Number | Date | Country | Kind |
---|---|---|---|
8926574 | Nov 1989 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3534292 | Cutler | Oct 1970 | |
3881823 | De Lang et al. | May 1975 | |
4278352 | Keller | Jul 1981 | |
4627731 | Waters et al. | Dec 1986 | |
4688940 | Sommargren et al. | Aug 1987 | |
4762414 | Grego | Aug 1988 | |
4767210 | Kashyap | Aug 1988 |
Number | Date | Country |
---|---|---|
0194941 | Sep 1986 | EPX |
0321252 | Jun 1989 | DEX |
2144215 | Feb 1985 | GBX |
Entry |
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Absolute Optical Ranging With 200-NM Resolution by Williams et al. Optics Letter 14 (1989) 1 Jun., No. 11, N.Y. |