the base frame 2, a damping material 4 fitted into and supported by the base frame 2, a bone conduction speaker body 5 on the damping material 4 can be surrounded by the low-resilience annular body 3, and a contact 6 disposed on the low-resilience annular body 3 to cover the bone conduction speaker body 5. The contact 6 contact the vibration surface of the bone conduction speaker body 5 when the contact 5 receives a load and to leave the bone conduction speaker body 5 when eliminated.