Number | Name | Date | Kind |
---|---|---|---|
3812533 | Kimura et al. | May 1974 | |
4135217 | Jacques et al. | Jan 1979 | |
4188646 | Sordello et al. | Feb 1980 | |
4346413 | Hack | Aug 1982 | |
4348703 | Janosi | Sep 1982 | |
4396959 | Harrison et al. | Aug 1983 | |
4488187 | Alaimo | Dec 1984 |
Entry |
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IBM Journal of Research and Development, Nov. 1974, "Design of a Disk File Head-Positioning Servo", pp. 506-512, R. K. Oswald. |