| Patent | Date |
|---|
Synchronous read channel
Grant 7,957,370 - Behrens , et al. June 7, 2 | 2011-06-07 |
Synchronous Read Channel
App 20080285549 - Behrens; Richard T. ; et al. | 2008-11-20 |
Synchronous read channel
Grant 7,379,452 - Behrens , et al. May 27, 2 | 2008-05-27 |
Synchronous read channel
App 20020075861 - Behrens, Richard T. ; et al. | 2002-06-20 |
Error correction method and apparatus
Grant 6,125,469 - Zook , et al. September 26, 2 | 2000-09-26 |
Synchronous read channel employing a digital center frequency setting for a variable frequency oscillator in discrete time timing recovery
Grant 6,021,011 - Behrens , et al. February 1, 2 | 2000-02-01 |
Channel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibration
Grant 6,005,731 - Foland, Jr. , et al. December 21, 1 | 1999-12-21 |
Sychronous read channel
Grant 5,991,107 - Behrens , et al. November 23, 1 | 1999-11-23 |
Synchronous read channel employing a frequency synthesizer for locking a timing recovery phase-lock loop to a reference frequency
Grant 5,917,668 - Behrens , et al. June 29, 1 | 1999-06-29 |
Magnetic disc recording system employing two stage actuators for simultaneous accesses through multiple recording heads
Grant 5,901,010 - Glover , et al. May 4, 1 | 1999-05-04 |
Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping
Grant 5,875,200 - Glover , et al. February 23, 1 | 1999-02-23 |
Write verify method for correcting unrecoverable sectors in a disc storage system using track level redundancy
Grant 5,872,800 - Glover , et al. February 16, 1 | 1999-02-16 |
Sampled amplitude read channel for processing multiple data streams in a disc storage system
Grant 5,852,524 - Glover , et al. December 22, 1 | 1998-12-22 |
Disc storage system with spare sectors dispersed at a regular interval around a data track to reduced access latency
Grant 5,844,911 - Schadegg , et al. December 1, 1 | 1998-12-01 |
Synchronous read channel employing a sequence detector with programmable detector levels
Grant 5,844,738 - Behrens , et al. December 1, 1 | 1998-12-01 |
Synchronous read channel employing a data randomizer
Grant 5,844,509 - Behrens , et al. December 1, 1 | 1998-12-01 |
Sector and track level error correction system for disc storage systems
Grant 5,844,919 - Glover , et al. December 1, 1 | 1998-12-01 |
Thermal asperity compensation using multiple sync marks for retroactive and split segment data synchronization in a magnetic disk storage system
Grant 5,844,920 - Zook , et al. December 1, 1 | 1998-12-01 |
Synchronous read channel employing discrete timing recovery, transition detector, and sequence detector
Grant 5,812,334 - Behrens , et al. September 22, 1 | 1998-09-22 |
Channel quality
Grant 5,761,212 - Foland, Jr. , et al. June 2, 1 | 1998-06-02 |
Interleaved redundancy sector for correcting an unrecoverable sector in a disc storage device
Grant 5,751,733 - Glover May 12, 1 | 1998-05-12 |
Method for correcting unrecoverable sectors using track level redundancy in a disc drive storage system
Grant 5,701,304 - Glover , et al. December 23, 1 | 1997-12-23 |
Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping
Grant 5,659,557 - Glover , et al. August 19, 1 | 1997-08-19 |
Filtering a read signal to attenuate secondary pulses caused by pole tips of a thin film magnetic read head
Grant 5,623,377 - Behrens , et al. April 22, 1 | 1997-04-22 |
Error correction method and apparatus
Grant 5,602,857 - Zook , et al. February 11, 1 | 1997-02-11 |
Synchronous read channel
Grant 5,424,881 - Behrens , et al. June 13, 1 | 1995-06-13 |
General purpose, hash-based technique for single-pass lossless data compression
Grant 5,406,279 - Anderson , et al. April 11, 1 | 1995-04-11 |
Fast and efficient circuit for identifying errors introduced in Reed-Solomon codewords
Grant 5,384,786 - Dudley , et al. January 24, 1 | 1995-01-24 |
Timing recovery circuit for synchronous waveform sampling
Grant 5,359,631 - Behrens , et al. October 25, 1 | 1994-10-25 |
Digital pulse detector
Grant 5,329,554 - Behrens , et al. July 12, 1 | 1994-07-12 |
Method and apparatus for reduced-complexity viterbi-type sequence detectors
Grant 5,291,499 - Behrens , et al. March 1, 1 | 1994-03-01 |
Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping
Grant 5,280,488 - Glover , et al. January 18, 1 | 1994-01-18 |
Low data delay triple coverage code apparatus for on-the-fly error correction
Grant 5,268,908 - Glover , et al. December 7, 1 | 1993-12-07 |
Fast remainder decoding for a Reed-Solomon code
Grant 4,839,896 - Glover , et al. June 13, 1 | 1989-06-13 |
Reed-Solomon code encoder and syndrome generator circuit
Grant 4,777,635 - Glover October 11, 1 | 1988-10-11 |
Shared circuitry for the encoding and syndrome generation functions of a Reed-Solomon code
Grant 4,763,332 - Glover August 9, 1 | 1988-08-09 |
Error detection system
Grant 4,564,941 - Woolley , et al. January 14, 1 | 1986-01-14 |
Error-correction code for digital data on video disc
Grant 4,564,945 - Glover , et al. January 14, 1 | 1986-01-14 |
Shared encoder/decoder circuits for use with error correction codes of an optical disk system
Grant 4,562,577 - Glover , et al. December 31, 1 | 1985-12-31 |
| 