Plane Diaphragms TRIZ Cases

A rotatably mounted diaphragm aligned to a node axis reduces breakup resonance and improves audio transducer sound quality.

A node-axis rotational diaphragm with compliant suspension reduces breakup resonance and vibration transfer for cleaner audio reproduction.

Multiple magnets around the pole piece strengthen flux in the air gap, boosting voice-coil force, sound quality, and speaker efficiency.

A composite transparent piezoelectric layer lets thin display panels produce sound while preserving clarity and piezoelectric performance.

A nested dual-voice-coil magnetic layout improves inner coil space use, shortens speaker length, and balances woofer diaphragm drive.

Notched yoke and frame positioning plus an intermediary circuit board improve loudspeaker bonding, concentricity, and magnetic gap control.

A single-step speaker module assembly combines the monomer and housing build to cut cost, ease alignment, and improve cavity sealing.

A shared attachment plane for the spider and surround improves cone alignment, excursion stability, and high-frequency speaker response.

A segmented magnet and coil layout changes sounder height by adjusting only secondary magnets, preserving acoustic performance.

A tuned adhesive-to-membrane area ratio helps this acoustic vent block liquid and particulates while preserving gas flow and sound transmission.

An integrated diaphragm structure keeps two coaxial sound units concentric, improving sound quality during assembly.

A dual-region speaker membrane uses a tuned breakup frequency to mitigate cavity resonance, preserving diaphragm area and reducing distortion.

Crossed diaphragm grooves create sound tunnels while regional thickness and bar reinforcement balance bright treble with mellow bass.

A second-compliance connector links voice coils to create a higher resonance, improving response and reducing high-frequency power use.

A grooved yoke cover and base form an air duct that tunes resonance while preserving magnetic flux in a compact speaker magnetic circuit.

This case combines inner treble and outer bass vibration systems with one magnetic circuit to reduce height and cost.

This speaker case integrates conductive portions into the diaphragm to connect the voice coil, reducing lead breakage and FPC assembly.

A loudspeaker circuit board uses a groove and notch to control excess glue and improve voice coil positioning and bonding.

Segmented voice coils and magnetic circuits reduce thickness while maintaining bass performance in thin electronic devices.

A planar dynamic transducer uses a magnet arrangement with varying opening degrees to balance acoustic transparency and drive power.

A dual diaphragm transducer with a common rear volume enables dynamic beam forming and mode switching.

Segmented porous block with 3-nm adsorption and 6-nm circulation pores prevents bond penetration via film, maintaining sound pressure levels in slim enclosures.

Opposing diaphragms in a single loudspeaker neutralize keyboard vibrations while maintaining low-frequency acoustic output.

Integrates acoustic vibration element into panel bottom member structure to eliminate separate speaker components and reduce device complexity.

An integrated synthetic resin guide damper improves sound energy transfer and adhesive strength while reducing manufacturing costs for plate speakers.

Segmented helical lead wires distribute mechanical stress uniformly and reduce speaker footprint by routing through the voice coil assembly.

Slit-based speakers leverage diffraction to widen the sweet spot, resolving the trade-off between thin device profiles and audio directivity.

An intermediary gasket separates the flexible circuit board from the auxiliary diaphragm, reducing interference noise and increasing vibration amplitude.

Rear-facing tweeters in this coaxial speaker reduce front cavity resonance energy loss while ensuring waterproof tweeter units.

Segmenting acoustic units on opposite frame sides resolves the volume versus performance trade-off while maintaining structural stability.

Radial permanent magnets concentrate magnetic flux to maintain sound pressure levels while reducing transducer thickness.

Vertical membrane coupling to cantilever free ends increases sensing area, resolving the contradiction between compact dimensions and low sensitivity.

A micro-speaker device uses a dual suspension system to absorb vibrations generated by the diaphragm and voice coil assembly.

Directly attaching frameless winding voice coils to the diaphragm reduces vibration mass and improves space utilization in the magnetic gap.

A supplementary earpiece compensates for acoustic defects in a moving display screen to ensure smooth frequency response.

Convex and concave intermediate sections in a loudspeaker membrane reduce harmonic distortion while minimizing mounting space requirements.

Discrete protrusions on a detachable connection frame reduce stress on the display panel, preventing sound distortion and abnormal noise during vibration.

A flat circuit board abuts the treble voice coil to provide rigid mounting and electrical connection within a coaxial speaker assembly.

External back volume increases acoustic compliance in balanced armature receivers, reducing stiffness and enhancing sound output without enlarging the device.

A full-bandwidth dual-sided speaker device uses three vibration assemblies to produce coordinated sound across low, mid, and high frequency ranges.

An alternating stacked arrangement of magnet and acoustic units increases sound pressure by synchronizing diaphragm deflection while managing device complexity.

Mass balancing lines and X-shaped fan-out leads eliminate cutting oscillation by matching the vibrating region's mass center.

Integrating planar coils on laminated substrates reduces structural complexity while maintaining sound power output.

Segmented holes and nested panel layers transmit sound through the display structure, resolving blocking issues while maintaining structural integrity.

Stamped metal contact with elastic arm engages frame protrusion to secure electrical connection without soldering.

Drop ring connects diaphragm to spider at resonant node, reducing subwoofer depth while maintaining mechanical stability.

A speaker design increases voice coil circumference using a protruding second portion to enhance acoustic performance.

A speaker unit magnetic front cover optimizes magnetic field distribution to increase voice coil BL value.

Segmenting the drive structure via a separation slot increases sound pressure levels in miniaturized smart terminal speakers.