| 7813699 |
Transceiver redundancy in an electronic toll collection system |
Thua Van Ho, Daniel Terrier, Roger Shun Hong Tong, Japjeev Kohli |
2010-10-12 |
| 7463197 |
Multi-band antenna |
Gholamreza Rafi, Safieddin Safavi-Naeini, Sujeet K. Chaudhuri |
2008-12-09 |
| 7408480 |
Dual mode electronic toll collection transponder |
Henry Sun Yee Woo, Paul Manuel, Weimin He, Daniel Terrier, Roger Shun Hong Tong |
2008-08-05 |
| 7388501 |
Method of enabling two-state operation of electronic toll collection system |
Thua Van Ho |
2008-06-17 |
| 7342500 |
Compact microstrip transponder antenna |
Thua Van Ho |
2008-03-11 |
| 7262711 |
External indicator for electronic toll communications |
Jeffrey Zhu |
2007-08-28 |
| 7233260 |
Electronic toll collection system |
Thua Van Ho |
2007-06-19 |
| 7183976 |
Compact inverted-F antenna |
Ke-Li Wu, Yong Huang |
2007-02-27 |
| 6882251 |
Microwave filter with adaptive predistortion |
Ming Yu, Van Dokas |
2005-04-19 |
| 5608363 |
Folded single mode dielectric resonator filter with cross couplings between non-sequential adjacent resonators and cross diagonal couplings between non-sequential contiguous resonators |
Richard J. Cameron, Van Dokas |
1997-03-04 |
| 5589807 |
Multi-mode temperature compensated filters and a method of constructing and compensating therefor |
— |
1996-12-31 |
| 4881051 |
Dielectric image-resonator multiplexer |
Richard J. Cameron, David Bryant |
1989-11-14 |
| 4675630 |
Triple mode dielectric loaded bandpass filter |
David Siu, Bruce C. Beggs, Joseph Sferrazza |
1987-06-23 |
| 4652843 |
Planar dual-mode cavity filters including dielectric resonators |
David Siu, Bruce C. Beggs, Joseph Sferrazza |
1987-03-24 |
| 4644305 |
Odd order elliptic waveguide cavity filters |
Joseph Frenna, David Siu |
1987-02-17 |
| 4630009 |
Cascade waveguide triple-mode filters useable as a group delay equalizer |
— |
1986-12-16 |
| 4622523 |
Group delay equalizers using short circuit triple mode filters |
— |
1986-11-11 |
| 4513264 |
Bandpass filter with plurality of wave-guide cavities |
James B. Dorey |
1985-04-23 |