Inventor · disambiguated record
Vernon L. Knowles
Also filed as: KNOWLES VERNON · KNOWLES VERNON L
19 granted patents·500 citations·filing 1986–2013
95Inventor score
Files withHEWLETT PACKARD CO7HEWLETT PACKARD DEVELOPMENT CO7HEWLETT PACKARD CORP2FASEN DONALD J1HEWLETT PACKARD ENTPR DEV LP1
Top patents by PatentIndex Score
19 records- 0194US4823212ASampled servo code format and system for a disc driveHEWLETT PACKARD CO·Filed 1986·Granted Apr 18, 1989·121 cites·9 claims
- 0293US6992857B2Weighting servo signals for head positioningHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jan 31, 2006·41 cites·16 claims
- 0393US5982711ADevice for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage mediaHEWLETT PACKARD CO·Filed 1997·Granted Nov 9, 1999·84 cites·5 claims
- 0493US4775903ASampled servo seek and track follow system for a magnetic disc driveHEWLETT PACKARD CO·Filed 1986·Granted Oct 4, 1988·61 cites·32 claims
- 0591US7289289B2Recording servo stripes onto a servo trackHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Oct 30, 2007·13 cites·20 claims
- 0688US5446404ACMOS power-on reset circuitHEWLETT PACKARD CORP·Filed 1994·Granted Aug 29, 1995·48 cites·8 claims
- 0787US5369310ACMOS power-on reset circuitHEWLETT PACKARD CORP·Filed 1992·Granted Nov 29, 1994·45 cites·11 claims
- 0886US7835103B2Tape drive with variable wrap reversal locationHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Nov 16, 2010·6 cites·22 claims
- 0982US7529060B2Read and write head element arrangementHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted May 5, 2009·16 cites·2 claims
- 1081US8432634B2Identifying error built into a mediumMCALLISTER JEFFREY S·Filed 2006·Granted Apr 30, 2013·4 cites·25 claims
- 1180US6937425B2Head-track alignmentHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 30, 2005·16 cites·22 claims
- 1275US7733594B2Storage device with pulsed motor torqueHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Jun 8, 2010·2 cites·20 claims
- 1372US9934812B2Tension feedback for tape tensionHEWLETT PACKARD ENTPR DEV LP·Filed 2013·Granted Apr 3, 2018·2 cites·17 claims
- 1470US7268970B2Method and apparatus for storing data on magnetic tapeHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 11, 2007·8 cites·36 claims
- 1567US4786990AServo gain compensation in a disc driveHEWLETT PACKARD CO·Filed 1986·Granted Nov 22, 1988·18 cites·6 claims
- 1650US8959387B2Tape drive retryFASEN DONALD J·Filed 2012·Granted Feb 17, 2015·0 cites·19 claims
- 1747US4688118AServo gain compensation in a disc driveHEWLETT PACKARD CO·Filed 1986·Granted Aug 18, 1987·7 cites·22 claims
- 1844US5684653AMethod and apparatus for minimizing seek time in a disk drive by increasing power amplifier power based on power amplifier voltage head roomHEWLETT PACKARD CO·Filed 1996·Granted Nov 4, 1997·6 cites·20 claims
- 1926US5682159AMethod and apparatus for reducing phase lag resulting from digital to analog conversionHEWLETT PACKARD CO·Filed 1996·Granted Oct 28, 1997·2 cites·20 claims
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