Preisach; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Preisach; Helmut.The latest application filed is for "optical modulator".
- Preisach; Helmut - Besigheim DE
| Patent | Date |
|---|---|
| Optical Modulator App 20220158752 - Duthel; Thomas ; et al. | 2022-05-19 |
| Electrical space switching matrix Grant 8,305,111 - Preisach November 6, 2 | 2012-11-06 |
| Digital signal receiver with Q-monitor Grant 7,835,464 - Preisach November 16, 2 | 2010-11-16 |
| Integrated optical transceiver circuit Grant 7,650,079 - Preisach January 19, 2 | 2010-01-19 |
| Drive circuit and method of operating a semiconductor laser Grant 7,502,400 - Preisach March 10, 2 | 2009-03-10 |
| Digital Signal Receiver With Q-monitor App 20080292026 - PREISACH; Helmut | 2008-11-27 |
| Electrical signal regenerator Grant 7,440,512 - Preisach October 21, 2 | 2008-10-21 |
| Switching circuit for switching constant current source using MOS transistor Grant 7,084,694 - Preisach August 1, 2 | 2006-08-01 |
| Digital to analog converter, phase control circuit, transmission unit recognition circuit Grant 7,068,199 - Preisach June 27, 2 | 2006-06-27 |
| Drive circuit and method of operating a semiconductor laser App 20050276290 - Preisach, Helmut | 2005-12-15 |
| Digital to analog converter, phase control circuit, transmission unit recognition circuit App 20040155805 - Preisach, Helmut | 2004-08-12 |
| Electrical space switching matrix App 20040150008 - Preisach, Helmut | 2004-08-05 |
| Basic switching circuit App 20040150460 - Preisach, Helmut | 2004-08-05 |
| Electrical signal regenerator App 20040151173 - Preisach, Helmut | 2004-08-05 |
| Integrated optical transceiver circuit App 20040151073 - Preisach, Helmut | 2004-08-05 |
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