Microphones TRIZ Cases

Local signal processor generates immediate acknowledgement output before main processor activation, reducing command response delay.

A head-mounted display uses rotatable arms to manage image and sound output based on device orientation.

Holes in the voice coil former extend the compression cavity to bypass the magnetic gap with lower impedance.

Headset orientation sensors determine spatial coordinates of personnel and environmental elements for precise audio rendering.

A ceiling speaker assembly uses a horn cavity to match acoustic impedance and disperse sound waves efficiently.

Circular bidirectional microphone array uses beamforming and gainsharing mixing to capture audio signals from specific polarity zones.

A covert sports communication system transmits coded audio track selection signals to a receiver worn within headgear for instant playback of instructions.

Vertical and horizontal microphone arrays determine sound source degrees of arrival to adjust gain and suppress unwanted noise.

Audio capture device selects microphone signals based on wet or dry status detection to generate mono or stereo output.

Hearing aid system encodes amplitude and phase data for binaural noise reduction using low bit-rate transmission.

Dual waveguide microphone assembly uses distinct port impedances to achieve high directivity while reducing self-noise from multiple sensors.

Movable drivers adjust position along arcs to resolve audio accuracy issues caused by unique ear geometry variations.

A headset uses an optical transceiving unit to transmit microphone signals through a rotatable joint.

Conformable silicone rubber band deflects laterally to engage a beveled enclosure surface and form an airtight acoustic radiator interface.

A spatial audio apparatus receives an audio object from a wirelessly connected remote device to enhance signal quality.

Porous damping materials in a haptic cushion prevent mechanical resonances while maintaining balanced tactile sensation and effective bass reproduction.

Protruding back plate stoppers resist air flow through sound holes, preventing vibration electrode film deformation under excessive pressure.

Inductive sensing replaces mechanical switches by detecting magnetic field changes from the user's ear, eliminating manual power button operation.

A personal audio system uses a processor to identify annoyance noise classes and apply band-reject filters tuned to fundamental frequencies.

A modular array microphone system uses interconnected units to enable flexible configuration and steerable audio pickup patterns.

Vacuum chamber eliminates air viscosity while electret layer creates high electric field, improving signal-to-noise ratio in compact MEMS microphones.

A cylindrical microphone housing uses two stable positions to toggle radio communication and mute status.

A sensor triggers an actuator to extend a microphone rod, reducing background noise pickup during calls.

3D printing monolithically integrates conductors into a microphone package, reducing manufacturing complexity for flexible mounting configurations.

Wall-mounted processor generates custom brown noise to mask toilet and bidet frequencies, eliminating user selection errors for reliable privacy.

An integrated substrate inductor layer filters RF signals to prevent audio band demodulation while maintaining electrostatic discharge robustness.

An audio system adjusts speaker tuning parameters based on movable room-defining components to maintain optimal sound quality.

A sound reproducing apparatus combines omnidirectional and directional speakers to deliver audio signals.

A recessed sanding shield with a sloped spackle rim protects in-wall components during surface finishing.

A microphone array selects target combinations and applies pre-calculated signal compensation parameters to restore planar array characteristics.

Elastic metal filament rear-hook assembly adapts to head sizes while integrating electrical connections for stable wear.

Stacked cavities fluidly connect to enlarge the back volume, resolving signal quality limits in compact hearing aid packages.

Sound pipe guides acoustic energy from distal location to microphone, resolving mounting flexibility constraints without compromising signal reception.

Substrate recesses house MEMS devices to increase back volume, resolving sensitivity limits caused by compact component spacing.

Arched flanges in the suspension element provide low axial stiffness and high lateral stiffness, resolving vibration isolation trade-offs.

A rigid open-pore adsorptive insert transports air through interconnected macropores to bonded particles within a speaker back volume.

Segmentation and extraction principles enable a universal hat mount that powers electronics via solar panels while maintaining secure attachment.

Radial component placement reduces front cavity volume and speaker-to-eardrum distance, resolving size constraints while maintaining wearing stability.

Replacing flexible printed circuit boards with injection-molded terminals reduces assembly complexity and improves sealing reliability against air leakage.

Signal processing switches microphone pairs to maintain consistent audio quality despite varying driver or passenger sizes.

Segmented magnetic attachment anchors the device to prevent dislodging during movement.

An optical microphone system uses a membranous mirror and photodetector to generate frequency-modulated signals from acoustic inputs.

A microphone cover uses specific metal thickness and thermal diffusivity to shield internal components from radio frequency interference.

Perimeter reference microphones adjust signals to mitigate wind interference, improving ambient sound pickup accuracy.

A seat notification device uses a sweep signal generator to produce resonance sweep signals that excite the seat structure.

A vehicle loudspeaker uses a transducer to excite a passive radiator inside an enclosure, radiating sound through an external duct.

A coprime microphone array uses sparse subarrays to generate sound localization information.

A robot uses segmented microphone arrays to achieve omnidirectional sound source localization without restricting head movement.

A loudspeaker system uses a camera to photograph the acoustic space and calculate directional control angles for speaker units.