Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8155615 | Generation of a composite mitigation signal with a desired spectral energy distrubution | Geetha B. Nagaraj, Shafiullah Syed | 2012-04-10 |
| 8131215 | Method and apparatus for determining location of a communication device | Charles Burton Swope, Armando J. Gonzalez | 2012-03-06 |
| 8121241 | Method and apparatus for processing radio frequency signals | Robert E. Stengel, Sumit Talwalkar | 2012-02-21 |
| 8063823 | Method for generating a location signal | Armando J. Gonzalez, Charles Burton Swope | 2011-11-22 |
| 8027651 | Method and apparatus for removing DC offset in a direct conversion receiver | Darrell J. Stogner, Yadunandana N. Rao, Chet A. Lampert | 2011-09-27 |
| 7689217 | Radio receiver having a multi-state variable threshold automatic gain control (AGC) for fast channel scanning acquisition and mehtod for using same | William J. Rinderknecht | 2010-03-30 |
| 7684516 | Method and apparatus for improving signal reception in a receiver | Raul Salvi, Jerry Bolton | 2010-03-23 |
| 7474711 | Method and system for I/Q imbalance and DC offset correction | Kar Boon Oung, Ting Fook Tang, Richard S. Young | 2009-01-06 |
| 7373125 | Off-channel signal detector with programmable hysteresis | Nihal Godambe, John Wayne Simmons, James Goatley | 2008-05-13 |
| 7298229 | Multi-layered inductively coupled helical directional coupler | — | 2007-11-20 |
| 7263363 | Method for mitigating intermodulation interference using channel power estimation and attenuation in a two-way radio communications system | Apoorv Chaudhri, Darrell J. Stogner | 2007-08-28 |
| 7251468 | Dynamically matched mixer system with improved in-phase and quadrature (I/Q) balance and second order intercept point (IP2) performance | Nicholas G. Cafaro, Robert E. Stengel | 2007-07-31 |
| 7227916 | Receiver with automatic gain control that operates with multiple protocols and method thereof | Moshe Ben-Ayun, David J. Graham, Mark Rozental | 2007-06-05 |
| 7203476 | Method and apparatus for minimizing baseband offset error in a receiver | Richard S. Young | 2007-04-10 |
| 7202815 | Method and apparatus for location determination | Charles Burton Swope, Ruben Rivera, Jeffrey A. Underwood, John R. Melton | 2007-04-10 |
| 7054747 | System and method for integrating environmental sensors and asynchronous ubication repeaters forming an n-point spatially random virtual lattice network | Charles Burton Swope | 2006-05-30 |
| 6459889 | DC offset correction loop for radio receiver | — | 2002-10-01 |
| 6115589 | Speech-operated noise attenuation device (SONAD) control system method and apparatus | Enrique Ferrer, Andrew J. Webster, Kenneth A. Hansen, Rajesh H. Zele, Kevin B. Traylor | 2000-09-05 |
| 5767753 | Multi-layered bi-directional coupler utilizing a segmented coupling structure | — | 1998-06-16 |
| 5576669 | Multi-layered bi-directional coupler | — | 1996-11-19 |
| 5574413 | Tunable filter having a capacitive circuit connected to ground | — | 1996-11-12 |
| 5564094 | Radio receiver providing reduced intermodulation distortion | George C. Anderson, Randall S. Fraser | 1996-10-08 |
| 5303409 | Automatically compensated squelch circuit | Alexander Emmanuel Rodriguez | 1994-04-12 |
| 5216392 | Automatically controlled varactor tuned matching networks for a crystal filter | Randall S. Fraser, Tam-Thanh C. Buu | 1993-06-01 |