Inventor · disambiguated record
Alan J. Armstrong
Also filed as: ARMSTRONG ALAN · ARMSTRONG ALAN J · GLOVER NEAL
15 granted patents·867 citations·filing 1993–2010
95Inventor score
Top patents by PatentIndex Score
15 records- 0198US5844920AThermal asperity compensation using multiple sync marks for retroactive and split segment data synchronization in a magnetic disk storage systemCIRRUS LOGIC INC·Filed 1996·Granted Dec 1, 1998·224 cites·34 claims
- 0298US5701314AOn-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk driveCIRRUS LOGIC INC·Filed 1995·Granted Dec 23, 1997·195 cites·14 claims
- 0395US5761212AChannel qualityCIRRUS LOGIC INC·Filed 1995·Granted Jun 2, 1998·99 cites·31 claims
- 0495US5424881ASynchronous read channelCIRRUS LOGIC INC·Filed 1993·Granted Jun 13, 1995·81 cites·7 claims
- 0592US6005731AChannel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibrationCIRRUS LOGIC INC·Filed 1997·Granted Dec 21, 1999·68 cites·11 claims
- 0692US5812334ASynchronous read channel employing discrete timing recovery, transition detector, and sequence detectorCIRRUS LOGIC INC·Filed 1994·Granted Sep 22, 1998·34 cites·44 claims
- 0788US6021011ASynchronous read channel employing a digital center frequency setting for a variable frequency oscillator in discrete time timing recoveryCIRRUS LOGIC INC·Filed 1997·Granted Feb 1, 2000·30 cites·11 claims
- 0884US7957370B2Synchronous read channelLAKE CHEROKEE HARD DRIVE TECHNOLOGIES LLC·Filed 2008·Granted Jun 7, 2011·4 cites·22 claims
- 0984US5623377AFiltering a read signal to attenuate secondary pulses caused by pole tips of a thin film magnetic read headCIRRUS LOGIC INC·Filed 1994·Granted Apr 22, 1997·40 cites·38 claims
- 1081US6313961B1Method and apparatus for calibrating a synchronous read channel integrated circuitCIRRUS LOGIC INC·Filed 1996·Granted Nov 6, 2001·44 cites·16 claims
- 1180US5844738ASynchronous read channel employing a sequence detector with programmable detector levelsCIRRUS LOGIC INC·Filed 1997·Granted Dec 1, 1998·17 cites·10 claims
- 1279US5978162ASynchronous read channel integrated circuit employing a channel quality circuit for calibrationCIRRUS LOGIC INC·Filed 1997·Granted Nov 2, 1999·23 cites·15 claims
- 1365US8100318B1Joining of tungsten alloysBOSE ANIMESH·Filed 2010·Granted Jan 24, 2012·2 cites·2 claims
- 1458US7379452B2Synchronous read channelBROADCOM CORP·Filed 2001·Granted May 27, 2008·1 cites·23 claims
- 1556US5966257ASynchronous read channel integrated circuit employing discrete time timing recoveryCIRRUS LOGIC INC·Filed 1997·Granted Oct 12, 1999·5 cites·13 claims
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