Number | Date | Country | Kind |
---|---|---|---|
57-139734 | Sep 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3893012 | Lin | Jul 1975 | |
4262240 | Arqi | Apr 1981 | |
4293233 | Hoffman | Oct 1981 | |
4297626 | Chiang | Oct 1981 |
Entry |
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Proceedings Eleventh Annual Symposium on Incremental Motion Control, Systems and Devices, May 1982, p. 295, Kno and Butts. |