Heat spreaders and TIMs conduct heat from speaker electronics into the housing, which passively dissipates it to avoid thermal runaway.
A deformable ring structure amplifies MEMS actuator motion at low bias voltage, cutting size and improving energy efficiency.
By splitting input audio into complementary bands, this crossover circuit extends MEMS speaker range while reducing phase shift and power use.
Axially symmetric radiator segments with phased electrode rings keep surface pressure uniform, widening loudspeaker directivity across frequencies.
Selective level correction balances single-driven diaphragm motion to suppress second-order distortion and improve sound quality.
A tuned organopolysiloxane crosslink structure gives transducer dielectric layers low storage modulus, low loss tangent, and better recovery after stress.
This case uses segmented electrode layers and central dielectric layers to preserve potential differences during vertical stacking.
An RF probe, demodulator, and feedback controller regulate membrane motion for noise cancellation and reliable audio operation.
A polymer speaker uses flexible electrode layers with low modulus of elasticity to vibrate a dielectric layer and produce sound.
A portable electroacoustic device integrates a vibrating system and magnetic circuit within a shell using a soft coupling part to transmit vibrations.
Electrically conductive membrane transducers generate sound via pressurized airflow to replace bulky mechanical cone speakers.
Sheet-like electrodes with outward-facing protrusions reduce electrical discharge in flexible electrostatic speakers.
Asymmetric mass distribution between passive radiators reduces intermodulation distortion and device weight while maintaining effective bass output.
Null plane microphone placement in dipole speakers reduces sound interference, enabling accurate voice recognition at high volumes.
Compound curved stator panels disperse sound waves horizontally and vertically, resolving insulation reliability issues at high voltages.
Replacing rigid electrodes with flexible polymer membranes reduces device weight while maintaining high sound quality.
Segmented diaphragms with distinct vibration characteristics increase sensitivity while preventing contact shorts in compact earphone designs.
Mobile device controller uses speakers as microphones via electromagnetic induction, reducing power consumption during voice command detection.
Self-fusion bonding of a thermoplastic layer secures lead wires to flexible electrode sheets, preventing axial pull-out and peeling without complex adhesives.
A second conductive coating protects the diaphragm edge region from mechanical stress to ensure secure electrical contacting.
Composite binder matrices resolve adhesion trade-offs to improve charge storage stability in thin film speakers.