Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930963 | Tracking and focus servo system with head load | Ron J. Kadlec, Charles R. Watt, Hans Brandon Wach | 2005-08-16 |
| 6906985 | Calibration of tracking error signal gain in a tracking servo system | Ron J. Kadlec, Charles R. Watt, Hans Brandon Wach | 2005-06-14 |
| 6901040 | Kp and Ki lookup system and method | Charles R. Watt | 2005-05-31 |
| 6898164 | Close tracking algorithm in a digital tracking servo system | Ron J. Kadlec | 2005-05-24 |
| 6898170 | PMAD/PSA digital feedback system | Charles R. Watt | 2005-05-24 |
| 6891789 | Tracking and focus servo system with automatic media type detector | Charles R. Watt, Ron J. Kadlec | 2005-05-10 |
| 6885620 | System and method for recovering from performance errors in an optical disc drive | Charles R. Watt, Ron J. Kadlec | 2005-04-26 |
| 6876609 | System and method for controlling a spin motor | Charles R. Watt | 2005-04-05 |
| 6847597 | Optical disk drive with a digital focus and tracking servo system | Ron J. Kadlec, Charles R. Watt, Hans Brandon Wach | 2005-01-25 |
| 6813226 | Calibration of a focus sum threshold in a focus servo system | Ron J. Kadlec, Charles R. Watt | 2004-11-02 |
| 6809995 | Digital focus and tracking servo system | Ron J. Kadlec, Charles R. Watt, Hans Brandon Wach | 2004-10-26 |
| 6762980 | Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop | Ron J. Kadlec | 2004-07-13 |
| 6741530 | Time critical and non-time critical tasks control system for an optical disk using first and second processors | Ron J. Kadlec, 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 | Ron J. Kadlec, Charles R. Watt | 2004-05-18 |
| 6728182 | Tracking and focus servo system with a media type boundary crossing detector | Ron J. Kadlec | 2004-04-27 |
| 6704261 | Spin motor control in an optical drive | Charles R. Watt | 2004-03-09 |
| 6624960 | Current sensing drum/cleaning wheel positioning method and apparatus for magnetic storage system | Michael Donald Langiano | 2003-09-23 |
| 6480182 | Printable electronic display | Joseph M. Jacobson, Barrett Comiskey | 2002-11-12 |
| 6459540 | Variable speed recording method and apparatus for a magnetic tape drive | Kelly J. Beavers, Michael Blatchley, David L. Detro, Thomas E. Zaczek | 2002-10-01 |
| 6364234 | Tape loop/slack prevention method and apparatus for tape drive | Michael Donald Langiano | 2002-04-02 |
| 6307701 | Variable speed recording method and apparatus for a magnetic tape drive | Kelly J. Beavers, Michael Blatchley, David L. Detro, Thomas E. Zaczek | 2001-10-23 |