Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883379 | Device and method capable of converting a position signal into a frequency signal using a photoelectric position sensitive detector | Chun-Ming Chang | 1999-03-16 |
| 5821528 | Two light intensities difference convert into frequency modulator for parallel photodiodes | Jui-I Tsai, Keh Shium Liu, Mang Ou Yang, Yung-Fu Chen, Ming-Li Chen | 1998-10-13 |