Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469849 | Field ratioing demodulation circuit for a null-type servo pattern | Alexei H. Sacks | 2002-10-22 |
| 6426845 | Asynchronous analog demodulator and method for a null-type servo pattern | Alexei H. Sacks | 2002-07-30 |
| 6392834 | Concentric spacing of virtual data tracks using run-out compensation | — | 2002-05-21 |
| 6327108 | Filter calibration method in a disc drive and apparatus | Alexei H. Sacks | 2001-12-04 |
| 6249392 | Head instability detection method and apparatus | Alexei H. Sacks | 2001-06-19 |
| 6243224 | Asynchronous digital demodulator and method for a null-type servo pattern | Alexei H. Sacks | 2001-06-05 |
| 6195220 | Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern | Alexei H. Sacks | 2001-02-27 |
| 6181505 | Synchronous digital demodulator with integrated read and servo channels | Alexei H. Sacks | 2001-01-30 |
| 6069764 | Compensation for repeatable run-out error | John C. Morris, Brian Pollock | 2000-05-30 |