Number | Date | Country | Kind |
---|---|---|---|
57-221408 | Dec 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3448284 | Friesecke | Jun 1969 | |
4097750 | Lewis et al. | Jun 1978 | |
4327959 | Minoura et al. | May 1982 | |
4480918 | De Fazio | Nov 1984 |
Number | Date | Country |
---|---|---|
0141505 | Nov 1981 | JPX |
0103009 | Jun 1982 | JPX |
0103008 | Jun 1982 | JPX |
1027457 | Apr 1966 | GBX |
475639 | Oct 1975 | SUX |
Entry |
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IBM Technical Disclosure Bulletin, vol. 15, No. 12, May 1973, pp. 3791-3792, New York, U.S., H. E. Korth et al.: "Position Detection of an Extended Light Spot". |
Proceedings of the Society of Photo-Optical Instrumentation Engineers, vol. 251, "Optical Alignment", Jul. 29-31, 1980, pp. 210-213, Washington, U.S., J. F. Hoose: Alignment System Devices for Medium Repetition Rate Glass Fusion Lasers, Figure captioned, Pointing Focusing Centering Sensor (P.F.C.), p. 211, first paragraph. |