Number | Date | Country | Kind |
---|---|---|---|
196 19 459 | May 1996 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4626687 | Nora et al. | Dec 1986 | |
4697081 | Baker | Sep 1987 | |
4933559 | Tamura et al. | Jun 1990 |
Entry |
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Boylestad et al. "Electronic Devices and Circuit Theory" p. 630, 1972. |