Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5917668 | Synchronous read channel employing a frequency synthesizer for locking a timing recovery phase-lock loop to a reference frequency | Trent Dudley, Neal Glover, David R. Welland | 1999-06-29 |
| 5909332 | Sampled amplitude read channel employing interpolated timing recovery | Mark S. Spurbeck | 1999-06-01 |
| 5909331 | Synchronous read channel sintegrated circuit employing a fault tolerant sync mark detector and method for recovering an undetectable sync mark | Trent Dudley, Neal Glover | 1999-06-01 |
| 5903857 | Method and apparatus for calibrating an analog filter in a sampled amplitude read channel | Tyson Tuttle, Kent D. Anderson, Trent Dudley, William G. Bliss | 1999-05-11 |
| 5892632 | Sampled amplitude read channel employing a residue number system FIR filter in an adaptive equalizer and in interpolated timing recovery | David R. Welland, Trent Dudley, Mark S. Spurbeck | 1999-04-06 |
| 5867331 | Synchronous read channel processing more than one channel sample at a time to increase throughput | Neal Glover | 1999-02-02 |
| 5862161 | Sampled amplitude read channel with simplified sequence detector matched to partial erasure | David E. Reed | 1999-01-19 |
| 5844911 | Disc storage system with spare sectors dispersed at a regular interval around a data track to reduced access latency | John Schadegg, Neal Glover, Laura Droege Shellhamer, William L. Witt | 1998-12-01 |
| 5844738 | Synchronous read channel employing a sequence detector with programmable detector levels | Kent D. Anderson, Alan J. Armstrong, Trent Dudley, Bill R. Foland, Neal Glover +1 more | 1998-12-01 |
| 5844509 | Synchronous read channel employing a data randomizer | Trent Dudley, Neal Glover | 1998-12-01 |
| 5835295 | Zero phase restart interpolated timing recovery in a sampled amplitude read channel | — | 1998-11-10 |
| 5812334 | Synchronous read channel employing discrete timing recovery, transition detector, and sequence detector | Kent D. Anderson, Alan J. Armstrong, Trent Dudley, Bill R. Foland, Neal Glover +1 more | 1998-09-22 |
| 5802118 | Sub-sampled discrete time read channel for computer storage systems | William G. Bliss, David E. Reed | 1998-09-01 |
| 5796535 | Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer | Tyson Tuttle, Diwakar Vishakhadatta, Jerrel P. Hein, David R. Welland, David E. Reed +4 more | 1998-08-18 |
| 5786951 | Sampled amplitude read channel employing a discrete time noise generator for calibration | David R. Welland, Iuri Mehr | 1998-07-28 |
| 5771127 | Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector | David E. Reed, William R. Foland, Jr., William G. Bliss, Lisa C. Sundell | 1998-06-23 |
| 5760984 | Cost reduced interpolated timing recovery in a sampled amplitude read channel | Mark S. Spurbeck | 1998-06-02 |
| 5761212 | Channel quality | William R. Foland, Jr., Alan J. Armstrong, Neal Glover | 1998-06-02 |
| 5754353 | Channel quality circuit in a sampled amplitude read channel | William R. Foland, Jr. | 1998-05-19 |
| 5754352 | Synchronous read channel employing an expected sample value generator for acquiring a preamble | Trent Dudley, William G. Bliss | 1998-05-19 |
| 5729396 | Fault tolerant sync mark detector enabled relative to a frequency of an acquisition preamble for sampled amplitude recording | Trent Dudley, Christopher P. Zook | 1998-03-17 |
| 5717619 | Cost reduced time varying fir filter | Mark S. Spurbeck | 1998-02-10 |
| 5696639 | Sampled amplitude read channel employing interpolated timing recovery | Mark S. Spurbeck, German Feyh | 1997-12-09 |
| 5623377 | Filtering a read signal to attenuate secondary pulses caused by pole tips of a thin film magnetic read head | Neal Glover, Trent Dudley, Alan J. Armstrong, Christopher P. Zook, William G. Bliss | 1997-04-22 |
| 5576904 | Timing gradient smoothing circuit in a synchronous read channel | — | 1996-11-19 |