Non-Planar Diaphragms/Cones TRIZ Cases

A pre-apertured workpiece is compressed between forming tools to limit sidewall thinning and tearing in audio transducer diaphragms.

A clamping portion replaces glue-only assembly to lock the speaker magnet assembly in place, improving magnetic circuit reliability and acoustics.

Air-pressure stabilization keeps a negative-stiffness audio transducer efficient while correcting diaphragm position drift and instability.

A curved diamond speaker dome with an angled peripheral body improves microwave plasma CVD uniformity, film quality, and break-up frequency.

Stacked main and auxiliary magnets create interconnected gaps that reduce wasted coil space and raise speaker sensitivity and loudness.

Controlled drying concentrates carbon black near the diaphragm surface, improving weather resistance without adding weight or harming sound quality.

Two opposed diaphragms driven in unison reproduce rotational and vibrational sound components for a more immersive loudspeaker output.

Distributed magnets inside the AMT diaphragm strengthen flux across a large gap while removing pole-piece obstructions that hurt high-frequency response.

Separate front and rear plates secured to the magnet cut magnetic gaps, improve flux efficiency, and reduce loudspeaker distortion and resistance.

Magnetic structures near the voice coil create negative stiffness to offset trapped-air resistance and improve low-frequency speaker output.

Stacked main and auxiliary magnets connect dual voice-coil gaps to use wasted coil-bottom space and raise speaker sensitivity and loudness.

A tapered back space cuts acoustic resistive load, raising Helmholtz resonance while preserving output sensitivity and limiting foreign matter intrusion.

A tapered back space widens toward the duct to cut acoustic resistive load and improve low-tone output sensitivity in vehicle loudspeakers.

Localized 3D deformation structures turn large diaphragm resonance into small-area vibration, reducing formants and improving frequency response.

Elastic arms in a metal damper isolate the speaker base and magnetic assembly to prevent diaphragm and voice coil skewing at high power.

Split upper voice coils flank the lower coil to reduce device width, balance electromagnetic force, and prevent mutual interference.

Replacing the sounding device skeleton with reinforcement parts stabilizes the voice coil connection while simplifying assembly and reducing weight.

A stacked magnetic circuit and support plate connect a second voice coil while preserving structural integrity and improving acoustic output.

A localized diaphragm protrusion strengthens the speaker structure, suppresses split modes, and improves sound pressure.

Opposite landing surfaces connect the lead wire and voice coil while the strip enables a snug stiffening-element fit.

This bass loudspeaker uses concentrated magnetic flux and suspension placement to support a heavier voice coil with reduced rocking.

This case merges two compression-driver assemblies around one annular magnet to reduce cost, time delay, and high-frequency combing.

A loudspeaker supporting structure connects the voice coil to the diaphragm rim to provide mechanical stability.

A ring-shaped control member with pass spaces guides sound waves from a vibrating member to suppress diagonal front interference and maintain treble pressure.

Adhesive discontinuities in a vented audio transducer fluidly couple internal volumes, reducing intermodulation distortion by up to 40%.

Through-holes in the coil bobbin allow magnetic fluid circulation, preventing scattering and ensuring stable signal reproduction.

A hybrid receiver integrates moving armature and coil technologies within a shared magnetic circuit to generate sound.

Wider connecting member improves adhesion strength and eases manufacture while reducing speaker size.

Extending stiffeners across the intermediate section strengthens curved edges, resolving instability caused by weak structural support in conventional designs.

A stacked annular speaker structure generates air pressure resonance through a nested passive radiation unit to produce outward sound waves.

Amorphous compressed skins-tensioned core diaphragm manages energy loss through controlled impedance variations.

Radial and circumferential modulations suppress non-pistonic modes, enabling larger radiating areas without mechanical failure.

First and second corner wrinkles on a diaphragm edge resolve twist, swing, and distortion to enhance acoustic performance.

Varying voice coil layer heights reduces the diaphragm bonding area, preventing adhesive overflow into the magnetic gap while maximizing driving force.

Mounting a vibration generator on a spare tire generates sound pressure, eliminating bulky speaker enclosures to reduce vehicle weight and cost.

A sounding device diaphragm integrates a protruded platform to stabilize the voice coil connection without additional skeleton parts.

A loudspeaker motor magnetic circuit uses a low AC permeability center pole piece to stabilize voice coil inductance.

Repositioning lower fixing arms on the long edge of the voice coil increases width for fixation while maintaining up-and-down amplitude stability.

Routing the inner voice coil leading wire along the outer coil to a flexible circuit board prevents disconnection during vibration.

Gradient stress distribution and rough surface features reduce surface acoustic wave reflection in speaker diaphragms.

CVD diamond speaker domes use surface coatings to suppress resonances while maintaining low mass.

Magnetic distributed mode actuators excite panel vibrations to solve poor acoustic efficiency in conventional loudspeakers.

A continuous primary diaphragm integrates a reinforcing ring to provide localized strength without increasing mass.

A speaker suspension reinforcement assembly stabilizes the vibration diaphragm to prevent rocking motion caused by manufacturing deviations.

A non-planar polycrystalline diamond speaker dome uses controlled thickness variation to enhance mechanical integrity.

Segmented motor and housing modules with folded sheet sidewalls resolve manual assembly bottlenecks to improve manufacturing speed.