Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7701503 | Method for controlling light source and optical input device using the same | Young-Ho Shin | 2010-04-20 |
| 7667690 | Optical pointing device and method of computing movement value thereof | — | 2010-02-23 |
| 7639236 | Image sensor, optical pointing device and motion calculating method of optical pointing device | — | 2009-12-29 |
| 7633489 | Navigation system and navigation method | Jong-Taek Kwak | 2009-12-15 |
| 7616193 | Human input apparatus with touch sensors and method for calculating movement value thereof | Chul-Yong Joung, Jae-Surk Hong, Young-Ho Shin | 2009-11-10 |
| 7545360 | Optical pointing device | Young-Ho Shin | 2009-06-09 |
| 7327351 | Optical pointing system, signal transmission method of the same, and signal processing method of computing apparatus used in the same | — | 2008-02-05 |
| 7064311 | Optical image detector and method for controlling illumination of the same | Duck-Young Jung | 2006-06-20 |
| 6753851 | Optical mouse having dynamic range | Won Tae Choi | 2004-06-22 |
| 6502997 | Connector and cable having transducer and receiver for optical transmission | Kim Do Hwi | 2003-01-07 |
| 5636154 | Digital operation unit | Young-heon Lim | 1997-06-03 |
| 5577215 | Data transmission circuit for digital signal processor chip and method therefor | Dong Hoi Kim | 1996-11-19 |
| 5341417 | Integrated PCM-CODEC circuit with telemetering noise elimination | In Hwan Hwang, Hye-Kyoung Lee, Yi-Sung Bae | 1994-08-23 |
| 5223753 | Slew rate speed-up circuit | Kyoung-Un Hwang | 1993-06-29 |
| 4584504 | Integrated circuit for driving a D.C. motor having operational modes | Sung-In Hong | 1986-04-22 |
| 4488094 | Linear integrated circuit for driving a d.c. motor with radio control | Sung-Ki Min, Doo-Hun Choi | 1984-12-11 |