22results about "Transducer diaphragms" patented technology

A display apparatus comprises a display member including a display panel having a plurality of pixels that are configured to display an image, a sound output device configured to output sound, and an input / output interface configured to be connected to an external sound apparatus via wire, the sound output device and the external sound apparatus are configured to output sound according to a sound mode responsive to the external sound apparatus being connected to the input / output circuit via the wire.

A display device includes: a display panel comprising a first area and a second area; a sound generator disposed on the display panel in at least one of the first area and the second area; a dividing member disposed on the display panel at the boundary between the first area and the second area and extending in a predetermined direction; and a blocking member disposed on the display panel in at least one of the first area and the second area and spaced apart from the dividing member.

A phase plug for a compression driver includes a body having an entrance side with a front surface and an exit side with a back surface, the body disposed about a central axis. A plurality of channels are formed through the body from the entrance side to the exit side, each of the plurality of channels having an annular configuration with an entrance at the front surface, an exit at the back surface, and a path length between the entrance and the exit. The plurality of channels have unequal path lengths such that a sound signal propagating through the plurality of channels forms a convex wavefront at the exit side of the phase plug.

Acoustic output device, characterized in that it comprises: a housing in which an inner chamber is formed; a support structure that allows the housing to be held in a position on the ear without blocking the external ear canal; a first loudspeaker which is accommodated in the inner chamber, the first loudspeaker comprising a first magnet and a first diaphragm which are spaced apart from each other in a direction of vibration of the first diaphragm; and a second loudspeaker which is incorporated in the inner cannon, the second loudspeaker comprising a second magnet and a second diaphragm spaced apart from each other in a direction of vibration of the second diaphragm; wherein the first magnet and the second magnet are spaced apart from each other in the direction of oscillation of the first membrane, and wherein the first magnet and the second magnet have the same magnetic poles which are arranged opposite each other.

A vibration apparatus includes a vibration generating part including at least one vibration part, a first cover member at a first surface of the vibration generating part, a second cover member at a second surface of the vibration generating part, the second surface of the vibration generating part being different from the first surface of the vibration generating part, and a signal cable including first and second signal lines connected to the at least one vibration part, the first and second signal lines are disposed between the second cover member and the vibration generating part.

The application discloses a sound amplification device, which comprises a vibrating body, the vibrating body comprises at least one first vibrating surface and at least one contact area for contacting with a vibration source, the vibration source and the contact area are in detachable contact, the area of the first vibrating surface is larger than that of the contact area, the vibration source is used for generating vibration, the vibration is transmitted to the first vibrating surface through the contact area and is transmitted outward through the first vibrating surface.

A system and method for removing unwanted vibrational noise is provided. The system can detect, by one or more microphones of the system, at least one audio signal that includes audio content output from at least one speaker and audio data from one or more other sources or caused by the one or more other sources. The other audio data can include determined undesired vibrational noise that causes distortion of the at least one audio signal. The system can determine, by at least one sensor of the system, a subset of the other audio data based in part on determining at least one motion of a user of the system or motion of one or more other users. The system can remove or reduce the undesired vibrational noise from the at least one audio signal to enable output of sound associated with the modification of the at least one audio signal.

A phasing plug for a compression driver includes a body having an inlet side with a front surface and an outlet side with a rear surface, the body disposed about a central axis. A plurality of channels are formed through the body from the inlet side to the outlet side, each of the plurality of channels having an annular configuration with an entrance at the front surface, an exit at the rear surface, and a path length between the entrance and the exit. The plurality of channels have unequal path lengths such that acoustical signals traveling through the plurality of channels form a convex wavefront at the outlet side of the phasing plug.

A display device according to the present disclosure comprises a display unit, which includes a panel displaying a video, and an output control unit, which performs a control operation to cause the panel to emit sound by driving a vibration exciter arranged on a rear surface of the panel to set the panel into vibration. The vibration exciter comprises a vibration excitation element, a first element to which the vibration excitation element is attached, and a support element, which serves as a leg section for attaching the first element to a substrate forming the panel, the support element being configured to secure the first element to the substrate.

The present application provides a reversible photochromic paper bowl and its preparation method and application, the reversible photochromic paper bowl includes paper bowl base material, isolation layer, photochromic layer and protective layer arranged in turn; the isolation layer includes a combination of polyvinyl alcohol and cationic guar gum; the photochromic layer includes a combination of a first aqueous polymer matrix and photochromic microcapsules; the protective layer includes a combination of a second aqueous polymer matrix and nanometer titanium dioxide. Through the design of the isolation layer, the photochromic layer, the protective layer and their joint action, the reversible photochromic paper bowl has light response color changing characteristics, and the response speed is fast, and the color changing performance is reversible. At the same time, the reversible photochromic paper bowl has uniform and stable color development and color change effect, excellent ultraviolet aging resistance, high modulus, strength and rigidity, excellent mechanical properties, acoustic properties, sensitivity and sound quality effect, and its preparation method is simple, which can meet the diversified performance requirements in various scenes.

