Call device
Cerumen barrier for custom in the ear type hearing intruments
Circuit arrangement for automatic gain control of hearing aids
Circuit for use in programmable hearing aids
Circuit, audio system and method for processing signals, and a h
Circuit, audio system and method for processing signals, and...
Class D hearing aid amplifier
Class D hearing aid amplifier
Class D hearing aid amplifier with feedback
Class-d BICMOS hearing aid output amplifier
Coil assemblies
Coil assemblies
Combined microphone and magnetic induction pickup system
Communication device for transmitting audio information to a use
Compensation system and method for sound reproduction
contact transducer assembly for hearing devices
Control circuit
Control circuit for controlling reproduced tone characteristics
Cosmetically disguised hearing aid
Cover for behind-the-ear type hearing aids and methods of making