Assignee
PERTEC CORP
8 granted patents·183 citations·filing 1974–1978
Top patents by PatentIndex Score
8 records- 0193US3944940AVersatile phase-locked loop for read data recoveryPERTEC CORP·Filed 1974·Granted Mar 16, 1976·41 cites·10 claims
- 0290US3940793ADisk positioning means for a flexible magnetic disk drive apparatusPERTEC CORP·Filed 1974·Granted Feb 24, 1976·46 cites·7 claims
- 0388US4047158APeripheral processing systemPERTEC CORP·Filed 1974·Granted Sep 6, 1977·43 cites·30 claims
- 0476US3972535ASpindle drive motorPERTEC CORP·Filed 1974·Granted Aug 3, 1976·19 cites·7 claims
- 0557US4041469ACRT key station which is responsive to centralized controlPERTEC CORP·Filed 1974·Granted Aug 9, 1977·9 cites·12 claims
- 0650US3953889AElectronic head adjust system for removable magnetic discsPERTEC CORP·Filed 1974·Granted Apr 27, 1976·10 cites·4 claims
- 0749US4157507AElectronic system for detecting direction of motionPERTEC CORP·Filed 1978·Granted Jun 5, 1979·10 cites·3 claims
- 0848US3958777ATape transport reel servomechanismPERTEC CORP·Filed 1974·Granted May 25, 1976·5 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →