Issued Patents All Time
Showing 226–250 of 292 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7099367 | Method and apparatus for converting RF signals to baseband | James L. Richards | 2006-08-29 |
| 7079827 | Method and apparatus for power control in an ultra wideband impulse radio system | James L. Richards, Ivan A. Cowie | 2006-07-18 |
| 7046187 | System and method for active protection of a resource | Mark D. Roberts, James L. Richards | 2006-05-16 |
| 7030806 | Time domain radio transmission system | — | 2006-04-18 |
| 7027425 | Impulse radio virtual wireless local area network system and method | James S. Finn | 2006-04-11 |
| 6950485 | Precision timing generator apparatus and associated methods | James L. Richards, Preston Jett, Lawrence E. Larson, David A. Rowe | 2005-09-27 |
| 6937667 | Apparatus, system and method for flip modulation in an impulse radio communications system | James L. Richards, Ivan A. Cowie, David M. Dickson, Vernon R. Brethour, Preston Jett | 2005-08-30 |
| 6933882 | Time domain radio transmission system | — | 2005-08-23 |
| 6922166 | System and method for distance measurement by inphase and quadrature signals in a radio system | James L. Richards, David C. Meigs, Randall S. Stanley, Ivan A. Cowie | 2005-07-26 |
| 6882301 | Time domain radio transmission system | — | 2005-04-19 |
| 6847675 | Ultrawide-band communication system and method | Ivan A. Cowie | 2005-01-25 |
| 6823022 | Method for mitigating effects of interference in impulse radio communication | James L. Richards, Vernon R. Brethour, Mark D. Roberts, Mark Barnes, Ivan A. Cowie +1 more | 2004-11-23 |
| 6788730 | Method and apparatus for applying codes having pre-defined properties | James L. Richards, Mark D. Roberts, Marcus H. Pendergrass | 2004-09-07 |
| 6778603 | Method and apparatus for generating a pulse train with specifiable spectral response characteristics | Mark D. Roberts, James L. Richards, Marcus H. Pendergrass | 2004-08-17 |
| 6774846 | System and method for position determination by impulse radio | James L. Richards, Ivan A. Cowie | 2004-08-10 |
| 6763057 | Vector modulation system and method for wideband impulse radio communications | James L. Richards, Ivan A. Cowie, Vernon R. Brethour | 2004-07-13 |
| 6710736 | System and method for intrusion detection using a time domain radar array | James L. Richards | 2004-03-23 |
| 6705942 | Method and apparatus for managing golf related information obtained in part by using impulse radio technology | Dale W. Crook, Donald A. Kelly | 2004-03-16 |
| 6674396 | System and method for distance measurement by inphase and quadrature signals in a radio system | James L. Richards | 2004-01-06 |
| 6671310 | Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics | James L. Richards, Mark D. Roberts, Marcus H. Pendergrass | 2003-12-30 |
| 6636567 | Method of specifying non-allowable pulse characteristics | Mark D. Roberts, Marcus H. Pendergrass, James L. Richards | 2003-10-21 |
| 6636573 | Precision timing generator system and method | James L. Richards, Preston Jett, Lawrence E. Larson, David A. Rowe | 2003-10-21 |
| 6636566 | Method and apparatus for specifying pulse characteristics using a code that satisfies predefined criteria | Mark D. Roberts, Marcus H. Pendergrass, James L. Richards | 2003-10-21 |
| 6611234 | System and method for position determination by impulse radio using round trip time-of-flight | James L. Richards, Ivan A. Cowie | 2003-08-26 |
| 6606051 | Pulse-responsive dipole antenna | Mark Barnes | 2003-08-12 |