Loudspeakers TRIZ Cases

A sound production apparatus uses a shared magnetic circuit to drive two diaphragms via an extension portion.

Dual-pore zeolite sieves separate VOC adsorption from acoustic absorption, preventing material degradation in speakers.

Dual surrounds replace the damper to constrain vertical voice coil motion, eliminating thickness limits and glue degradation.

Symmetrical connecting points on coil terminals balance electromagnetic forces in electrodynamic transducers.

An eccentric motor generates sound-synchronized vibrations, replacing bulky transducers to reduce weight and manufacturing cost.

An integral washer conductive sheet merges magnetic correction and signal conduction in speaker structures.

An FIR filter compensates for the multi-axis acoustic path, resolving shallow depth constraints while preserving sound quality.

A reinforcing rib on an LCD backlight module conducts vibration energy from a dedicated exciter to transmit sound waves efficiently.

A voice activation system repurposes the headset speaker as a second microphone to cross-validate audio signals.

A sound producing device uses separate driving and vibration frames to support the diaphragm and armature.

Diametrically opposed deflectors form a shared chamber that absorbs acoustic energy, eliminating resonant artifacts in the spectrum.

Integrating fixing portions into the diaphragm structure resolves the trade-off between assembly simplicity and overall strength in portable speakers.

Segmenting the shell allows separate molding of the diaphragm and side magnetic conductive plate, resolving interference that prevents simultaneous formation.

A miniature speaker frame incorporates a recessed cavity to accommodate voice coil lead wires within the magnetic circuit unit.

Orthogonal magnetic fields drive the transducer to reduce resonant frequency without increasing device size.

A speaker diaphragm with a non-coplanar main body and connecting part enlarges the effective radiating area, resolving limited dome coverage.

Magnetic conductive material converges alternating and static fields to drive transducer vibration suspension, reducing magnetic circuit complexity.

A micro-speaker frame uses laser direct structuring to create conductive blocks for stable voice coil connections.

A multi-diaphragm speaker uses a shared planar voice coil to drive multiple diaphragms for broad frequency reproduction.

Integrating a wireless transmission unit on the vibration diaphragm eliminates long voice coil leads, preventing breakage and reducing internal collision noise.

A speaker diaphragm features bending fixing portions extending along the vibrating direction to attach to the frame's inner peripheral side.

Concentric magnetic rings create a radial field that reduces leakage and hysteresis losses, minimizing sound distortion in headphone speakers.

Secondary magnets with extension portions improve magnetic force and stability while reducing breakage risk during magnetization.

Extending the elastic member arm lowers the resonant frequency (f0) and improves low-frequency vibration performance in multi-function speakers.

A multifunctional sound device shares a magnetic system between a speaker and vibrator to reduce occupied space.

A conductive lower diaphragm integrates a metal layer to electrically connect the voice coil and external circuit within a speaker.

An acoustic duct with a central aperture transforms the tweeter into a Helmholtz resonator, increasing output level below 3000 Hz without excessive distortion.

Stacked piezoelectric vibration parts connect via patterned electrodes, eliminating soldering steps that increase manufacturing complexity.

A multi-function transducer assembly integrates a piezoelectric layer with spaced terminals to serve as both an audio speaker and input device.

An integrated damper structure merges two separate components into one unit, eliminating dual attachment steps while maintaining sound pressure balance.

Segmenting vibration exciters into specialized piezo and cone components resolves high frequency reproduction limits while managing device complexity.

A liquid metal polymer suspension dissipates heat from a microspeaker voice coil to the frame.

A rear-mounted sound generator vibrates the display panel to direct sound toward users, while an insulation member prevents heat transfer from the speaker.

An air-permeable mesh forms a rear cavity with sound-absorbing powder, improving low-frequency response while preventing interference with the voice coil.

A correction filter processes acoustic signals to reduce transmitted sound through a vibration member.

Integrating the connecting terminal into the bracket reduces manual tinsel wire connections, lowering manufacturing costs.