Transducer Details TRIZ Cases

A double-sided speaker design merges two acoustic chambers into a single volume using overlapping magnetic circuit modules and voice coils.

Imbalanced drive units generate independent frequency and amplitude control, resolving the trade-off between response speed and signal versatility.

A voice coil wound on the inside of a bobbin maintains proximity to a conductive front plate for efficient heat transfer.

An intermediary diaphragm converts laser light to ultrasonic waves, enabling volumetric and surface inspections of complex shapes without object deterioration.

Segmented yokes in vehicle sound generators allow internal vibration while keeping the coil stationary.

Stacked sound chambers and vibrating diaphragms generate audible alerts in sealed medical devices.

A wireless speaker communication method coordinates multiple portable audio devices to deliver optimized acoustic output.

A MEMS microphone system uses a ceramic package base and metal lids to form an acoustic chamber with integrated EMI shielding.

A vibration generator adapts to the curved shape of an unwound display panel to output sound directly to viewers, avoiding interference from walls and ground.

Spectral fingerprint analysis distinguishes human speech from electronic device output to prevent false virtual assistant activations.

Segmented inner and outer magnets establish orthogonal field lines to eliminate voice coil rocking modes in audio drivers.

A linear motor uses a single continuous coil winding to bridge the air gap between magnets, simplifying the internal structure.

Position correction information adjusts audio positional data to match different camera views during transmission.

A magnet-less electromagnetic voice coil actuator uses a pot core structure to generate magnetic fields for audio transduction.

Corrugated support member reinforces voice coil former inner surface, reducing unwanted resonance and shifting vibration out of the audible range.

A concentric acoustic active sensor integrates a camera unit with surrounding sound generation and detection units to align their center axes.

Programmable valves dynamically adjust air column lengths to improve audio quality without increasing device weight or bulk.

Corrugated surface patterns on the ribbon increase mechanical rigidity to suppress partial resonance and improve frequency response fidelity.

Processing the MEMS diaphragm surface to a Hurst exponent below 0.5 with hydrophobic coatings eliminates stiction caused by humidity-induced wetting.

A speaker uses a second ring-shaped body to enhance low-frequency effects and peak power.

A two-microphone voice coder positions sensors to capture distinct signal and noise levels.

A hearing aid system conditions audio signals by isolating streams from recognized sound-emanating objects using extracted audioprints.

Inclined opening section sides redirect ultrasound reflections away from active sensor areas to minimize crosstalk between adjacent vibration regions.

Offset adhesive control grooves on the core cap reduce magnetic reluctance and leakage, increasing flux density in the working air gap.

N-order Fourier series expansion models steering coefficients to reduce computational burden during signal waveform calculation.

A metamaterial structure with zig-zag passages and a membrane member amplifies natural engine sound waves through acoustic resonance.

A loudspeaker magnet structure uses interlocking protrusions and recesses to secure the core cap and shell pot without adhesives.

Decomposing audio signals into diffuse and direct components extracts objects with height metadata to resolve artifacts in immersive upmixing.

A wireless measuring tape stores and plays audio data via a rechargeable battery and electronic speaker.

Arcuate headrest recess securely holds audio headset bands via elastic retention clips, preventing damage from seat pressure and accidental separation.

An intermediary jig aligns the suspension holder inner rim via frame openings, preventing voice coil misalignment and reducing resonance distortion.

A vehicle sound duct routes low-frequency audio from an instrument panel transducer to optimized drive points within the passenger compartment.

Voice transcription assistant filters detected speech before display to reduce user distraction.

Integrating a micropore array into the speaker yoke vents rear cavity gas and blocks dust, eliminating separate damping films.

Anti-phase signal generation removes vibration noise from voice recordings, preserving audio quality during active device operation.

Continuous diaphragm eliminates dust cap to reduce height while circumferential spacer aids assembly.

Integrating the magnetic circuit support into the frame eliminates separate components, reducing speaker weight while maintaining mounting reliability.

An electromagnetic vibrator integrates the suspension edge directly into the vibration sheet via injection molding to simplify assembly.

Overlapping circles with displaced centers flatten signal reproduction characteristics by minimizing resonance fluctuations at natural vibration frequencies.

A stepped back-volume structure increases effective size in compact MEMS transducers, reducing 1/f noise and improving signal-to-noise ratio.

Varying groove depth manages axial forces, reducing stress concentrations and buckling.

A low profile loudspeaker uses a slotted magnetic yoke and rigid spider legs to support voice coil movement within a compact air-gap.

Twisted internal connection lines in an electromagnetic earpiece generate compensating magnetic fields to cancel parasitic leakage.

Segmented voice coils and microcontroller monitoring detect wire breakage, switching signals to maintain sound production reliability.

An injection-molded plastic sealer with leak holes replaces breathable spacers to improve mounting efficiency and acoustic performance.

Segmentation separates audio and data components, allowing the interior lobe to fit the concha without blocking airflow for comfort.

A vibration transmitting member routes mechanical energy from an embedded actuator to a display panel.

Terminal mediation facilitates secure key exchange between Bluetooth sub-headsets, resolving security risks from direct sensitive data transmission.