Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10439850 | System and method for processing radiofrequency signals using modulation duty cycle scaling | Joseph P. Heck, Christopher Calvo, Rodger W. Caruthers, Nicholas G. Cafaro, Geetha B. Nagaraj | 2019-10-08 |
| 9712140 | Tunable multi-path filter | Joseph P. Heck | 2017-07-18 |
| 9654159 | Systems for and methods of using a mirrored wideband baseband current for automatic gain control of an RF receiver | Joseph P. Heck, Geetha B. Nagaraj, Shafiullah Syed | 2017-05-16 |
| 8970293 | Active RC filter having gain-setting attenuator | — | 2015-03-03 |
| 8554267 | Broadband input frequency adaptive technique for filter tuning and quadrature generation | — | 2013-10-08 |
| 8331865 | High speed minimal interference adaptive tranceiver interface and method thereof | Charles R. Ruelke | 2012-12-11 |
| 8134393 | Method and apparatus for correcting phase offset errors in a communication device | Geetha B. Nagaraj, Thomas R. Harrington | 2012-03-13 |
| 7742545 | Method and apparatus for generating corrected quadrature phase signal pairs in a communication device | Pedro J. Landin | 2010-06-22 |
| 7720448 | Signal generation power management control system for portable communications device and method of using same | Cesar Carralero, Steven Hoggarth | 2010-05-18 |
| 7684516 | Method and apparatus for improving signal reception in a receiver | Jerry Bolton, Charles R. Ruelke | 2010-03-23 |
| 7250817 | Linear power efficient radio frequency (RF) driver system and method with power level control | — | 2007-07-31 |
| 6864817 | Signaling dependent adaptive analog-to-digital converter (ADC) system and method of using same | John J. Parkes, Jr., James J. Riches | 2005-03-08 |
| 6768353 | Prescaler method and apparatus | Cesar Carralero, Darrell Davis | 2004-07-27 |
| 6677876 | Differential sigma-delta DAC with dynamic spectral shaping | Steven Hoggarth, Edward Diaz | 2004-01-13 |
| 6418303 | Fast attack automatic gain control (AGC) loop and methodology for narrow band receivers | Dane E. Blackburn | 2002-07-09 |
| 6356217 | Enhanced DC offset correction through bandwidth and clock speed selection | Keith A. Tilley, Enrique Ferrer | 2002-03-12 |
| 6324230 | Multimode fast attack automatic gain control (AGC) loop for narrow band receivers | David J. Graham, Dane E. Blackburn, Keith A. Tilley | 2001-11-27 |
| 6317064 | DC offset correction adaptable to multiple requirements | Enrique Ferrer, James Goatley, Keith A. Tilley | 2001-11-13 |
| 6225848 | Method and apparatus for settling and maintaining a DC offset | Keith A. Tilley, Enrique Ferrer, Atif Meraj, David J. Graham | 2001-05-01 |
| 6114980 | Method and apparatus for settling a DC offset | Keith A. Tilley, Enrique Ferrer | 2000-09-05 |
| 6081700 | Radio having a self-tuning antenna and method thereof | Gustavo Dario Leizerovich | 2000-06-27 |
| 6002303 | Oscillator circuit having a differential configuration and method of forming same | Cesar Carralero, Branko Avanic | 1999-12-14 |
| 5986514 | Self-biased voltage controlled oscillator (VCO) method and apparatus | Gustavo Dario Leizerovich, Peter J. Yeh | 1999-11-16 |
| 5973570 | Band centering frequency multiplier | Ramon Ponce, Armando J. Gonzalez | 1999-10-26 |
| 5903196 | Self centering frequency multiplier | Ramon Ponce, Armando J. Gonzalez | 1999-05-11 |