A lighting system for emitting sound comprises a rail for mechanically supporting lighting system components and for supplying electrical power to the lighting system components. The system comprises at least one electromechanical transducer configured to generate vibrations of the coupling element in accordance with a sound signal supplied to the transducer. The transducer is mounted on or in the rail with the coupling element in mechanical contact with the rail or a system component for stimulating the rail or system component with the vibration generated by the transducer.

OMNIDIRECTIONAL DIFFUSION ACOUSTIC ENCLOSURE AMPLIFIED BY A VIBRATING WOODEN BLADE The invention relates to an acoustic enclosure (100) comprising a box (200) having a lower face (210) having a perimeter P1; an acoustic insulator (300) arranged in said box; at least one loudspeaker (400) arranged in said box and oriented towards said lower face (210) in a first initial direction of propagation; a wooden blade (500) arranged opposite said lower face (210) and having a perimeter P2 extending along at least the dimensions of the perimeter P1 of said lower face (210), so as to oppose the initial direction of propagation of the sound waves and transform this into a radial and omnidirectional direction of propagation by vibration of said blade (500);at least one elastic support (600) mechanically connecting said airtight box (200) with said wooden blade (500) and configured to maintain a distance D1, representative of the gap between said box (200) and said blade (500). Figure for the abbreviation: Figure 1A;

To keep sound propagation within the intended range. [Solution] The acoustic system 100 comprises a vibrating member 110, one or more sound generating devices 121 that generate sound directed toward the vibrating member 110 based on an acoustic signal, one or more vibrators 122 attached to the vibrating member 110 and that vibrate the vibrating member 110, a first signal output device 131 that outputs a first acoustic signal to the sound generating device 121, and a second signal output device 132 that outputs a second acoustic signal to the vibrator 122, which is a corrected version of the first acoustic signal that suppresses sound propagation in a non-propagation region 202 that is outside the region where sound emitted from the sound generating device 121 and passed through the vibrating member 110 is intended to propagate.

The invention relates to an architecture (1) for mounting an inertial electrodynamic transducer (2) in an interior compartment of a motor vehicle, said architecture comprising a rigid housing (3) housed in a cavity (10) delimited by a wall (11) separated from said housing so as to define an extension space (12), and a separation means (13) interposed between said housing and said wall, the wall of said housing being provided with a plurality of orifices (14) and said housing being provided with an internal layer (15) extending opposite said orifices.

A sound system, a sound system control method, and a sound system manufacturing method are provided. Propagation of sound is limited to an intended range. A sound system (100) includes a vibration member (110), one or more sound generating devices (121) that generate sound to the vibration member (110) based on a sound signal, one or more vibration exciters (122) that are installed to the vibration member (110) and apply vibration to the vibration member, a first signal output device (131) that outputs a first sound signal to the sound generating device, and a second signal output device (132) that outputs a second sound signal obtained by correcting the first sound signal in a manner to suppress propagation of sound in a non-propagation region (202) that is a region outside a region in which sound emitted from the sound generating device based on the first sound signal and passing through the vibration member (110) is intended to propagate.

The present invention comprises: a magnetic circuit module forming a magnetic gap; a voice coil part which is disposed in the magnetic gap and vibrates along a vibration axis; and an excitation module which is connected to the voice coil part and includes a shaft extending along the vibration axis, wherein the volume of a speaker is minimized and the position relative to a vibrated object can be changed to select the desired sound quality.

One or more embodiments of the present disclosure relates to hearing aids. A hearing aid includes a plurality of microphones configured to receive an initial sound signal and convert the initial sound signal into an electrical signal; a processor configured to process the electrical signal and generate a control signal; and a speaker configured to convert the control signal into a hearing aid sound signal. To process the electrical signal and generate the control signal, the processor is configured to: adjust a directivity of the initial sound signal received by the plurality of microphones, so that a sound intensity of a first sound signal from a direction of the speaker in the initial sound signal is always greater than or always less than a sound intensity of a second sound signal from other directions around.

An acoustic system includes: a vibration component; one or more sound generation devices that generate, based on an acoustic signal, sound directed toward the vibration component; one or more vibrators that are attached to the vibration component and impart vibration to the vibration component; a first signal output device that outputs a first acoustic signal to the one or more sound generation devices; and a second signal output device that outputs, to the one or more vibrators, a second acoustic signal obtained by correcting the first acoustic signal to suppress propagation of sound in a non-propagation area that is outside an area in which propagation of the sound is intended, the sound having been emitted from the one or more sound generation devices based on the first acoustic signal and having passed through the vibration component.

Disclosed are a vibration sensor and an electronic equipment. The vibration sensor includes a circuit board assembly, a shell, a vibration pick-up assembly, a support shell and a chip assembly. The shell is configured to cover a side of the circuit board assembly to form an installation space. The vibration pick-up assembly is provided in the installation space, and is configured to pick up an external bone vibration and generate a response vibration. The support shell is connected to a side of the vibration pick-up assembly away from the circuit board assembly. The chip assembly is connected to a side of the support shell away from the circuit board assembly, and is electrically connected to the circuit board assembly. The vibration pick-up assembly, the support shell and the chip assembly are enclosed to form a conduction cavity.