| 6307441 |
Shape modulation transmit loop with digital frequency control and method for same |
— |
2001-10-23 |
| 5949281 |
Self aligning PLL demodulator |
— |
1999-09-07 |
| 5701127 |
Automatic vehicle identification system capable of vehicle lane discrimination |
— |
1997-12-23 |
| 5675342 |
Automatic vehicle identification system capable of vehicle lane discrimination |
— |
1997-10-07 |
| 5621412 |
Multi-stage transponder wake-up, method and structure |
Dwaine S. Hurta, Mark Allen Hamlett |
1997-04-15 |
| 5490079 |
System for automated toll collection assisted by GPS technology |
Robert Lindsley |
1996-02-06 |
| 5471212 |
Multi-stage transponder wake-up, method and structure |
Dwaine S. Hurta, Mark Allen Hamlett, Guenther Froschermeier |
1995-11-28 |
| 5448242 |
Modulation field detection, method and structure |
Oscar Barraza |
1995-09-05 |
| 4651282 |
Microcomputer based keyboard command entry concept for VHF communication and navigation systems |
Eugene A. Robinson, James Iseli, Julio E. Valella, Kuen-Yu Liu |
1987-03-17 |
| 4539566 |
Automatic interference canceling apparatus |
Cecil C. Ho |
1985-09-03 |
| 4435711 |
Radio telephone with position transmission capability |
Cecil C. Ho, Bruce A. Butcher, Alexander G. Bell |
1984-03-06 |
| 4380767 |
Controlled antenna tuner |
Kenneth Goldstein |
1983-04-19 |