Number | Date | Country | Kind |
---|---|---|---|
3603204 | Feb 1986 | DEX | |
3642828 | Dec 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4025721 | Graupe | May 1977 | |
4063410 | Welling | Dec 1977 | |
4185168 | Graupe | Jan 1980 | |
4187413 | Moser | Feb 1980 | |
4188667 | Graupe et al. | Feb 1980 | |
4228402 | Plummer | Oct 1980 | |
4297677 | Lewis et al. | Oct 1981 | |
4396806 | Anderson | Aug 1983 | |
4425481 | Mansgold et al. | Jan 1984 | |
4633498 | Warnke et al. | Dec 1986 | |
4790019 | Hueber | Dec 1988 | |
4845755 | Busch et al. | Jul 1989 |
Number | Date | Country |
---|---|---|
0064042 | Nov 1982 | EPX |
0082905 | Jul 1983 | EPX |
0168895 | Jul 1985 | EPX |
0176116 | Apr 1986 | EPX |
1938381 | Feb 1971 | DEX |
3027953 | Feb 1982 | DEX |
3431584 | Mar 1986 | DEX |
DE 3527112A1 | Jan 1987 | DEX |
8001632 | Aug 1980 | WOX |
2091065 | Jul 1962 | GBX |
2006559 | May 1979 | GBX |
2016767 | Sep 1979 | GBX |
Entry |
---|
"Programmable Hearing Aid with Multichannel Compression", S. Mangold et al, Scand Audiol 8:121-126, 1979. |
"Study of Multichannel Amplitude . . . Hearing Loss", pp. 524-534; R. P. Lippman et al, J. Acoust. Soc. Am. 69(2), Feb. 1981. |