Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7170834 | Method and circuit for detecting playback signal which is compensated for time delay | Tatsuhiro Otsuka, Seong-sin Joo, Chong-sam Chung, Young-man Ahn, In-sik Park +2 more | 2007-01-30 |
| 7151729 | Optical recording medium having read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor | In-sik Park, Jung-wan Ko, Kyung-geun Lee, Jung-kwon Heo, Byung-jun Kim +1 more | 2006-12-19 |
| 7146624 | Optical recording medium with different wobble characteristics between the user data area and the lead-out area | Du-seop Yoon, Kyung-geun Lee, Jae-seong Shim | 2006-12-05 |
| 7133342 | Method and apparatus for determining a type of disk | Byung-in Ma | 2006-11-07 |
| 7123568 | Optical recording medium on which a wobble signal having header information is recorded, an apparatus and method of recording wobble signal, and an apparatus and method of reproducing the wobble signal | In-sik Park, Jae-seong Shim, Kyung-geun Lee | 2006-10-17 |
| 7120095 | Apparatus for generating seek direction detecting signal using track error and track cross signals for an optical pickup | Byung-in Ma, Chong-sam Chung, In-sik Park, Tae-yong Doh | 2006-10-10 |
| 7095686 | Defocus error signal detection apparatus having phase comparators and a matrix circuit for an optical recording/reproduction system | Byung-in Ma, In-sik Park, Chong-sam Chung, Jin-hoon Jeon, Tae-yong Doh | 2006-08-22 |
| 7092329 | 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 | 2006-08-15 |
| 7035178 | Apparatus and method for generating tracking error signal | Byung-in Ma, Young-man Ahn, In-sik Park, Kwan-joon Kim | 2006-04-25 |
| 7009921 | Method and circuit for detecting playback signal which is compensated for time delay | Tatsuhiro Otsuka, Seong-sin Joo, Chong-sam Chung, Young-man Ahn, In-sik Park +2 more | 2006-03-07 |
| 7000239 | Optical recording medium with different wobble characteristics between the user data area and the lead-out area | Du-seop Yoon, Kyung-geun Lee, Jae-seong Shim | 2006-02-14 |
| 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, In-sik Park, Chong-sam Chung, Jin-hoon Jeon, Tae-yong Doh | 2005-12-20 |
| 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, In-sik Park, Tae-yong Doh | 2005-11-01 |
| 6940799 | Method for generating a signal for detecting the direction of movement of a laser spot, and apparatus therefor | Byung-in Ma, Tae Youn LEE | 2005-09-06 |
| 6885621 | Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals | Byung-in Ma, 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 | Byung-in Ma, In-sik Park, Tae-yong Doh, Jin-hoon Jeon | 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 |
| 6772429 | Optical recording medium with different wobble characteristics between the user data area and the lead-out area | Du-seop Yoon, Kyung-geun Lee, Jae-seong Shim | 2004-08-03 |
| 6754146 | Error signal detection apparatus for an optical recording/reproduction system | Byung-in Ma, In-sik Park, Chong-sam Chung, Jin-hoon Jeon, Tae-yong Doh | 2004-06-22 |
| 6751178 | Optical recording medium and recording/reproduction method thereof | Kyung-geun Lee, Seong-sin Joo, In-sik Park, Byung-in Ma, Jae-seong Shim +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 |
| 6687201 | Apparatus for generating seek direction detection signal | Byung-in Ma, Chong-sam Chung, In-sik Park, 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 | Byung-in Ma, Chong-sam Chung, In-sik Park, Tae-yong Doh | 2003-08-26 |