Number | Name | Date | Kind |
---|---|---|---|
3500449 | Lenz | Mar 1970 | |
4212000 | Yamada | Jul 1980 | |
4233592 | Leichle | Nov 1980 | |
4524347 | Rogers | Jun 1985 | |
4599605 | Froeb et al. | Jul 1986 | |
4603238 | Griswold et al. | Jul 1986 | |
4719449 | Cousseau | Jan 1988 | |
4780703 | Ishida et al. | Oct 1988 |
Entry |
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Fred W. Kear, "How to Select Shaft-Position Encoders", Aug. 31, 1962, pp. 48-51, Electronics. |