Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576699 | Mobile phone having a directed beam antenna | Insung Kang | 2009-08-18 |
| 7199760 | Mobile phone having a directed beam antenna | Insung Kang | 2007-04-03 |
| 7013120 | Walking weaver image reject mixer for radio | — | 2006-03-14 |
| 6993295 | Weaver image reject mixer with fine resolution frequency step size | — | 2006-01-31 |
| 6980166 | Antenna polarization separation to provide signal isolation | — | 2005-12-27 |
| 6745018 | Active cancellation of a wireless coupled transmit signal | Ephraim Zehavi, Robert S. Wentworth, James P. K. Gilb | 2004-06-01 |
| 6518929 | Antenna polarization separation to provide signal isolation | — | 2003-02-11 |
| 5861844 | Method and apparatus for providing redundant coverage within a cellular communication system | Daniel George Laramie | 1999-01-19 |
| 5844985 | Vertically correcting antenna for portable telephone handsets | Eric C. Kulberg, William R. Panton, James H. Thompson, Stephen B. Tidwell | 1998-12-01 |
| 5835847 | Pilot signal strength control for a low earth orbiting satellite communications system | James H. Thompson | 1998-11-10 |
| 5757239 | Direct digital synthesizer driven phase lock loop frequency synthesizer with clean up phase lock loop | — | 1998-05-26 |
| 5128623 | Direct digital synthesizer/direct analog synthesizer hybrid frequency synthesizer | — | 1992-07-07 |
| 5028887 | Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter | — | 1991-07-02 |
| 4965533 | Direct digital synthesizer driven phase lock loop frequency synthesizer | — | 1990-10-23 |