Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931323 | Apparatus and method of compensating for an attitude error of an earth magnetic sensor | Sang-on Choi, Woo-Jong Lee, Chan-Gook Park, Seong Yun Cho | 2005-08-16 |
| 6922647 | Device and method for automatically detecting a calibration termination for a geomagnetic sensor | Sang-on Choi | 2005-07-26 |