Transducer Details TRIZ Cases

A vehicle speech system allocates sound spaces and assigns directivity to audio signals for distinct conversation partners.

Opposing damper protrusions couple the diaphragm to the frame, reducing excursion weight and distortion in full-range speakers.

A parametric audio encoder applies spatial parameters to filter matrices for stereo signal processing.

Porous elastic member allows air leakage to balance pressure during vibration, improving sound quality without complex valves.

A single thin plate vibratable element integrates distinct regions with non-matching resonance frequencies to eliminate rolling vibrations.

A hearing device processing unit switches between 2.4 GHz and 5 GHz bands to maintain audio signal quality.

A clamshell Faraday cage apparatus generates active noise signals to seal the audio path of enclosed devices.

Strip-shaped reinforcement members with faster sound propagation velocity strengthen the unwound portion of a voice coil bobbin to minimize treble resonance.

An acoustic waveguide directs low-frequency sound to improve privacy and reduce leakage.

A wafer-level interposer connects to a MEMS diaphragm through a small passage aperture, preserving electrical contact area.

Dual-period irregularities on a thermoplastic diaphragm increase adsorption stability by 10-15% while maintaining low frequency response.

A screen sound device uses a hard substrate to transmit vibration from the vibrator directly to the display panel.

Horn-shaped outlets propagate ultrasonic air pulses from actuated films to overcome speaker size limits while maintaining high sound pressure levels.

Segmented packaging isolates the exposed diaphragm from protective resin, resolving the trade-off between microphone sensitivity and structural durability.

Moving a repositionable pole piece along its axis alters magnetic flux, enabling dynamic tone control without changing amplifier drive levels.

Electronic device displays a remote person's image at a specific location to simulate physical presence during communication.

Integrating conductive terminals onto the magnetic yoke eliminates separate mounting features, reducing device volume and complexity.

A vibrating panel assembly integrates an electroacoustic vibrator into a substrate panel to radiate sound.

A wearable vibration converter uses a tensioned thread to transmit mechanical energy from a compact motor to the user's body.

Conductive magnets connect capacitive electro-acoustic transducers in parallel, preventing audio driver burnout from excessive current load.

A voice recognition system for AI robots uses dual microphones to capture user speech and ambient noise simultaneously.

Extending the shell downward creates a sufficient rear cavity without increasing horizontal space, resolving miniaturization constraints.

A smartphone controller acquires and outputs information through a speaker when an alarm sounds.

Asymmetric stiffening portions compensate for wobble movement caused by coil wire placement, restoring stable oscillation symmetry.

Electroactive polymer transducers produce out-of-plane deflections via thickness changes, replacing bulky mechanical couplings required by motors.

Conical press fit joins loudspeaker frame to magnet via snap-in hooks engaging undercuts, reducing production cycle times and increasing productivity.

A vehicle communication system routes audio signals between interior and exterior acoustic zones using dedicated microphones and loudspeakers.

Segmented suspension elements decouple axial compliance from radial centering forces, enabling greater peak-to-peak excursion in compact loudspeakers.

Repositioning the voice coil horizontally along the lateral diaphragm direction maintains vibration space without increasing device height.

Resin-impregnated cotton, polyester, and aramid fibers replace steel wires in speaker dampers, eliminating mold damage while improving sound quality.

Reinforcing ribs in the fixing device maintain structural integrity while optimizing sound pressure distribution across the frequency band.

A MEMS package uses a hydrophobic nanostructure to allow air passage while blocking liquid ingress into the device chamber.

An inclined diaphragm aligns the acoustic output path with the device housing hole to transmit high-frequency sound.

Spiral propagation passages extend acoustic path lengths dozens of times beyond panel thickness, resolving low-frequency diffusion limits in thin profiles.

Voltage monitor detects electrical shorts in aviation headset channels by comparing signal levels against a reference threshold.

A sliding mechanism guides a flexible display between structures to expand screen area within compact electronic devices.

Fabricating microphones within laminate structures eliminates fragile separate assembly steps and reduces packaging complexity.

A ribbon transducer uses a wire suspension to provide mechanical tension and damping without introducing acoustic interference.

Vertical suspension expansion increases acoustic radiation surface area without raising z-height, stabilizing the sound radiating surface in portable devices.

An ultra-thin oliophobic and biofilm-inhibiting coating applied to a hearing aid transducer membrane.

A planar magnetic circuit couples two side-by-side magnets via a yoke to support a diaphragm and voice coil in an electrodynamic transducer.

A double-sided speaker merges two resonance spaces through a shared magnetic conductive carrying plate to enlarge the acoustic cavity.

Processor identifies sound direction to separate external audio from ambient noise, suppressing echo while preserving surrounding acoustic information.

Segmented piezoelectric layers form a stepped structure that concentrates deformation force to improve sound directivity and reduce internal space occupation.

A voice-coil transducer uses two radially concentric magnets to drive a diaphragm within a supporting chassis.

A speaker diaphragm with alternating dense and porous carbon layers provides stiffness and damping.

Hybrid yarn composite diaphragms balance low weight with high stiffness and damping, resolving aluminum limitations.

Varying the top plate thickness compensates for coil displacement effects, reducing non-linear distortion in transducer operations.

Asymmetric dampers on the vibrating portion reduce resonance peaks, flattening sound pressure characteristics.

A vertical coupling structure connects non-adjacent resonators using dielectric layers and via poles to enable flexible arrangement.