Non-Planar Diaphragms/Cones TRIZ Cases

Separating the motor unit from the speaker unit increases actual back volume while preventing acoustic interference between components.

Radial reinforcing ribs on the diaphragm edge portion increase structural rigidity and suppress inverse resonance between the dome and edge.

A hard dome tweeter uses a T-shaped yoke iron to lower treble resonance frequency and expand bandwidth.

A low-profile hemispherical baffle with an apex orifice transforms directional loudspeaker output into uniform spherical waves.

An air-permeable isolating piece covers a second through hole in a dome to form a leakage groove, preventing liquid ingress while maintaining pressure balance.

A shared yoke magnetic circuit drives dual vibration portions to produce sound in opposite directions, reducing volume and weight compared to separate units.

A diaphragm assembly uses an intermediate patch plate to connect nested diaphragm bodies and enhance mid-high frequency curves.

Center lead extraction prevents rolling motion and uneven displacement, stabilizing frequency characteristics across low frequencies.

Four peripheral drive units replace a central coil in this thin woofer, reducing magnetic circuit saturation and manufacturing cost.

A coaxial loudspeaker integrates a Helmholtz resonator within the woofer cone to create an acoustic low-pass filter.

Annular fold forms M-shaped membrane to increase breakup frequency while maintaining compact chassis depth.

Segmented magnet groups in a speaker reduce magnetic flux leakage while maintaining controlled vibration amplitude for improved low-frequency sound quality.

Carbon fiber paddles shift resonances to higher frequencies, resolving bending issues in compact receivers.

Gradient pocket dimensions in an AMT diaphragm eliminate frequency dependency and resonances without requiring multiple driver systems.

A speaker diaphragm assembly includes a bent avoiding part that creates space for the voice coil lead wire to pass through.

A slender diaphragm uses a curved slant member to enhance structural rigidity and vibration stability.

A micro loudspeaker diaphragm uses a suspension cut-off area to maintain the integrity of its effective operation zone.

An air-permeable isolating piece in the dome structure maintains acoustic performance by preventing liquid entry and foreign matter blockage.

A longitudinal groove in an elastic support absorbs mechanical stress on the flexible conductor, preventing detachment from the fixed frame during operation.

Separating stationary magnet rings from the moving coil reduces vibrating mass, resolving the contradiction between low inertia and high magnetic field density.

Inner and outer connecting rods join four diaphragms without penetration, eliminating air leakage that degrades acoustic performance in thin devices.

Replacing silicon with carbide-coated refractory metals eliminates thermal runaway and substrate contamination during CVD diamond growth.

A speaker unit merges the diaphragm inner portion with the voice coil connection to eliminate double ring structures.

Connecting rods link diaphragms without penetrating them, eliminating air leakage and distortion caused by front-rear cavity communication.

An integrated centering support structure stabilizes voice coil motion, resolving sway issues that degrade low-frequency sound quality.

A composite diaphragm with a metal dome and second dome improves high frequency performance and heat dissipation.

Radial voice coil layout maximizes inner diameter for acoustic performance while reducing height via planar component arrangement.

A compact loudspeaker uses a peripheral magnet ring to generate radial magnetic fields acting on a membrane winding.

A dual diaphragm loudspeaker uses a central magnet assembly to drive two voice coils for compact high power output.

A loudspeaker uses a movable magnet and linking unit to adjust the magnetic field for enhanced sound pressure.

A spiral pipe alarm sound apparatus positions a reflecting wall to enhance acoustic resonance.

A rubber dust-proof ring bonds the voice coil to the cabin top end portion, preventing water and debris from entering the magnetic circuit.

A coaxial speaker employs a divided sound guiding channel to separate treble and bass airflow, resolving interference that weakens high-frequency output.