Microphones TRIZ Cases

A MEMS microphone diaphragm integrates a conductive plate within a hermetic dielectric layer to create a reduced-pressure sensing space.

Segmenting the earpiece into a reusable adapter and interchangeable screens reduces material waste from unused variants while maintaining secure fitting.

A speaker rubber cabinet with a surrounding metal connection ring absorbs acoustic energy from the driver.

A vehicle audio system uses a woofer with an infinite baffle and a bass-compatible speaker to produce bass-range acoustic output.

Segmenting the annular rim with non-closed regions reduces deformation amplitude under strong impact, preventing failure while maintaining high sensitivity.

Video conference endpoints generate positional audio metadata by dividing video output into tracking sectors to align sound sources with visual cues.

Wireless in-ear utility device integrates voice recognition and noise cancellation for enhanced audio playback.

A sound recording device connector uses signal correlation to identify external microphone types.

A voice extraction unit shifts microphone channel assignments to maintain noise suppression when array positions change.

A wireless smart earring embeds speaker and microphone circuits within a jewelry housing to enable hands-free audio communication.

A vertical oblong transducer reduces subwoofer housing width while maintaining acoustic output within a compact portable enclosure.

A modular sound wall combines radiating units and absorbing elements to create a flexible acoustic field.

A playback device adjusts microphone array directional focus based on detected orientation to capture sound input accurately.

A boom microphone control module enables wireless voice signal transmission, resolving complexity trade-offs through universal functionality.

Centralized PBX noise filtering eliminates headset distortion and weight by processing audio signals externally with dedicated microphones.

A flat metal loop transducer with continuously varying width resonates across multiple frequencies to transmit tactile vibrations.

A pressure sensor uses distinct magnetic sensing elements to detect varying strain levels across a wide dynamic range.

Convex structures on the elastic component reduce adhesion and increase volume displacement, resolving sensitivity limits in sensing devices.

A noise-cancelling headphone housing unit positions a microphone and vent hole to prevent emitted sounds from being collected by the detection device.

A speaker enclosure vent extends a thermally conductive element to dissipate heat from electronic components.

Comparing bone and air conduction microphone signals filters ambient noise interference, ensuring accurate speech detection in noisy environments.

A lateral mode capacitive microphone design minimizes squeeze film damping through specific spatial relationships and air flow restrictors.

A sound pickup device uses a directional and non-directional microphone pair to capture audio signals for processing.

A microphone channel selector switches active pairs based on device orientation to maintain spatial selectivity.

An airtight back chamber creates pneumatic waves that offset low frequency mechanical vibrations, resolving interference with sound reception quality.

Replacing rigid silicon substrates, this design integrates the piezoelectric actuator directly into the flexible PCB to lower production costs.

Highly doped semiconductor substrate prevents depletion layer formation, reducing parasitic capacitance noise and sensitivity variations.

Cross correlation analysis of multi-microphone arrays detects laser-based audio injection attacks by measuring time delays and signal similarity.

Segmented chambers with a block wall isolate flat drivers to eliminate mutual interference and improve sound quality.

Transparent piezoelectric transducer arrays replace bulky electromagnetic speakers to reduce device weight while maintaining high acoustic output.

Constrained convex optimization determines weighting coefficients for three-dimensional beampatterns in sensor arrays.

Automated beam pattern configuration resolves manual transducer adjustment complexity by estimating listener positions and applying personalized settings.

A hearing device ear dome uses a concave flange to create anti-phase sound pressure, eliminating the need for vents or battery-consuming active cancellation.

System uses ultra-wideband location detection to dynamically up-mix stereo audio into specific speaker channels, eliminating manual configuration complexity.

A current replicator circuit provides power and receives signals via a single interface terminal.

A sound accessory device detects external sounds to control primary audio output.

Printed circuit boards stack to enclose an acoustic cavity while a printed membrane blocks water ingress without complex assembly.

Positioning a grounded metal layer closer to the nozzle than the microphone casing diverts static charge, protecting sensitive audio components from damage.

Position-adjusted directional microphones isolate speech from gradient field noise, ensuring reliable communication during magnetic resonance examinations.

Thermal actuators move sound delay filters in a microphone to resolve the contradiction between noise rejection and sensitivity.

Slits in the membrane layer create stress-relieving beams that redistribute mechanical loads, preventing edge damage from pressure impulses.

Dual comb drives displace a shutter element to modulate ultrasonic signals, resolving actuation distance limits in compact MEMS speakers.

Segmented splitter cables enable mono or stereo audio modes via detachable headset accessories, reducing the need for separate devices.

Slit-patterned absorbing units in MEMS microphones absorb substrate shrinkage variations, preventing vibration membrane deformation and maintaining sensitivity.

Cylindrical corrugated MEMS structures prevent air leakage and maintain sound quality in compact portable devices.

A planar motor drives a user's pinna directly using orthogonal movement of rigid PCB traces between magnets.

A plasma speaker uses atmospheric ionization to transfer momentum directly to air without mechanical moving parts.

A stereo microphone unit uses two interference tubes and a shared windproof cover to capture directional audio signals.

Extension legs support the driver array for elevated voice reinforcement while retracting for compact transport.