Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7071597 | Piezoelectric laminate motion sensing apparatus and method | Chih-Kung Lee, Yu-Hsiang Hsu, Long-Sun Huang | 2006-07-04 |
| 6998759 | Piezoelectric laminate motion sensing apparatus and method | Chih-Kung Lee, Yu-Hsiang Hsu, Long-Sun Huang | 2006-02-14 |
| 6603242 | Piezoelectric transducer apparatus having independent gain and phase characteristics functions of the fourth-order partial differential equations | Chih-Kung Lee, Yu-Hsiang Hsu | 2003-08-05 |
| 5128921 | Method and apparatus for pre-compensation in an optical disc | Hai VAN, Joel D. Finegan | 1992-07-07 |
| 5056081 | System and method for erasing light-responsive optical disks | — | 1991-10-08 |
| 5043971 | Method and apparatus for pre-compensation in an optical disc | Hai VAN, Joel D. Finegan | 1991-08-27 |
| 4674076 | Optical memory system having improved positioning and focusing control circuitry | Edward V. LaBudde | 1987-06-16 |
| 4669074 | Focusing control circuitry for an optical memory system | Edward V. LaBudde | 1987-05-26 |
| 4564757 | Mirror position sensor for improved track selection in optical data disk system | Edward V. LaBudde, Jeffrey E. Niven, Roger C. Parker, Robert J. Johnson | 1986-01-14 |
| 4560925 | Mirror position sensor and associated pivot suspension for improved track selection in optical data disk system | Jeffrey E. Niven | 1985-12-24 |
| 4489406 | Optical memory system having a short seek capability | Edward V. LaBudde | 1984-12-18 |
| 4435797 | Optical memory system having track following and seeking capabilities | Edward V. LaBudde | 1984-03-06 |
| 4432082 | Optical memory system having a long seek capability | Edward V. LaBudde | 1984-02-14 |
| 4432083 | Optical memory system having track following | Edward V. LaBudde | 1984-02-14 |