Number | Name | Date | Kind |
---|---|---|---|
4177731 | Kliest et al. | Dec 1979 | |
4475829 | Goff, Jr. et al. | Oct 1984 | |
4558965 | Ueda et al. | Dec 1985 | |
4647238 | Ouamoto et al. | Mar 1987 | |
4728206 | Mori et al. | Mar 1988 | |
4787763 | Kondo | Nov 1988 | |
4878773 | Mazumder | Nov 1989 |
Number | Date | Country |
---|---|---|
0063472 | Apr 1986 | JPX |
0199972 | Sep 1986 | JPX |
0016176 | Jan 1987 | JPX |
1416295 | Dec 1975 | GBX |
Entry |
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"Stepper Motor Angular Velocity Detection Circuit", IBM Tech. Discl. Bull., vol. 32 No. 613, Nov. 89, pp. 426-427. |
"Regulated Speed Ribbon Drive", IBM Tech. Discl. Bull., vol. 23, No. 11, 4/81, pp. 4891-4895. |