Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156320 | Method and apparatus for fast booting a portable computing device allowing for immediate operation | Jose Fernandez, Zaffer S. Merchant | 2012-04-10 |
| 7177803 | Method and apparatus for enhancing loudness of an audio signal | Marc Boillot, John G. Harris, Thomas Lawrence Reinke, Zaffer S. Merchant | 2007-02-13 |
| 7136680 | Motion detecting wireless receiver and signal monitoring method therefor | Gustavo Dario Leizerovich, Wayne Ballantyne | 2006-11-14 |
| 6990362 | Communication unit energy conservation apparatus and method | Floyd D. Simpson, Eryk Dutkiewicz, Raad Raad, Christopher G. Ware | 2006-01-24 |
| 6940407 | Method and apparatus for detecting loss and location of a portable communications device | Carlos Miranda-Knapp, Wayne Ballantyne, Joseph L. Dvorak, Sacha B. Holland | 2005-09-06 |
| 6184651 | Contactless battery charger with wireless control link | Jose M. Fernandez | 2001-02-06 |
| 6011784 | Communication system and method using asynchronous and isochronous spectrum for voice and data | David L. Brown, Paul D. Marko | 2000-01-04 |
| 5901347 | Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same | Mark Chambers, S. Hossein Beladi | 1999-05-04 |
| 5715240 | Communication device capable of estimating signal quality without synchronization pattern | Steven C. Jasper, James P. Michels, Troy J. Beukema | 1998-02-03 |
| 5557743 | Protection circuit for a microprocessor | Raul Pombo, Michel Bron | 1996-09-17 |
| 5495208 | Wide band tunable and modulatable reference oscillator | Armando J. Gonzalez, Kenneth D. Cornett | 1996-02-27 |
| 5465409 | Radio architecture with dual frequency source selection | Mark Chambers, Jesus S. Pena Finol, Armando J. Gonzalez, Cesar Carralero, Sayed Hossain Beladi +1 more | 1995-11-07 |
| 5402448 | Burst mode receiver control | Paul D. Marko, David L. Brown, Ronald E. Sharp | 1995-03-28 |
| 5371898 | Method for a communication unit to operate in either a trunking or a cellular communication system | Gary W. Grube, Richard A. Comroe | 1994-12-06 |
| 5365207 | Multi-bandwidth saw filter | David Penunuri | 1994-11-15 |
| 5333153 | Signal quality detection method and apparatus for optimum audio muting | David L. Brown, Paul D. Marko | 1994-07-26 |
| 5325405 | Burst mode receiver control | Paul D. Marko, David L. Brown, Ronald E. Sharp | 1994-06-28 |
| 5303240 | Telecommunications system using directional antennas | Thomas V. D'Amico, Ronald E. Sharp | 1994-04-12 |
| 5301353 | Communication system and apparatus | David Johnson | 1994-04-05 |
| 5276915 | Transceiver having a divide-down transmit offset scheme | Paul D. Marko | 1994-01-04 |
| 5216389 | Temperature compensation of a crystal reference using direct digital synthesis | Cesar Carralero, Armando J. Gonzalez | 1993-06-01 |
| 5175729 | Radio with fast lock phase-locked loop | Armando J. Gonzalez, Cesar Carralero | 1992-12-29 |
| 5175872 | Combined trunked/cellular communication unit | — | 1992-12-29 |
| 5133080 | Repeater for a controlled radio system | — | 1992-07-21 |
| 5128938 | Energy saving protocol for a communication system | — | 1992-07-07 |