Canal hearing device with transparent mode

Canal hearing device with tubular insert

Canal hearing device with tubular insert

Canal hearing device with tubular insert

Carbon microphone linearization technique

Cartilage displacing bead, ridge, or key projection

Cellular telephone, personal digital assistant with voice...

Ceramic microphone

Cerumen protection system for hearing aid devices

Circuit and method for adaptation of hearing device microphones

Circuit for reducing audio amplifier noise during powering on an

Closure element for housing openings during a tumbling process

Cochlear implants with a stimulus in the human ultrasonic...

Coder for incorporating an auxiliary information signal in a dig

Combined receiver and ear-canal microphone assembly for a...

Communication device having air-borne and solid-borne transmitti

Communication device using bone conduction

Communication system for a motor vehicle

Communication system for programmable devices employing a circui

Communication system for users of hearing aids