Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9274225 | Method and apparatus for generating and distributing satellite tracking information | Charles Abraham, Frank van Diggelen | 2016-03-01 |
| 8963773 | Method and apparatus for maintaining integrity of long-term orbits in a remote receiver | Frank van Diggelen | 2015-02-24 |
| 8212719 | Method and apparatus for background decoding of a satellite navigation message to maintain integrity of long term orbit information in a remote receiver | Frank van Diggelen | 2012-07-03 |
| 8032301 | Computing long term orbit and clock models with variable time-horizons | Frank van Diggelen | 2011-10-04 |
| 7693660 | Computing long term orbit and clock models with variable time-horizons | Frank van Diggelen | 2010-04-06 |
| 7548816 | Method and apparatus for generating and securely distributing long-term satellite tracking information | Sergei Podshivalov, Frank van Diggelen, Charles Abraham | 2009-06-16 |
| 7443340 | Method and apparatus for generating and distributing satellite tracking information | Charles Abraham, Frank van Diggelen | 2008-10-28 |