1

Magnet for installation in the middle ear

Year:
1990
Language:
english
File:
PDF, 122 KB
english, 1990
2

Trans-tympanic connector for magnetic induction hearing aid

Year:
1993
Language:
english
File:
PDF, 125 KB
english, 1993
3

Magnetic induction hearing aid

Year:
1989
Language:
english
File:
PDF, 135 KB
english, 1989
4

Touch sensitive hearing aid volume control circuit

Year:
1988
Language:
english
File:
PDF, 122 KB
english, 1988
5

Automatic noise eliminator for hearing aids

Year:
1989
Language:
english
File:
PDF, 145 KB
english, 1989
7

Output Limitation/Compression

Year:
1980
Language:
english
File:
PDF, 838 KB
english, 1980