Inventor
HAMPSHIRE RANDALL D
US15 patents
⚠️ This page may combine multiple inventors who share the name “HAMPSHIRE RANDALL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY
10 patentsUS5475545ADec 12, 1995
Method for reducing noise during seeks in a hard disk drive
SEAGATE TECHNOLOGY83 citations95
US5305447AApr 19, 1994
Multi-task operating system for a disc drive
SEAGATE TECHNOLOGY48 citations95
US6046878AApr 4, 2000
Object positioning using discrete sliding mode control with variable parameters
SEAGATE TECHNOLOGY48 citations92
US5654841AAug 5, 1997
Detection of mechanical defects in a disc drive using injected test signals
SEAGATE TECHNOLOGY62 citations92
US6115205ASep 5, 2000
Method for adapting seeks of a disc drive transducer to the maximum actuator current available to accelerate and decelerate the transducer
SEAGATE TECHNOLOGY29 citations91
US5835302ANov 10, 1998
Compensating for variations in torque capability of voice coil motors
SEAGATE TECHNOLOGY29 citations91
US5305160AApr 19, 1994
Compensating for variations in torque capability of voice coil motors
SEAGATE TECHNOLOGY44 citations91
US5777816AJul 7, 1998
Data track following method for disc drives
SEAGATE TECHNOLOGY18 citations83
US5329409AJul 12, 1994
Correction of current feedback offset for disc drive servo systems
SEAGATE TECHNOLOGY19 citations73
US5774297AJun 30, 1998
Dynamic compensation of servo burst measurement offsets in a disc drive
SEAGATE TECHNOLOGY15 citations71
SEAGATE TECHNOLOGY LLC
4 patentsUS6768610B1Jul 27, 2004
Microactuator servo system in a disc drive
SEAGATE TECHNOLOGY LLC41 citations92
US6574068B1Jun 3, 2003
Servo control using continuous position error signal with high order polynomial component
SEAGATE TECHNOLOGY LLC17 citations76
US6389384B1May 14, 2002
Servo processor code evaluation using a virtual disc drive
SEAGATE TECHNOLOGY LLC13 citations66
US6198591B1Mar 6, 2001
Multi-task operating system for a disc drive
SEAGATE TECHNOLOGY LLC4 citations62