A coupled dual sound structure vibrates vehicle interior material to extend frequency range and raise pressure levels for stereo output.
Multiple enclosure holes and vehicle interior vibration plates improve middle-low sound pressure without adding separate speaker space.
Coupled interior panels improve middle-low sound pressure in vehicles.
A hot-pressed film cover with leakage-hole arrays adapts to complex housings while preserving space for sound-absorbing powder.
This case combines a seat loudspeaker box and actuator, using phase alignment to improve sound and vibration delivery.
A shock-absorbing sleeve limits vibration transfer and speaker resonance.
Perpendicular sound and motor vibration reduce thickness and magnetic interference.
This case uses housing holes to redirect internal sound waves, interfering with leakage and reducing amplitude without added speaker volume.
A core-and-rubber isolator uses a screw-mounted attachment piece to stabilize speaker boxes and absorb vibration in tight chassis space.
This case replaces large acoustic cavities with fixed-carrier vibration transmission for compact, high-power low-frequency sound.
A speaker, piezoelectric element, and coil substrate combine vibration with weak electromagnetic waves for bone fracture treatment.
When upward projection causes the stand to block rear speaker sound, an acoustic unit reflects and diffuses high frequencies.
This case uses support-integrated sound channels and opposite outlets to reduce volume deviation caused by eccentric speaker placement.
Apertures and resonance replace quarter-wavelength layers for compact, efficient acoustic impedance matching.
Direct vibration reaches the device casing; a symmetric injection-molded damping member buffers the sound unit and magnetic assembly.
A stepped plate expands speaker duct area in limited PCB space, improving high-frequency sound pressure while isolating sound paths.
A dual-microphone electronic stethoscope combines mechanical isolation and digital processing to reduce ambient noise during auscultation.
This case uses separated sound and interface chambers to deliver louder, clearer speech from a detachable wearable module.
A suspended box and shared magnetic circuit integrate acoustic and vibration actuation, simplifying assembly and reducing device thickness.
A micro-speaker array and adjustable tactile exciter deliver high-fidelity sound in aircraft valance cavities with less space and weight.
Opposing-end motors drive paired diaphragms in opposite directions to cancel inertial forces and support low-profile vehicle audio.
This case uses a mass element on a piezoelectric structure to reduce resonance differences and improve low- and mid-frequency sound.
A ribbed stiffening part joins opposite casing walls and positions damping devices to shift resonance beyond the speaker range.
A case with attachment and boss portions provides multi-point support, suppressing resonance while improving durability and heat isolation.
This loudspeaker mounts at its center of gravity to reduce vibration transmission to the cabinet and reproduce clearer sound.
This case links the speaker frame to an opposite enclosure face, transferring rigidity to limit vibration-driven deformation and distortion.
Shared magnetic circuits and conductive mass blocks compact sound devices while improving damping.
A limiting structure and rigid seal protect the flexible rib during direct loudspeaker mounting without changing speaker volume.
This case uses housing sound guiding holes to interfere with leaked waves, reducing leakage by up to 20 dB in specific frequency ranges.
A loudspeaker basket uses a fixing tab to transfer stiffness across the sound box, limiting deformation and acoustic distortion.
This loudspeaker uses chassis openings to enlarge the cup and spider, supporting longer stroke and stability in compact form factors.
OLED display panels vibrate via exciters to reproduce audio, reducing assembly space and wiring complexity in vehicles.
Integral reflex port former extends from end sections to exhaust internal pressure away from drivers.
A flexible circuit board with a convex connection portion disperses mechanical stress through curved geometry.
A fin element re-laminarizes turbulent sound flow through a bracket opening, reducing acoustic distortion while maintaining compact device design.
A media chair speaker uses a front chamber to maintain internal gas pressure for low-frequency sound generation.
A movable cover shifts position to expose or block a speaker opening, resolving space constraints while improving stereo effects in loudspeaker mode.
An asymmetric reflector contour compensates for a curved membrane, eliminating phase deviations and distortion in audio generators.
Oppositely phased diaphragm surfaces create destructive interference that suppresses bass leakage while maintaining high sound pressure levels.
A wall structure guides woofer sound through top-side sound holes, preventing bass blockage from rear objects.
A magnetic shield structure redirects speaker coil heat toward the display while blocking magnetic interference with internal components.
A Bluetooth speaker module integrates audio and optical components into a single unit with versatile mounting portions.
Audio playback apparatus calculates stationary noise power spectrum density to retrieve selected filter parameters for anti-noise signal generation.
Segmented locking mechanism prevents loudspeaker from falling during use while enabling easy attachment and detachment.
An adjustable clamping cross suppresses independent magnet vibrations and resonances by applying precise mechanical pressure to the housing walls.
A barrier rib body in the rear acoustic cavity blocks sound-absorbing particles from migrating toward the exhaust path.
Laser welding metal pieces to a magnetic yoke secures the speaker inside a metal housing, eliminating support foam and preventing loosening.
A vibration reduction assembly uses an actuator to move a mass out of phase with the voice coil, generating an opposing inertial force.
Segmented speakers paired with a sound-guiding board redirect bass waves to match the high-frequency driver, resolving thin television distortion.