Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7548816 | Method and apparatus for generating and securely distributing long-term satellite tracking information | Matthew Riben, Sergei Podshivalov, Charles Abraham | 2009-06-16 |
| 7522098 | Method and apparatus for validating a position in a satellite positioning system using range-rate measurements | — | 2009-04-21 |
| 7489269 | Method and apparatus for combining measurements and determining clock offsets between different global navigation satellite systems | Javier De Salas | 2009-02-10 |
| 7443340 | Method and apparatus for generating and distributing satellite tracking information | Charles Abraham, Matthew Riben | 2008-10-28 |
| 7400974 | Method and apparatus for locating position of a GPS device | Donald L. Fuchs, Charles Abraham | 2008-07-15 |
| 7256732 | Method and apparatus for location-based triggering in an assisted satellite positioning system | Javier De Salas, Brendan Ludden | 2007-08-14 |
| 7254404 | Method and apparatus for processing position information in a mobile device | Charles Abraham | 2007-08-07 |
| 7253768 | Method and apparatus for mitigating multipath effects at a satellite signal receiver using a sequential estimation filter | Charles Abraham, Sergei Podshivalvo | 2007-08-07 |
| 7245253 | Method and apparatus for processing of satellite signals without time of day information | Charles Abraham | 2007-07-17 |
| 7245255 | Method and apparatus for determining absolute time-of-day in a mobile-assisted satellite positioning system | Charles Abraham | 2007-07-17 |
| 7196660 | Method and system for determining time in a satellite positioning system | Charles Abraham, Sergei Podshivalov | 2007-03-27 |
| 7158080 | Method and apparatus for using long term satellite tracking data in a remote receiver | — | 2007-01-02 |
| 7158883 | Method and apparatus for locating position of a GPS device | Donald L. Fuchs, Charles Abraham | 2007-01-02 |
| 7158882 | Method and apparatus for locating position of a mobile receiver | Charles Abraham | 2007-01-02 |
| 7133772 | Method and apparatus for navigation using instantaneous Doppler measurements from satellites | — | 2006-11-07 |
| 7095370 | Method and apparatus for mitigating multipath effects at a satellite signal receiver using a sequential estimation filter | Charles Abraham, Sergei Podshivalov | 2006-08-22 |
| 7095368 | Method and apparatus for combining measurements and determining clock offsets between different satellite positioning systems | — | 2006-08-22 |
| 6975266 | Method and apparatus for locating position of a satellite signal receiver | Charles Abraham | 2005-12-13 |
| 6958726 | Method and apparatus for adjusting acquisition assistance data received by a mobile receiver from a server | Charles Abraham | 2005-10-25 |
| 6937187 | Method and apparatus for forming a dynamic model to locate position of a satellite receiver | Charles Abraham | 2005-08-30 |
| 6829535 | Method and apparatus for generating satellite tracking information in a compact format | Charles Abraham, James W. LaMance | 2004-12-07 |
| 6819707 | Method and apparatus for performing signal correlation using historical correlation data | Charles Abraham | 2004-11-16 |
| 6813560 | Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris | Charles Abraham | 2004-11-02 |
| 6734821 | Method and apparatus for processing of satellite signals without time of day information | — | 2004-05-11 |
| 6704651 | Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris | — | 2004-03-09 |