Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7515929 | Receiver for a multimode radio | Balasubramanian Ramachandran, John E. Vasa, Tudor Lipan | 2009-04-07 |
| 7502625 | Integrated multi-band transceiver for use in mobile communication device | Darioush Agahi, Balasubramanian Ramachandran | 2009-03-10 |
| 7480349 | Low IF receiver systems and methods | William J. Domino, Morten Damgaard | 2009-01-20 |
| 7254381 | Reducing DSP schedule bottlenecks in edge through premature USF decoding | Arun Sukheja, Mark Frank | 2007-08-07 |
| 7187314 | System for reducing amplitude digital-to-analog converter (DAC) resolution in a polar transmitter | Morten Damgaard, John E. Vasa | 2007-03-06 |
| 7013153 | Method and system for generating a secure wireless link between a handset and base station | Virginia M. Chan, Xiaohua Joseph Xie | 2006-03-14 |
| 6865216 | Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone | John Walley | 2005-03-08 |
| 6862313 | Direct conversion spread spectrum time division duplex radio | John Walley, D. Vincent Laub | 2005-03-01 |
| 6766162 | Message notification system for wireless communication system | — | 2004-07-20 |
| 6754483 | Method and system for generating a secure wireless link between a handset and base station | Virginia M. Chan, Xiaohua Joseph Xie | 2004-06-22 |
| 6744808 | Techniques to increase data transmission rate of spread spectrum communications systems | John Walley | 2004-06-01 |
| 6731747 | Signal detector with echo cancellation | Jeffrey D. Klein | 2004-05-04 |
| 6694143 | System for using a local wireless network to control a device within range of the network | Robert Stanley Saunders, John Walley, Hon M. Yung | 2004-02-17 |
| 6653932 | System and method for achieving wireless communications coverage in a local area | Robert Stanley Saunders, John Walley, Raymond Hon Mo Yung | 2003-11-25 |
| 6507734 | Method and system which uses sound wave based communication to generate a secure wireless link between a handset and base station | Doug Berger, Xiaohua Joseph Xie | 2003-01-14 |
| 6507297 | System and method for variable gain coder-decoder | Robert K. Perez | 2003-01-14 |
| 6473613 | Method and system for generating a secure wireless link between a handset and base station | Virginia M. Chan, Xiaohua Xie | 2002-10-29 |
| 6445732 | Dynamic range reduction circuitry for a digital communications receiver | Robert K. Perez | 2002-09-03 |
| 6411646 | Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone | John Walley, D. Vincent Laub | 2002-06-25 |
| 6404863 | First party signalling for call waiting calling number identification (CWCID) system | — | 2002-06-11 |
| 6404868 | Peer-to-peer transfer using pre-existing caller ID CLASS FSK signaling infrastructure | Robert Stanley Saunders, John Walley, Raymond Hon Mo Yung | 2002-06-11 |
| 6304642 | Peer-to-peer data transfer using pre-existing caller ID CLASS FSK signaling infrastructure | Robert Stanley Saunders, John Walley, Raymond Hon Mo Yung | 2001-10-16 |
| 6256476 | Power management for a telephone system by dynamically adjusting transmission power | John Walley | 2001-07-03 |
| 6252528 | System and method for variable gain coder-decoder | Robert K. Perez | 2001-06-26 |