Pocket hearing aid

Pocket hearing aid

Polyphonic coding

Poor-scatter pot magnet system for magnetic-dynamic loudspeakers

Portable communication apparatus

Portable stereophone

Portable system for programming hearing aids

Portable system for programming hearing aids

Portable system programming hearing aids

Power direct bone conduction hearing aid system

Power management for hearing aid device

Power-saving mode for hearing aids

Precisely stabilized piezoelectric receiver

Precision low jitter oscillator circuit

Precision micro-hole for extended life batteries

Precision micro-hole for extended life batteries

Predictive scanning input system for rapid selection of visual i

Preprogrammed hearing assistance device with program...

Presence activated hearing assistive system

Press-fit ear wax barrier