Number | Date | Country | Kind |
---|---|---|---|
63-240854 | Sep 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4355355 | Butwell et al. | Oct 1982 | |
4521846 | Scalzi et al. | Jun 1985 | |
4654777 | Nakamura | Mar 1987 | |
4979098 | Baum et al. | Dec 1990 | |
4992936 | Katada et al. | Feb 1991 | |
5008811 | Scalzi et al. | Apr 1991 | |
5023777 | Sawamoto | Jun 1991 |
Entry |
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Electronics Engineers' Handbook, second edition, Donald G. Fink and Donald Christiansen, McGraw-Hill Book Company, 1982, pp. 23-23 and 23-24. |