Hsieh; Chau-Kai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hsieh; Chau-Kai.The latest application filed is for "signal processing method for a walkie-talkie device".
- Hsieh; Chau-Kai - Hsin-Chu Hsien TW
- Hsieh; Chau Kai - Hsinchu Hsien TW
- Hsieh; Chau-Kai - Chiung Lin TW
| Patent | Date |
|---|---|
| Signal processing method for a walkie-talkie device Grant 7,072,622 - Hsu , et al. July 4, 2 | 2006-07-04 |
| Method for detecting a tone signal through digital signal processing Grant 7,020,448 - Hsieh March 28, 2 | 2006-03-28 |
| Signal Processing Method For A Walkie-talkie Device App 20040203511 - Hsu, Jany-Yee ; et al. | 2004-10-14 |
| Method For Detecting A Tone Signal Through Digital Signal Processing App 20040176062 - Hsieh, Chau-Kai | 2004-09-09 |
| USB/UART converter and its control method Grant 6,151,653 - Lin , et al. November 21, 2 | 2000-11-21 |
| Baby cry recognizer Grant 5,668,780 - Hsieh September 16, 1 | 1997-09-16 |
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