P

Assignee

PERTEC CORP

8 patents

Top patents by PatentIndex Score

US3944940AMar 16, 1976

Versatile phase-locked loop for read data recovery

PERTEC CORP41 citations92
US4047158ASep 6, 1977

Peripheral processing system

PERTEC CORP43 citations89
US3940793AFeb 24, 1976

Disk positioning means for a flexible magnetic disk drive apparatus

PERTEC CORP46 citations81
US4041469AAug 9, 1977

CRT key station which is responsive to centralized control

PERTEC CORP9 citations71
US4157507AJun 5, 1979

Electronic system for detecting direction of motion

PERTEC CORP10 citations69
US3972535AAug 3, 1976

Spindle drive motor

PERTEC CORP19 citations66
US3958777AMay 25, 1976

Tape transport reel servomechanism

PERTEC CORP5 citations61
US3953889AApr 27, 1976

Electronic head adjust system for removable magnetic discs

PERTEC CORP10 citations58