Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844919 | Sector and track level error correction system for disc storage systems | Neal Glover, John Schadegg, William L. Witt | 1998-12-01 |
| 5838738 | Coding to improve timing recovery in a sampled amplitude read channel | — | 1998-11-17 |
| 5822337 | Programmable redundancy/syndrome generator | Neal Glover | 1998-10-13 |
| 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 |
| 5793548 | Fault tolerant sync mark detector for comparing a sign and magnitude of a detected sequence to a target sync mark in sampled amplitude magnetic recording | — | 1998-08-11 |
| 5786950 | PR4 sampled amplitude read channel employing an NRZI write modulator and a PR4/NRZI converter | David E. Reed | 1998-07-28 |
| 5761220 | Minimum latency asynchronous data path controller in a digital recording system | — | 1998-06-02 |
| 5737142 | Servo track address channel code for PR4 magnetic recording | — | 1998-04-07 |
| 5729396 | Fault tolerant sync mark detector enabled relative to a frequency of an acquisition preamble for sampled amplitude recording | Trent Dudley, Richard T. Behrens | 1998-03-17 |
| 5727003 | Method and apparatus for flash burst error correction | — | 1998-03-10 |
| 5724368 | Cyclical redundancy check method and apparatus | — | 1998-03-03 |
| 5717395 | Rate 16/17 ENDEC with independent high/low byte decoding | — | 1998-02-10 |
| 5701314 | On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive | Alan J. Armstrong | 1997-12-23 |
| 5701304 | Method for correcting unrecoverable sectors using track level redundancy in a disc drive storage system | Neal Glover, John Schadegg, William L. Witt | 1997-12-23 |
| 5696775 | Method and apparatus for detecting the transfer of a wrong sector | Siamack Nemazie, Son Hong Ho, Ronald Yamada, Sunil Chaudhari | 1997-12-09 |
| 5671237 | Cyclical redundancy check method and apparatus | — | 1997-09-23 |
| 5668976 | Error correction method and apparatus for disk drive emulator | — | 1997-09-16 |
| 5629949 | Error correction verification method and apparatus using CRC check remainders | — | 1997-05-13 |
| 5623377 | Filtering a read signal to attenuate secondary pulses caused by pole tips of a thin film magnetic read head | Richard T. Behrens, Neal Glover, Trent Dudley, Alan J. Armstrong, William G. Bliss | 1997-04-22 |
| 5602857 | Error correction method and apparatus | Neal Glover, John Schadegg | 1997-02-11 |
| 5600662 | Error correction method and apparatus for headers | — | 1997-02-04 |
| 5592498 | CRC/EDC checker system | — | 1997-01-07 |
| 5592404 | Versatile error correction system | — | 1997-01-07 |
| 5576707 | Method and apparatus for detecting and decoding data in a PRML class-IV digital communication channel | — | 1996-11-19 |
| 5555516 | Multipurpose error correction calculation circuit | — | 1996-09-10 |