Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8149027 | Circuit with a voltage dependent resistor for controlling an on/off state of a transistor | Lawrence F. Cygan, Curtis M. Williams | 2012-04-03 |
| 7825724 | Method and apparatus for direct digital to radio frequency conversion | Lawrence F. Cygan, Curtis M. Williams | 2010-11-02 |
| 7411502 | Radio frequency identification tag based tray and tray receiving method and apparatus | Timothy J. Collins, Michael K. Bullock, Robert A. Perri, Richard Rachwalski | 2008-08-12 |
| 7251464 | Method and apparatus for predistortion training in an amplifier utilizing predistortion | Christopher P. Thron, Curtis M. Williams, George F. Opas | 2007-07-31 |
| 6928122 | Amplifier predistortion system and method | George F. Opas, Robert L. Palandech | 2005-08-09 |
| 6624712 | Method and apparatus for power modulating to prevent instances of clipping | Lawrence F. Cygan | 2003-09-23 |
| 6624711 | Method and apparatus for power modulating to prevent instances of clipping | Lawrence F. Cygan | 2003-09-23 |
| 6556099 | Multilayered tapered transmission line, device and method for making the same | Shamik Mukherjee, Richard S. Bickham, Lawrence F. Cygan | 2003-04-29 |
| 6445249 | Modification of phase component of error signal to reduce variation of phase component of output signal of power amplifier | George F. Opas | 2002-09-03 |
| 6141541 | Method, device, phone and base station for providing envelope-following for variable envelope radio frequency signals | Pallab Midya, Lawrence E. Connell, Steven F. Gillig, John Grosspietsch, George F. Opas +1 more | 2000-10-31 |
| 5959499 | Predistortion system and method using analog feedback loop for look-up table training | George F. Opas | 1999-09-28 |