Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847597 | Optical disk drive with a digital focus and tracking servo system | Charles R. Watt, Christopher J. Turner, Hans Brandon Wach | 2005-01-25 |
| 6847596 | Tracking servo system including a multi-track seek algorithm with a track zero crossing period integrity test | — | 2005-01-25 |
| 6813228 | Tracking and focus servo system with direction sensor | Charles R. Watt | 2004-11-02 |
| 6813226 | Calibration of a focus sum threshold in a focus servo system | Charles R. Watt, Christopher J. Turner | 2004-11-02 |
| 6809995 | Digital focus and tracking servo system | Charles R. Watt, Christopher J. Turner, Hans Brandon Wach | 2004-10-26 |
| 6781929 | Digital tracking servo system with multi-track seek | — | 2004-08-24 |
| 6762980 | Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop | Christopher J. Turner | 2004-07-13 |
| 6741530 | Time critical and non-time critical tasks control system for an optical disk using first and second processors | Christopher J. Turner, Charles R. Watt, Hans Brandon Wach | 2004-05-25 |
| 6738320 | System and method for moving optical pick up from current position to target position with smooth control | Christopher J. Turner, Charles R. Watt | 2004-05-18 |
| 6728182 | Tracking and focus servo system with a media type boundary crossing detector | Christopher J. Turner | 2004-04-27 |