Number | Date | Country | Kind |
---|---|---|---|
6201/80 | Aug 1980 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3969615 | Bowers et al. | Jul 1976 | |
4021650 | Ruble | May 1977 | |
4123750 | Leney et al. | Oct 1978 | |
4272818 | McDaniel | Jun 1981 | |
4342077 | Passey et al. | Jul 1982 |
Entry |
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Sloan et al.-"Computerized Manipulator Position Sensing"-IBM Technical Disclosure Bulletin-vol. 21, No. 3, Aug. 1978-pp. 913-914. |