Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977982 | Differential phase detection device and tracking error signal detection apparatus using the same | Byung-in Ma, In-sik Park, Joong-eon Seo, Sung-ro Go, Soo-yul Jung | 2005-12-20 |
| 6967906 | Circuit and method for detecting mirror signal for optical disc apparatus | Sang-yeal Park | 2005-11-22 |