Issued Patents 2005
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977982 | Differential phase detection device and tracking error signal detection apparatus using the same | Byung-in Ma, Joong-eon Seo, Sung-ro Go, Soo-yul Jung, Chang-jin Yang | 2005-12-20 |
| 6977876 | Apparatus for and method of detecting defocus error signal for optical pickup and apparatus for and method of detecting seek direction | Byung-in Ma, Chong-sam Chung, Jin-hoon Jeon, Tae-yong Doh, Byoung-ho Choi | 2005-12-20 |
| 6967918 | Optical recording medium with wobbled header area, and data recording method and apparatus therefor | Kyung-geun Lee, Jung-wan Ko, Tae Kyung Kim, Jin-hoon Jeon, Tatsuhiro Otsuka +1 more | 2005-11-22 |
| 6961292 | Apparatus generating a seek direction detecting signal for an optical pickup using track cross and track error signals | Byung-in Ma, Chong-sam Chung, Byoung-ho Choi, Tae-yong Doh | 2005-11-01 |
| 6956508 | Demodulation apparatus and method using code table that decreases complexity | Sung-hyu Han, Ki Hyun Kim, Yoon-woo Lee | 2005-10-18 |
| 6940797 | Apparatus and method of compensating for tilt and/or defocus of a disc during recording | Kyung-geun Lee, Jung-wan Ko, Seong-sin Joo | 2005-09-06 |
| 6934236 | Information storage medium having updatable control information and recording and/or reproducing method thereof | Kyung-geun Lee, Du-seop Yoon | 2005-08-23 |
| 6931586 | Error correction method for high density disc | Jae-seong Shim, Myoung-june Kim | 2005-08-16 |
| 6931655 | Cartridge for an information recording medium | Jong Pil Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2005-08-16 |
| 6912724 | Cartridge for an information recording medium | Jong Pil Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2005-06-28 |
| 6906994 | Disc having grooves and pits with different depths, and method for manufacturing the disc | Kyung-geun Lee, Du-seop Yoon, Chang-Min Park | 2005-06-14 |
| 6885621 | Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals | Byung-in Ma, Byoung-ho Choi, Chong-sam Chung, Tae-yong Doh | 2005-04-26 |
| 6879553 | Apparatus for assigning spare areas for defect management and apparatus for handling fragmented ECC blocks | Jung-wan Ko | 2005-04-12 |
| 6845079 | High-speed optical recording and erasing method and apparatus using two beams | Kyung-geun Lee | 2005-01-18 |