Issued Patents All Time
Showing 201–222 of 222 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281837 | Auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite | Robert Ellis Richton | 2001-08-28 |
| 6256475 | Telecommunications-assisted satellite positioning system | — | 2001-07-03 |
| 6252545 | Enhancement of signal-detection capability of GPS systems | Ren DA | 2001-06-26 |
| 6175270 | Method and apparatus for tailored distortion of a signal prior to amplification to reduce clipping | — | 2001-01-16 |
| 6130623 | Encryption for modulated backscatter systems | John Austin MacLellan | 2000-10-10 |
| 6118977 | Telecommunications-assisted satellite positioning system | — | 2000-09-12 |
| 6114991 | Auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite | Robert Ellis Richton | 2000-09-05 |
| 6100790 | Modulated backscatter wireless communication system having an extended range | James G. Evans, R. Anthony Shober, Stephen A. Wilkus | 2000-08-08 |
| 6067292 | Pilot interference cancellation for a coherent wireless code division multiple access receiver | Howard Huang, Chih-Lin I, Stephan ten Brink | 2000-05-23 |
| 6021330 | Mobile location estimation in a wireless system using designated time intervals of suspended communication | — | 2000-02-01 |
| 5940006 | Enhanced uplink modulated backscatter system | John Austin MacLellan, R. Anthony Shober | 1999-08-17 |
| 5890055 | Method and system for connecting cells and microcells in a wireless communications network | Ta-Shing Chu, Martin Clark, Peter Driessen, Vinko Erceg, Lawrence Joel Greenstein +2 more | 1999-03-30 |
| 5873025 | Modulated backscatter wireless communication system having an extended range | James G. Evans, R. Anthony Shober, Stephen A. Wilkus | 1999-02-16 |
| 5740165 | Wireless TDMA transmitter with reduced interference | — | 1998-04-14 |
| 5689238 | Object locator system and methods therefor | Thomas Clavin Cannon, Jr., Theodore Sizer, II, Robert W. Wilson, Gregory A. Wright | 1997-11-18 |
| 5649296 | Full duplex modulated backscatter system | John Austin MacLellan, R. Anthony Shober, Gregory A. Wright | 1997-07-15 |
| 5649295 | Dual mode modulated backscatter system | R. Anthony Shober, Gregory A. Wright | 1997-07-15 |
| 5640683 | Modulated backscatter wireless communication system having an extended range | James G. Evans, R. Anthony Shober, Stephen A. Wilkus | 1997-06-17 |
| 5513184 | Wireless communication system | — | 1996-04-30 |
| 5459727 | Wireless telecommunication system | — | 1995-10-17 |
| 5150377 | Direct sequence spread spectrum (DSSS) communications system with frequency modulation utilized to achieve spectral spreading | — | 1992-09-22 |
| 4703474 | Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system | Gerard J. Foschini | 1987-10-27 |