P

Inventor

SORDELLO FRANK J

10 patents
⚠️ This page may combine multiple inventors who share the name “SORDELLO FRANK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPERRY RAND CORP

4 patents
US4184108AJan 15, 1980

Self-regulating electronic tachometer

SPERRY RAND CORP18 citations73
US4122501AOct 24, 1978

System for recording and reading back data on a recording media

SPERRY RAND CORP12 citations73
US4051423ASep 27, 1977

Servo system with feedback signal compensation

SPERRY RAND CORP16 citations72
US4003000AJan 11, 1977

Sinusoidal oscillator with electronically variable frequency

SPERRY RAND CORP5 citations62

SPERRY CORP

2 patents
US4188646AFeb 12, 1980

Sectorized data path following servo system

SPERRY CORP68 citations92
US4285015AAug 18, 1981

Method and apparatus for locating a movable servo controlled member during position signal drop-out

SPERRY CORP15 citations73

MEMOREX CORP

2 patents
US4612586ASep 16, 1986

Method for measuring timing asymmetry in a magnetic storage system

MEMOREX CORP20 citations81
US4581664AApr 8, 1986

Disk accessing circuitry

MEMOREX CORP5 citations62

INFORMATION STORAGE SYSTEMS

1 patent
US4006394AFeb 1, 1977

Coarse and fine control for position servo

INFORMATION STORAGE SYSTEMS40 citations90

UNISYS CORP

1 patent
US4796109AJan 3, 1989

Method for testing components of a magnetic storage system

UNISYS CORP15 citations73