Number | Date | Country | Kind |
---|---|---|---|
87 15420 | Nov 1987 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4096566 | Borie et al. | Jun 1978 | |
4137562 | Boeck et al. | Jan 1979 | |
4241411 | Krasner et al. | Dec 1980 | |
4644461 | Jennings | Feb 1987 | |
4672530 | Schuss | Jun 1987 | |
4675803 | Kendall et al. | Jun 1987 | |
4884204 | Seibt et al. | Nov 1989 |
Number | Date | Country |
---|---|---|
147857 | Jul 1985 | EPX |
236762 | Sep 1987 | EPX |
2157860 | Oct 1985 | GBX |
Entry |
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Electronique et Appl. Indust. No. 284, May 1980, pp. 39-42; P. Schwartz. |
Patent Abstracts of Japan, vol. 8, No. 105 (P-274) [1524], May 17, 1984. |
IEEE Transactions on Industrial Electronics, vol. IE-29, No. 3, Aug. 1982, pp. 202-206; J. Tenenbaum et al. |