Inventor
KNOWLES VERNON L
US17 patents
⚠️ This page may combine multiple inventors who share the name “KNOWLES VERNON L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
7 patentsUS5982711ANov 9, 1999
Device for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage media
HEWLETT PACKARD CO84 citations96
US4775903AOct 4, 1988
Sampled servo seek and track follow system for a magnetic disc drive
HEWLETT PACKARD CO61 citations95
US4823212AApr 18, 1989
Sampled servo code format and system for a disc drive
HEWLETT PACKARD CO121 citations91
US4688118AAug 18, 1987
Servo gain compensation in a disc drive
HEWLETT PACKARD CO7 citations71
US4786990ANov 22, 1988
Servo gain compensation in a disc drive
HEWLETT PACKARD CO18 citations68
US5684653ANov 4, 1997
Method and apparatus for minimizing seek time in a disk drive by increasing power amplifier power based on power amplifier voltage head room
HEWLETT PACKARD CO6 citations62
US5682159AOct 28, 1997
Method and apparatus for reducing phase lag resulting from digital to analog conversion
HEWLETT PACKARD CO2 citations53
HEWLETT PACKARD DEVELOPMENT CO
7 patentsUS6992857B2Jan 31, 2006
Weighting servo signals for head positioning
HEWLETT PACKARD DEVELOPMENT CO41 citations91
US7289289B2Oct 30, 2007
Recording servo stripes onto a servo track
HEWLETT PACKARD DEVELOPMENT CO13 citations83
US7529060B2May 5, 2009
Read and write head element arrangement
HEWLETT PACKARD DEVELOPMENT CO16 citations82
US6937425B2Aug 30, 2005
Head-track alignment
HEWLETT PACKARD DEVELOPMENT CO16 citations81
US7268970B2Sep 11, 2007
Method and apparatus for storing data on magnetic tape
HEWLETT PACKARD DEVELOPMENT CO8 citations66
US7835103B2Nov 16, 2010
Tape drive with variable wrap reversal location
HEWLETT PACKARD DEVELOPMENT CO6 citations63
US7733594B2Jun 8, 2010
Storage device with pulsed motor torque
HEWLETT PACKARD DEVELOPMENT CO2 citations63