Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8842717 | Method and apparatus for rapid acquisitions of GPS signals in space applications | — | 2014-09-23 |
| 8253624 | Detection and reduction of periodic jamming signals in GPS receivers and methods therefor | Thomas Ricks, David E. Murray | 2012-08-28 |
| 7969356 | Satellite positioning system receivers and methods | George J. Geier, Mark Heng, Robert Harbour | 2011-06-28 |
| 7747257 | GPS assistance messages in cellular communications networks and methods therefor | Yilin Zhao, George J. Geier | 2010-06-29 |
| 7720601 | Method and apparatus for compressing GPS satellite broadcast message information | Yilin Zhao, George J. Geier | 2010-05-18 |
| 7623066 | Satellite positioning system receiver time determination in minimum satellite coverage | George J. Geier, James Stephen | 2009-11-24 |
| 7551127 | Reconfigurable downconverter for a multi-band positioning receiver | Noshir Dubash | 2009-06-23 |
| 7463979 | Method and apparatus for initializing an approximate position in a GPS receiver | — | 2008-12-09 |
| 7336224 | Satellite positioning system receivers and methods | George J. Geier, Mark Heng, Robert Harbour | 2008-02-26 |
| 7298321 | Satellite positioning system receivers and methods | George J. Geier, Mark Heng, Robert Harbour | 2007-11-20 |
| 7250904 | Navigation satellite acquisition in satellite positioning system receiver | Alan Chang, Troy L. Strother | 2007-07-31 |
| 7064706 | Method and apparatus for assisted GPS | George J. Geier, Yilin Zhao | 2006-06-20 |
| 7062240 | Automatic frequency control processing in multi-channel receivers | Wayne Ballantyne | 2006-06-13 |
| 7061425 | Frequency error tracking in satellite positioning system receivers | George J. Geier, Ravikiran Nory, Xiang Yuan | 2006-06-13 |
| 6965754 | Satellite positioning system receiver with reference oscillator circuit and methods therefor | — | 2005-11-15 |
| 6944540 | Time determination in satellite positioning system receivers and methods therefor | George J. Geier, Rodney P. Landers, Michael J. Slade, Paul Declerck | 2005-09-13 |
| 6934322 | Data message bit synchronization and local time correction methods and architectures | George J. Geier, Troy L. Strother | 2005-08-23 |
| 6888497 | Method and mobile station for determining a code phase | George J. Geier | 2005-05-03 |
| 6839020 | Aiding location determinations in satellite positioning system receivers | George J. Geier, William P. Declerck, James Stephen | 2005-01-04 |
| 6804290 | Method of acquiring signal code phases and geographic positioning receiver | Jeffrey J. Ogren | 2004-10-12 |
| 6775319 | Spread spectrum receiver architectures and methods therefor | Denise Carol Riemer, Robert Harbour, Andrew Paul Hoover | 2004-08-10 |
| 6756938 | Satellite positioning system receivers and methods therefor | Yilin Zhao, George J. Geier | 2004-06-29 |
| 6661371 | Oscillator frequency correction in GPS signal acquisition | George J. Geier, Sayfe Kiaei | 2003-12-09 |
| 6642886 | Prioritizing satellite search order based on doppler uncertainty | — | 2003-11-04 |
| 6583758 | Memory reduction method for a DSP-based GPS processor | — | 2003-06-24 |