Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885621 | Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals | Byoung-ho Choi, Chong-sam Chung, In-sik Park, Tae-yong Doh | 2005-04-26 |
| 6813230 | Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, In-sik Park, Kyung-geun Lee, Du-seop Yoon, Seong-sin Joo +4 more | 2004-11-02 |
| 6801486 | Method and apparatus to generate a monitoring signal for an optical recording/reproducing system | In-sik Park, Tae-yong Doh, Jin-hoon Jeon, Byoung-ho Choi | 2004-10-05 |
| 6791920 | Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, In-sik Park, Yong-jin Ahn, Du-seop Yoon, Seong-sin Joo +4 more | 2004-09-14 |
| 6754146 | Error signal detection apparatus for an optical recording/reproduction system | In-sik Park, Chong-sam Chung, Jin-hoon Jeon, Tae-yong Doh, Byoung-ho Choi | 2004-06-22 |
| 6751178 | Optical recording medium and recording/reproduction method thereof | Kyung-geun Lee, Seong-sin Joo, In-sik Park, Jae-seong Shim, Du-seop Yoon +2 more | 2004-06-15 |
| 6744718 | Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, In-sik Park, Kyung-geun Lee, Du-seop Yoon, Seong-sin Joo +4 more | 2004-06-01 |
| 6721243 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2004-04-13 |
| 6687201 | Apparatus for generating seek direction detection signal | Chong-sam Chung, In-sik Park, Byoung-ho Choi, Tae-yong Doh, Jin-hoon Jeon | 2004-02-03 |
| 6671238 | Physical identification data addressing method using wobble signal, method of detecting wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, In-sik Park, Kyung-geun Lee, Du-seop Yoon, Seong-sin Joo +4 more | 2003-12-30 |
| 6611482 | Error signal detecting apparatus for optical recording/reproducing apparatus | Chong-sam Chung, In-sik Park, Byoung-ho Choi, Tae-yong Doh | 2003-08-26 |
| 6584049 | Device for reducing cross talk in signal detecting apparatus used in an optical pickup device | In-sik Park, Joong-eon Seo, Chong-sam Chung | 2003-06-24 |
| 6556520 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2003-04-29 |
| 6556521 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2003-04-29 |
| 6507544 | Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system and method therefor | Byung Ho Choi, Chong-sam Chung, In-sik Park, Tae-yong Doh, Joong-eon Seo | 2003-01-14 |
| 6469979 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2002-10-22 |
| 6400662 | Method of detecting track cross signal of optical disc recording/reproducing device and apparatus therefor | Byoung-ho Choi, Jung-wan Ko, Tae-yong Doh, Tae Yeon Lee, In-sik Park | 2002-06-04 |
| 6222802 | Device and method for automatically controlling sled loop gain in optical disc drive | — | 2001-04-24 |
| 6163516 | Optical disc reproduction apparatus and method capable of correcting a characteristic of an equalizer | — | 2000-12-19 |
| 6111843 | Track zero cross signal generation apparatus for optical disk system | — | 2000-08-29 |
| 6067280 | Track zero cross signal generation apparatus for optical disk system | — | 2000-05-23 |