Pressure compensated communication system
Pressure pickup head
Pressure ring for ear cover
Pressure sensitive signal generator using piezoelectric coating
Pressure sensor device for plezoelectrical wave and of...
Pressure tolerant transducer
Prestressed glass piezoelectric power source
Priority mixer control
Procedure and equipment to improve the audio quality in a...
Process and device for lowering the resonance frequency of...
Process and device for transmitting sound
Process and hearing aid for compensating hearing defects
Process and transducers for emitting in a liquid acoustic...
Process and transducers submerged in a fluid for emitting...
Process for controlling a programmable or program-controlled...
Producing and storing hearing profiles and customized audio...
Production of shaped diaphragms for electroacoustic transducers
Programmable auditory prosthesis with trainable automatic...
Programmable earpiece
Programmable headset, programming apparatus and method