Number | Name | Date | Kind |
---|---|---|---|
3784750 | Stearns | Jan 1974 | |
4068092 | Ikoma | Jan 1978 | |
4253072 | Fisher | Feb 1981 | |
4696044 | Waller | Sep 1987 |
Number | Date | Country |
---|---|---|
2111356 | Jun 1983 | GBX |
Entry |
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Signal Processing to Improve Speech Intelligibilty in Perceptive Deafness, by Edgar Villchur, The Journal of the Acoustical Society of America, pp. 1646-1657, vol. 53, No. 6, 1973. |
Widlar, R. T., "A New Breed of Linear IC's Runs at 1 Volt Levels", Electronics, Mar. 29, 1979, p. 115. |