Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209414 | Spherical aberration compensation by wavelength | Robert G. Russell | 2007-04-24 |
| 6961291 | System for enhanced astigmatic focus signal detection | Kurt W. Getreuer | 2005-11-01 |
| 5912874 | Calibrating an optical detector to minimize noise from undesired perturbations in disk surface | Timothy S. Gardner, Delbert A. Hansen | 1999-06-15 |
| 5777962 | Calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces | Timothy S. Gardner, Delbert A. Hansen | 1998-07-07 |
| 5627818 | Optical disk with marks used for calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces | Timothy S. Gardner, Delbert A. Hansen | 1997-05-06 |
| 5446710 | Focus error detection using an equal path length lateral shearing interferometer | Timothy S. Gardner, Syed Tahir Shafaat | 1995-08-29 |
| 5235574 | Optical disk drive relative position sensor | Henry E. Aviles, Edwin R. Childers, James Leroy Overacker | 1993-08-10 |