Number | Name | Date | Kind |
---|---|---|---|
3187185 | Milnes | Jun 1965 | |
3424531 | Bender | Jan 1969 | |
3741654 | Brenholdt | Jun 1973 | |
3832056 | Shipp et al. | Aug 1974 | |
3900260 | Wendt | Aug 1975 | |
4236819 | Green | Dec 1980 | |
4356393 | Fayfield | Oct 1982 | |
4639140 | Lerat | Jan 1987 |
Entry |
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Kanade, Takco & Sommer M., Thomas, "An Optical Proximity Sensor for Measuring Surface Position and Orientation for Robot Manipulation," Robotics Institute Carnegie-Mellon University. |
Mottier, F. M., "Automatic Workpiece Surface Tracker for Laser Cutter," SPIE, vol. 220 Optics in Metrology and Quality Assurance, 1980. |
Burns, Richard H. & Crabtree, Kenneth, "Heterodyne Laser Beam Position Sensor," Feb., 1978. |