Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9397686 | Method and system for a low input voltage low impedance termination stage for current inputs | Gaurav Chandra | 2016-07-19 |
| 9154154 | Method and system for a low input voltage low impedance termination stage for current inputs | Gaurav Chandra | 2015-10-06 |
| 6414554 | Method and apparatus for calibrating a local oscillator in a direct conversion receiver | Keith A. Tilley, Walter H. Kehler | 2002-07-02 |
| 6157260 | Method and apparatus for calibrating a local oscillator in a direct conversion receiver | Keith A. Tilley, Walter H. Kehler | 2000-12-05 |
| 6115589 | Speech-operated noise attenuation device (SONAD) control system method and apparatus | Enrique Ferrer, Charles R. Ruelke, Andrew J. Webster, Kenneth A. Hansen, Kevin B. Traylor | 2000-09-05 |
| 6055421 | Carrier squelch method and apparatus | Joseph J. Medvid, III, Branko Avanic, Richard B. Meador | 2000-04-25 |
| 5953640 | Configuration single chip receiver integrated circuit architecture | Richard B. Meador, Kenneth A. Hansen, Walter H. Kehler, Gary A. Kurtzman | 1999-09-14 |
| 5734975 | Direct-coupled signaling receiver with PL/DPL detector | Walter H. Kehler, Norman T. Rollins | 1998-03-31 |
| 5699006 | DC blocking apparatus and technique for sampled data filters | Walter H. Kehler, Norman T. Rollins | 1997-12-16 |