Microphones TRIZ Cases

A voice controlled assistant integrates a light indicator on a control knob to provide visual feedback.

Dynamic voltage adjustment in wireless earphone charging circuits improves energy efficiency from 60% to over 97% by matching output to battery state.

An articulating bone conduction transducer pivots on a hinge to maximize contact with the temporal bone.

A MEMS microphone structure bonds a first substrate with an acoustic component to a second substrate containing a CMOS circuit via conductive bonding structures.

Sound guide channels redirect speaker output downward to achieve 360° surround sound while maintaining slim display profiles.

A dynamic valve layer with a deformable flap portion relieves air pressure on the diaphragm to reduce harmonic distortion and enhance low-frequency sensitivity.

Earphones monitor terminal data synchronously to reduce power consumption while preventing signal interference from dual response signals.

An inclined speaker array directs sound beams toward a ceiling surface to create height channels.

An adaptive noise suppression system estimates speech loss distortion to dynamically adjust enhancement filters for audio signals.

A speaker panel articulates between retracted and extended positions to optimize air movement.

Acoustic sensing payload extracts signals using adaptive filtering algorithms to resolve weight and precision contradictions.

Variable thickness cushions with cantilevered support members conform to head contours for improved acoustic sealing.

A linear microphone array uses non-uniform spacing to process merged sound signals via time-domain filters.

A bridge spans an acoustic insulation trench in a microelectronic device, enabling electrical connection while maintaining wave transmission.

An electrostatic actuator displaces dielectric fluid via conductor attraction to reorient vehicle speakers, replacing complex mechanical linkages.

Electret-coated mesh filters capture contaminants in MEMS access ports, maintaining signal quality while blocking small particles.

A vehicle speaker array adjusts a virtual sound source position based on detected occupant posture to maintain acoustic alignment.

A non-axisymmetric phase plug guides sound waves through asymmetric waveguides to maintain phase coherence without horn expansion.

Beam forming synthesizes virtual sound sources from position data, reducing transmission line resources while maintaining natural acoustic localization.

An optical filter with spatially varying transmittance compensates for reflected light position errors, improving measurement precision and dynamic range.

A tone wood headphone cup uses a resonant chamber to shape acoustic tonality.

Charging case outputs sound signals via internal speaker while earphones charge, enabling continuous media playback during power replenishment.

A cognitive audio filtering system separates and amplifies specific sound sources using microphone arrays.

Vacuum chambers eliminate air viscosity noise, enabling high sensitivity and compact package sizes.

Separating acoustic drivers from the ear via waveguides resolves the trade-off between high-fidelity audio delivery and ambient noise awareness.

A flexible accessory holds wireless earbuds and charges them via internal battery components.

Detects earphone relative position to switch between binaural and monaural signal processing modes.

An external magnet unit vibrates a concave diaphragm that nests a noise pickup microphone, reducing driver thickness while maintaining noise cancellation.

Complementary speaker units expand high frequency audible range while maintaining sound quality by preventing interference.

Adaptive gain control corrects frequency spectra to suppress wind noise in microphone audio signals.

Partitions separate speakers into semi-connected sub-spaces, preventing vibration airflow interference and energy attenuation at specific frequency bands.

Digital microphones use reverse polarity connections to generate directional patterns for vehicle emergency calls.

A digital loudspeaker uses a piezoelectric array of transducers to reconstruct sound directly from digital signals.

Segmented emission fingers reduce acoustic distortion while maintaining a compact volume for hearing devices.

A dual microphone system segments audio frequencies with low pass and high pass filters to reduce shadowing effects from laptop obstructions.

A directional microphone system switches between beamformed and reduced-noise signals to mitigate wind interference.

Recessed substrate regions minimize adhesive forces and prevent membrane stiction during high-pressure impulses.

Dual microphones detect head orientation to route audio signals automatically, resolving manual control bottlenecks.

Beamforming algorithms process transducer outputs to suppress extraneous noise and determine correlation accuracy between distributed sources.

Dynamic gain control monitors voice coil inductance to prevent excessive amplitude, protecting miniature speakers from overheating damage.

Radial etch channels in the counter electrode homogenize etchant distribution and reduce parasitic capacitance, improving measurement accuracy.

Stacked sub-packages with connected cavities improve yield and reliability while increasing sound pressure level in fragile MEMS devices.

A headphone housing with an open end uses a sound delaying unit to manage acoustic paths near the dominant opening.

Curved speaker drivers resolve directivity variations by time-aligning sound waves for consistent quality across frequencies.

A head-worn audio communication system manages open or closed channels through a handle mechanism for selective user interaction.

Segmented housing isolates the inner microphone from external noise while a larger back hole increases low frequency sound pressure.

A hybrid horn microphone array directs sound waves to an instrument using acoustic wave guidance.

A unitary metal clip with side flanges and a pocket flange secures body-worn communication devices.