Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372796 | Apparatus for controlling monitor photo diode in optical pickup system | Jun Hyuk Lee, Chui-ho Jeon, Dong Ryul Lee | 2008-05-13 |
| 7343103 | Apparatus and method for detecting beam power in optical drive | Pyong-yong Seong, Jong-koog Lee, Kun-soo Kim, Yong-jun Cho | 2008-03-11 |
| 7272103 | Laser power monitor device, optical pickup including the same, and optical recording and/or reproducing apparatus including the same | Jun Hyuk Lee, Pyong-yong Seong, Hyun Cheal Bang, Jong-koog Lee, Yong-jun Cho | 2007-09-18 |
| 7251206 | Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc | Chang Hoon Baek, Chul-ho Jeon, Seung-man Han | 2007-07-31 |
| 7248553 | Laser power control device | Jun Hyuk Lee, Yong-jun Cho, Jung-koog Lee, Hyun Cheal Bang | 2007-07-24 |
| 7068933 | Apparatus and method for detecting beam power in optical drive | Pyong-yong Seong, Jong-koog Lee, Kun-soo Kim, Yong-jun Cho | 2006-06-27 |