Number | Date | Country | Kind |
---|---|---|---|
5-048838 | Mar 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3698795 | Flint | Oct 1972 | |
4531809 | Carter et al. | Jul 1985 | |
4838645 | Machler et al. | Jun 1989 | |
4867532 | Stanley | Sep 1989 | |
5015069 | Bryan et al. | May 1991 | |
5026131 | Jannson et al. | Jun 1991 | |
5208700 | Harris et al. | May 1993 | |
5296949 | Pennace | Mar 1994 |
Number | Date | Country |
---|---|---|
2222645 | Nov 1974 | FRX |
2535072 | Apr 1984 | FRX |
60-173510 | Sep 1985 | JPX |
62-61002 | Mar 1987 | JPX |
4-282603 | Oct 1992 | JPX |
2105489 | Mar 1983 | GBX |
995050 | Feb 1993 | SUX |
Entry |
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R. Petit, Electromagnetic Theory of Gratings, Springer-Verlag Berlin Heidelberg, Chapter 6, p. 164 (1980). |