Loudspeakers TRIZ Cases

Electromagnetic driving module replaces piezoelectric and moving coil designs to resolve reliability and size contradictions in compact screens.

A magnetic bowl uses a composite structure with a high magnetoconductivity reinforcing portion to improve acoustic output.

Segmenting the transducer into injection-molded modules eliminates precise gluing, reducing scrap rates while maintaining acoustic quality.

Opposing magnets drive the display module to vibrate at high frequency, resolving insufficient push force and improving sound quality.

A multifunctional sounding device uses a shared magnetic circuit with a through hole to accommodate a motor assembly.

Direct coil abutment against the diaphragm surface eliminates adhesive gaps, improving vibration energy transmission efficiency and audio quality.

A gas permeable barrier equalizes pressure in the back volume while blocking liquid infiltration through hydrophobic ePTFE.

A multifunction lighting controller modulates power to independent circuits via remote signals.

A speaker design uses a magnetic sensor to detect dual field components for precise vibration unit feedback.

Distributed transducer suspension cones integrate spider components with the magnet structure to enable linear diaphragm motion.

Plastic deformation of terminal protrusions creates crimping force for durable electrical connections without soldering.

Speaker devices act as sensors to record responses, eliminating external measurement equipment complexity while adapting surround sound to room conditions.

Fixing auxiliary magnetic circuits in the housing controls the magnetic gap, improving production accuracy and product consistency.

Replacing fragile lead wires with a stretchable fluid-conductive material prevents fracture under diaphragm excursion.

Segmented magnet subsystems form independent oscillating systems to distribute resonance peaks and flatten frequency response.

Opposing fastening sections on a stage-shaped membrane isolate the central vibrating area, separating tumble modes and reducing fundamental resonance frequency.

A tactile vibration driver uses multiple voice coil and magnet pairs to drive oscillating movement of rigid members relative to suspension members.

An acoustic layer integrates transducers and waveguides to generate enhanced bass audio output within portable computing devices.

A side-firing compression chamber loads the diaphragm with waveguide acoustical impedance to maximize high-frequency sound pressure level output.

Segmented diaphragm suspensions with adjustable stiffness ratios resolve structural stability conflicts while reducing acoustic resistance.

A loudspeaker frame aperture enables direct lead wire connection to link terminals within the internal space.

A collar on the plate outer edge decouples magnetic flux density from center magnet mass, improving high frequency response without increasing inertia.

Inverting the stationary magnet allows a movable magnet to break force equilibrium through elastic support, enabling efficient sound production.

Feedback loop compensates for speaker protection distortions to maintain ultrasound presence detection precision.

A speaker design uses a circumferential air gap to cool the voice coil.

A loudspeaker distributes sound output across adjacent device walls using separate acoustic channels to increase effective port area.

Integrating a variable mass element on the speaker diaphragm resolves poor damping in separate haptic actuators while maintaining full-range audio fidelity.

A stainless steel magnetic frame sealing cap supports the magnetic circuit system, preventing leakage and stabilizing the voice coil.

Audio latency calibration system measures transmission times between separated master and slave speakers to achieve synchronized playback.

Nested hollow space allows vibrating member to oscillate in three dimensions, resolving size constraints that restrict amplitude in thin portable devices.

A vehicle sounding device uses a sound guiding channel to route acoustic energy from the rear cavity to the front outlet.

Recessed endplates with cured b-stage material seal housing interfaces, reducing manual assembly time and costs.

Inner and outer annular yokes provide greater impact length for low frequency sound quality without full power operation.

A hybrid audio system for eyewear devices combines cartilage, bone, and air conduction transducers to deliver comprehensive sound.

An offset acoustic channel connects a receiver to a side surface sound outlet within an electronic device housing assembly.

Segmenting the battery unit into a removable compartment reduces transportation safety hazards while maintaining compact structural integration.

Through holes in support layers contain high thermal conductivity fillers that dissipate voice coil heat, resolving poor conduction in micro speakers.

A head mounted display adjusts vibration signals using motion sensor data to drive haptic feedback.

A speaker upper plate features a bending portion extending toward the yoke to prevent contact with conductive members.

Hot-melt pillars fix the vibration module bracket to the magnetic guiding plate, resolving poor structural strength and drop resistance in waterproof speakers.

Rotatable pitch-adjustment ring with permeable sections aligns to specific sound zones in compact speaker designs.

Opposing spring structures in a headphone driver assembly constrain horizontal magnet movement while permitting vertical displacement.

Audio speaker magnet assembly conducts electrical current through a conductive top plate, eliminating external leads that occupy space and limit magnet size.

Corner support of the piezoelectric diaphragm increases low frequency sound pressure while preventing structural damage from the casing.

Gaussian-distributed piezoelectric elements minimize side lobes and improve directionality, resolving the trade-off between device complexity and precision.

A piezoelectric speaker uses a metamaterial supporting member to absorb resonance and reduce vibration loss.

Perpendicular voice coils in a back-to-back speaker improve leakage effect and reduce height by eliminating vertical interference.

An asymmetric drive angle in a bone conduction speaker reduces high-frequency sound leakage while increasing low-frequency sensitivity.

Integrally formed acoustic coil support stabilizes vibration in bar-shaped transducers.

A unified speaker driver design uses a single magnet for woofer and tweeter circuits to reduce component count.