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Class Information
Number: 342/51
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Radar transponder system > Radar transponder only
Description: Subject matter including a radar transponder means, per se.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7598905 |
Systems and methods for monitoring transponder performance |
Oct. 6, 2009 |
| 7573368 |
Electromagnetic transponder with no autonomous power supply |
Aug. 11, 2009 |
| 7522878 |
Adaptive inductive power supply with communication |
Apr. 21, 2009 |
| 7509217 |
Vehicle detector and vehicle detecting method |
Mar. 24, 2009 |
| 7504992 |
Wireless system using continuous wave phase measurement for high-precision distance measurement |
Mar. 17, 2009 |
| 7501978 |
Short-distance ranging system |
Mar. 10, 2009 |
| 7486226 |
Device and a method for accurate radar level gauging |
Feb. 3, 2009 |
| 7479884 |
System and method for monitoring objects, people, animals or places |
Jan. 20, 2009 |
| 7471235 |
Mode S transponder transmission signal decoder and mode S transponder transmission signal decoding method |
Dec. 30, 2008 |
| 7460059 |
Removing interfering clutter associated with radar pulses that an airborne radar receives from a radar transponder |
Dec. 2, 2008 |
| 7447480 |
Wireless, especially mobile, communication device for communicating with communication devices in vehicles |
Nov. 4, 2008 |
| 7436350 |
Combined aircraft TCAS/transponder with common antenna system |
Oct. 14, 2008 |
| 7372398 |
Electronic target position control at millimeter wave for hardware-in-the-loop applications |
May. 13, 2008 |
| 7323977 |
Tunable RFID tag for global applications |
Jan. 29, 2008 |
| 7292822 |
Wireless communication system using surface acoustic wave (SAW) second harmonic techniques |
Nov. 6, 2007 |
| 7239264 |
Radar transponder |
Jul. 3, 2007 |
| 7221308 |
Joint stars embedded data link |
May. 22, 2007 |
| 7209071 |
System and method for distance measurement |
Apr. 24, 2007 |
| 7196654 |
Vehicle positioning and tracking radar system |
Mar. 27, 2007 |
| 7170867 |
Radio frequency data communications device |
Jan. 30, 2007 |
| 7164380 |
Interrogator and goods management system adopting the same |
Jan. 16, 2007 |
| 7164886 |
Bluetooth transparent bridge |
Jan. 16, 2007 |
| 7158763 |
Multi-IDT SAW hybrid communication system |
Jan. 2, 2007 |
| 7106245 |
Digital RF tag |
Sep. 12, 2006 |
| 7106246 |
Oscillator coupled to an antenna and an application |
Sep. 12, 2006 |
| 7053524 |
Surface acoustic wave sensor or identification device with biosensing capability |
May. 30, 2006 |
| 7046186 |
Friend/foe identification system for a battlefield |
May. 16, 2006 |
| 7042388 |
Beacon-on-demand radar transponder |
May. 9, 2006 |
| 7034741 |
Apparatus for detecting position information of a moving object |
Apr. 25, 2006 |
| 7035322 |
Wireless digital data transmission from a passive transceiver |
Apr. 25, 2006 |
| 7030805 |
Methods and system suppressing clutter in a gain-block, radar-responsive tag system |
Apr. 18, 2006 |
| 7023323 |
Frequency hopping spread spectrum passive acoustic wave identification device |
Apr. 4, 2006 |
| 7023342 |
Continuous wave (CW)--fixed multiple frequency triggered, radio frequency identification (RFID) tag and system and method employing same |
Apr. 4, 2006 |
| 7015856 |
Device and method for SPR detection in a Mode-S transponder |
Mar. 21, 2006 |
| 7009553 |
Device and method for alert and density altitude features in a transponder |
Mar. 7, 2006 |
| 7005964 |
Dual track surface acoustic wave RFID/sensor |
Feb. 28, 2006 |
| 6967428 |
Selectable reflector arrays for SAW sensors and identification devices |
Nov. 22, 2005 |
| 6950009 |
Dual mode transmitter/receiver and decoder for RF transponder units |
Sep. 27, 2005 |
| 6946952 |
Data carrier for transmitting data with different transmission parameters |
Sep. 20, 2005 |
| 6946989 |
Transponder, including transponder system |
Sep. 20, 2005 |
| 6943725 |
Access control system with limited evaluation of code and distance information |
Sep. 13, 2005 |
| 6919793 |
Radio frequency identification system write broadcast capability |
Jul. 19, 2005 |
| 6907090 |
Method and apparatus to recover data from pulses |
Jun. 14, 2005 |
| 6876296 |
Smart license tag system |
Apr. 5, 2005 |
| 6870461 |
Integrated receiving/backscattering arrangement for contactless data transmission |
Mar. 22, 2005 |
| 6861971 |
Transponder having high phase stability, particularly for synthetic aperture radar, or sar, systems |
Mar. 1, 2005 |
| 6838989 |
RFID transponder having active backscatter amplifier for re-transmitting a received signal |
Jan. 4, 2005 |
| 6836472 |
Radio frequency data communications device |
Dec. 28, 2004 |
| 6836468 |
Radio frequency data communications device |
Dec. 28, 2004 |
| 6825794 |
Wireless communication system using surface acoustic wave (SAW) second harmonic techniques |
Nov. 30, 2004 |
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