| 6845126 |
System and method for adaptive antenna impedance matching |
Paul W. Dent |
2005-01-18 |
| 6831907 |
Digital format U.S. commercial FM broadcast system |
Paul W. Dent |
2004-12-14 |
| 6484038 |
Method and apparatus for generating a plurality of reference frequencies in a mobile phone using a common crystal reference oscillator |
Charles Gore, Paul W. Dent |
2002-11-19 |
| 6308048 |
Simplified reference frequency distribution in a mobile phone |
Charles Gore, Paul W. Dent |
2001-10-23 |
| 6272356 |
Mechanical spring antenna and radiotelephones incorporating same |
Russell Evans Winstead, Gerard James Hayes |
2001-08-07 |
| 6125268 |
Tuning bandwidth minimization for low voltage dual band receiver |
Ronald D. Boesch |
2000-09-26 |
| 6009312 |
Transmit signal generation with the aid of a receiver |
— |
1999-12-28 |
| 5966646 |
Dual-band radio receiver |
Ross W. Lampe |
1999-10-12 |
| 5923647 |
Circulator usage in time division duplex radios |
Terrence E. Rogers |
1999-07-13 |
| 5852772 |
Receiver IF system with active filters |
Ross W. Lampe, John T. Gillette, Antonio Montalvo |
1998-12-22 |
| 5740522 |
Method and apparatus for reducing receive band transmitter-chain noise for a portable duplex transceiver |
Ross W. Lampe, Xue-Song Zhou |
1998-04-14 |
| 5734307 |
Distributed device for differential circuit |
Jacob Mannerstråle, Jeffrey Scott Kemp |
1998-03-31 |
| 4680749 |
Duplex radio transceiver having improved data/tone and audio modulation architecture |
Arvid E. Englund, Jr., Stephen R. Wynn, Frederick J. Highton, Rickey D. Harris |
1987-07-14 |
| 4430756 |
Oscillator control circuit |
Gregory N. Mears |
1984-02-07 |
