Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9847721 | Driving circuit, voltage converter having adaptive dead time control function and method of controlling dead time | — | 2017-12-19 |
| 9720503 | Vibration control device and computing device including the same | Min Shik Seok, Seon Mi Jeon, Seong Wook Hwang | 2017-08-01 |
| 9671847 | Semiconductor device employing closed loop and open loop DVFS control and semiconductor system including the same | Young Hoon Lee, Min Shik Seok | 2017-06-06 |
| 9448580 | Methods and apparatus for generating clock signals based on duty code and period code | Sang-Yong Park, Chan Woo Park, Young Hoon Lee, Byeong-Ha Park | 2016-09-20 |
| 9213347 | Low-dropout regulator, power management system, and method of controlling low-dropout voltage | Sang-Yong Park, Chan Woo Park, Young Hoon Lee, Byeong-Ha Park | 2015-12-15 |
| 9124172 | Digital buck-boost conversion circuit and method of operating the same | Sang-Yong Park, Chan Woo Park, Young Hoon Lee, Byung Chul Jeon, Min Shik Seok | 2015-09-01 |
| 9065478 | Digital to-analog conversion apparatuses and methods | Sang-Yong Park, Chan Woo Park, Young Hoon Lee, Byeong-Ha Park | 2015-06-23 |
| 7711340 | Phase locked loop and method thereof | Kwang Ho Kim | 2010-05-04 |
| 7706223 | Apparatus for and method of detecting a wobble signal in accordance with a time shift | Jun Ho Huh, Sang Hoon Moon | 2010-04-27 |
| 7701833 | Automatic gain controllers and methods for controlling voltage of control gain amplifiers | Jun Ho Huh, Sang Hoon Moon | 2010-04-20 |
| 7675356 | Digital controlled filter system and filtering method | — | 2010-03-09 |
| 7668052 | Apparatus and method for detecting tracking error signal using multiple phase clocks | Jun Ho Huh, Sang Hoon Moon | 2010-02-23 |
| 7660213 | Focus layer jump control circuits and methods of controlling focus layer jumps used by the same | Jun Ho Huh, Sang Hoon Moon | 2010-02-09 |
| 7616537 | Focus search apparatus and method | Suk-jung Lee, Young-Wook Jang | 2009-11-10 |
| 7558165 | Disc drive calibration with forced track traversing signal | Young-Wook Jang | 2009-07-07 |
| 7382309 | Analog level meter and method of measuring analog signal level | Jun Ho Huh, Sang Hoon Moon | 2008-06-03 |
| 7177240 | Optical disc system and method for controlling movement of an optical pickup to an innermost perimeter of an optical disc using track information | Young-Wook Jang | 2007-02-13 |
| 7061194 | Method and apparatus for controlling constant linear velocity of spindle motor using mirror signal | Young-Wook Jang | 2006-06-13 |
| 6879549 | Brake circuit for three-beam optical tracking system | Young-Wook Jang | 2005-04-12 |
| 6700857 | Method and apparatus for controlling light power of optical disk system, and optical disk system having the same | Young-Wook Jang, Bom-Yun Kim | 2004-03-02 |
| 6680891 | Apparatus and method for correcting asymmetry in an optical disk reproduction system | Young-Wook Jang, Suk-jung Lee | 2004-01-20 |
| 6611485 | Apparatus and method for correcting asymmetry of optical disk reproducing system | Young-Wook Jang, Suk-jung Lee | 2003-08-26 |
| 6324135 | Apparatus and method for correcting asymmetry of optical disk reproducing system | Young-Wook Jang, Suk-jung Lee | 2001-11-27 |
| 6282157 | Tracking and focusing control apparatus in an optical disk system | Young-Wook Jang, Suk-jung Lee, Jeong-Cheol Shin | 2001-08-28 |
| 6188060 | Optical disk signal conversion with peaking compensation | Young-Wook Jang | 2001-02-13 |