8results about "Transducer combinations" patented technology

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.

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 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.