Loudspeakers TRIZ Cases

Pads on opposite flexible circuit board surfaces connect voice coil lead wires directly, maintaining consistent gap distance and preventing separation.

Modular acoustic horns use aligned diffraction slots to radiate high frequencies efficiently.

An acoustic event detection module receives signals from existing speakers to identify gunshots without new sensor wiring.

A vibration-based sound output system directs acoustic waves forward using a piezoelectric element and coil apparatus.

A receiver vibration plate merges reed and diaphragm functions into a single magnetic permeable component to simplify assembly.

A coaxial loudspeaker design merges motor vibration and sounding units into a shared magnetic circuit to reduce overall device thickness.

Segmented flexible connections control stiffness across displacement stages to prevent material damage and reduce distortion.

Shortened elastic arms in conductive terminals prevent deformation and extend service life by maintaining firm contact.

Porous air adsorbent increases equivalent stiffness to improve low frequency sound pressure level.

Elastic arm adjusts conductive terminal length to resolve adaptability complexity trade-off while preventing detachment during automated assembly.

A magnetic guiding module concentrates flux lines within the voice coil gap of a long stroke speaker to enhance power conversion efficiency.

Stacked front and rear cavities reduce speaker area while improving heat dissipation and sound quality.

A curved supporting member directs vibration apparatus sound forward, eliminating wall reflections that degrade display panel audio quality.

Impedance compensation element damps resonances and standing waves to smooth frequency response peaks and notches in loudspeaker enclosures.

Hidden connection points enable secure mounting brackets while preserving ingress protection and eliminating separate display-only manufacturing costs.

Segmented acoustic modules arranged in layers balance forces and moments to prevent residual vibration, enabling thin transducers for flat panel televisions.

A speaker diaphragm assembly positions a damper and surround at different horizontal levels on the basket to simplify pre-manufacturing.

Segmented magnetic components position the voice coil within a reinforcing portion to increase BL value and diaphragm displacement.

An H-shaped magnet assembly drives opposing vibration members that offset forces, eliminating cabinet resonance noise.

A MEMS acoustic sensor uses an interior flexible member to create a variable gap between the diaphragm and backplate.

A voice coil bobbin mounts on a frame opening to transmit vibration directly to a silk dome vibrating member.

A coaxial speaker uses a horn-shaped sound channel to enhance high-frequency emission.

Chassis openings and partitions isolate display panel vibration regions, reducing acoustic channel interference that causes sound distortion.

Eccentric sound holes in an acoustic signal output device suppress leakage into surroundings while maintaining open-ear comfort.

Segmented auxiliary diaphragm vents relieve pressure and improve acoustic performance by enabling efficient gas circulation within limited device height.

A stereoscopic elastic support structure accommodates larger magnets to increase BL value while maintaining reliability under mechanical impact.

Surrounding the voice coil with magnetic steel enables air circulation and superposes electromagnetic forces to drive the diaphragm, reducing aerodynamic noise.

A panel speaker design uses a resin screw to fasten the vibration actuator, bracket, and spacer for efficient sound wave output.

A slit shaped waveguide directs pressurized air from a compression driver to emit sound waves directly from the display front surface.

A multifunctional speaker uses a spring plate to suspend the magnetic circuit system within the frame.

Inverting the piezoelectric element inside the housing transmits sound through the panel, improving reliability and waterproofing.

Segmented inner and outer voice coils maintain electroacoustic conversion efficiency while reducing vibration plate diameter.

A vibration sounding device uses an electromagnetic driver to replace piezoelectric units, reducing voltage requirements while maintaining acoustic performance.

Integrating a damper ring with the voice coil prevents deflection during high amplitude vibrations, reducing distortion while maintaining a compact profile.