Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920446 | Optimizing focus point for optical disc | Hung Dang | 2011-04-05 |
| 7830756 | Demodulation of tracking error signal to obtain lens position for lens motion control in an optical disc system | — | 2010-11-09 |
| 7633840 | Optimizing focus point for optical disc | Hung Dang | 2009-12-15 |
| 7613081 | Control of stepper motor in an optical disc | — | 2009-11-03 |
| 7583571 | Write based power adaptive control system | Hung Dang | 2009-09-01 |
| 7558166 | Optical disc center error amplitude calibration | — | 2009-07-07 |
| 7558160 | Demodulation of a focusing error signal during a focus search for a lens focusing control in an optical disc system | Hyun-Gyu Jeon, Yuan Zheng | 2009-07-07 |
| 7414929 | Optical disc tilt detection and tilt servo control method | Yuanping Zhao | 2008-08-19 |
| 7355931 | Optical disc center error amplitude calibration | — | 2008-04-08 |