Information Storage Systems Inc
InformatioActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4019205A | Disc drive with rotary access mechanism | Expired / Lapsed | 1974-09-16 | 1977-04-19 | 5 | Details |
| US4006394A | Coarse and fine control for position servo | Expired / Lapsed | 1974-11-18 | 1977-02-01 | 5 | Details |
| US3893178A | Synchronization of multiple disc drives | Expired / Lapsed | 1973-12-19 | 1975-07-01 | 4 | Details |
| US3864740A | Track following servo system | Expired / Lapsed | 1973-11-05 | 1975-02-04 | 8 | Details |
| US3806254A | Agc servo system having error signal responsive to a non-ex… | Expired / Lapsed | 1971-12-08 | 1974-04-23 | 2 | Details |
| US3737883A | Linear positioning apparatus for memory disc pack drive mec… | Expired / Lapsed | 1971-08-18 | 1973-06-05 | 19 | Details |
| US3728699A | Apparatus for synchronizing oscillation of read/write heads… | Expired / Lapsed | 1971-08-16 | 1973-04-17 | 7 | Details |
| US3659175A | Circuit to prevent oscillation in an electronic servosystem | Expired / Lapsed | 1970-06-08 | 1972-04-25 | 10 | Details |
| US3597750A | Servo with agc for positioning a magnetic head | Expired / Lapsed | 1969-01-21 | 1971-08-03 | 9 | Details |