Inventor

PERAHIA AVRAHAM

10 patents

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

PERTEC COMPUTER CORP

4 patents

US4563653AJan 7, 1986

Servo preamplifier and demodulator chain using transconductance balanced modulators

PERTEC COMPUTER CORP7 citations71

US4425534AJan 10, 1984

Linear motor velocity sensor

PERTEC COMPUTER CORP5 citations60

US4301416ANov 17, 1981

Servo preamplifier and demodulator chain using transconductance balanced modulators

PERTEC COMPUTER CORP4 citations60

US4384309AMay 17, 1983

Closed loop servo demodulator for positioning a servo head

PERTEC COMPUTER CORP1 citations50

SPERRY RAND CORP

2 patents

US4063293ADec 13, 1977

Magnetic head switching matrix with bi-directional current capability

SPERRY RAND CORP9 citations72

US3940636AFeb 24, 1976

Acoustic delay surface wave motion transducer systems with enhanced stability

SPERRY RAND CORP13 citations72

RIOSPRING INC

2 patents

US6903893B2Jun 7, 2005

Energy storage for use in emergency head retraction in disk drives

RIOSPRING INC2 citations58

US6894453B2May 17, 2005

Method and apparatus to measure disk drive head load/unload velocity

RIOSPRING INC2 citations56

ALPS ELECTRIC CO LTD

1 patent

US5418657AMay 23, 1995

Track address detecting means by HDD sector servo method

ALPS ELECTRIC CO LTD18 citations73

SPERRY CORP

1 patent

US4195318AMar 25, 1980

High density bias linearized magnetic recording system utilizing Nyquist bandwidth partial response transmission

SPERRY CORP17 citations72