Number | Name | Date | Kind |
---|---|---|---|
3777173 | Landrith | Dec 1973 | |
4506626 | Schurman et al. | Mar 1985 | |
4699081 | Mack | Oct 1987 | |
4700870 | Schleicher et al. | Oct 1987 | |
4712736 | Bray et al. | Dec 1987 | |
4804996 | Snelling | Feb 1989 | |
4876458 | Takeda et al. | Oct 1989 | |
4883019 | Menjo et al. | Nov 1989 | |
4905897 | Rogers et al. | Mar 1990 |
Number | Date | Country |
---|---|---|
144078 | Sep 1980 | DEX |
3438925 | Apr 1986 | DEX |
Entry |
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Masten, L. R., "Understanding Optronics," Texas Instrument Learning Center, 1981, pp. 3-18 to 3-19. |
"Xerox Disclosure Journal" vol. 5, No. 6, p. 669, Nov./Dec. 1980. |