Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763107 | Method and apparatus for reducing distortion in a line powered modulator circuit | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Weilin Zhu | 2004-07-13 |
| 6744888 | Line interface circuit with event detection signaling | Tony S. El-Kik, Donald R. Laturell, Steven B. Witmer | 2004-06-01 |
| 6735305 | Detection of low tip/ring currents in a line powered DAA | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Michael S. Toth, Michael G. Williams +1 more | 2004-05-11 |
| 6731728 | Low noise line powered DAA with differential feedback | Donald R. Laturell, Steven B. Witmer | 2004-05-04 |
| 6728371 | Method and apparatus for stabilization of a line powered modulator circuit | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Weilin Zhu | 2004-04-27 |
| 6674857 | Startup procedure for international line powered DAA | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Michael S. Toth, Weilin Zhu | 2004-01-06 |