Issued Patents All Time
Showing 101–112 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917328 | Radio frequency device for receiving TV signals and GPS satellite signals and performing positioning | James J. Spilker, Jr. | 2005-07-12 |
| 6879286 | Position location using ghost canceling reference television signals | James J. Spilker, Jr. | 2005-04-12 |
| 6861984 | Position location using broadcast digital television signals | James J. Spilker, Jr. | 2005-03-01 |
| 6859173 | Position location using broadcast television signals and mobile telephone signals | James J. Spilker, Jr., Jimmy K. Omura | 2005-02-22 |
| 6839024 | Position determination using portable pseudo-television broadcast transmitters | James J. Spilker, Jr. | 2005-01-04 |
| 6753812 | Time-gated delay lock loop tracking of digital television signals | James J. Spilker, Jr. | 2004-06-22 |
| 6727847 | Using digital television broadcast signals to provide GPS aiding information | James J. Spilker, Jr., Jimmy K. Omura, Matthew Dalton Pierce | 2004-04-27 |
| 6717547 | Position location using broadcast television signals and mobile telephone signals | James J. Spilker, Jr., Jimmy K. Omura | 2004-04-06 |
| 6559800 | Position location using broadcast analog television signals | James J. Spilker, Jr. | 2003-05-06 |
| 6522297 | Position location using ghost canceling reference television signals | James J. Spilker, Jr. | 2003-02-18 |
| 6373432 | System using leo satellites for centimeter-level navigation | Bradford W. Parkinson, Clark E. Cohen, David G. Lawrence | 2002-04-16 |
| 6351740 | Method and system for training dynamic nonlinear adaptive filters which have embedded memory | — | 2002-02-26 |