Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590733 | Digital processing of pilot-tone amplitudes | Michael R. Spaur | 2003-07-08 |
| 6118603 | Disk with fault-tolerant sample-data servo pattern | Michael J. Mayo | 2000-09-12 |
| 5781360 | Method and apparatus for detecting data track misregistration | Peter Butler | 1998-07-14 |
| 5301072 | Sample data position error signal detection for digital sector servo | — | 1994-04-05 |
| 5208556 | Phase lock loop for sector servo system | — | 1993-05-04 |
| 5146183 | Phase lock loop for sector servo system | — | 1992-09-08 |
| 5089757 | Synchronous digital detection of position error signal | — | 1992-02-18 |
| 4999720 | Zone density sector counter | Frank Seuberling | 1991-03-12 |
| 4933786 | Fault tolerant index patterns and decoding means | — | 1990-06-12 |
| 4390910 | Phase-lock oscillator | — | 1983-06-28 |