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Class Information
Number: 342/47
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Radar transponder system > Navigational > Distance measuring equipment (dme)
Description: Subject matter including means to provide distance information by measuring total round-trip time of transmission from an interrogator to a transponder and return, with internationally recognized signals.










Sub-classes under this class:

Class Number Class Name Patents
342/48 With automatic lock-on 12
342/49 With vor/tacan 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8648722 Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology Feb. 11, 2014
8593330 Multichannel, multimode, multifunction L-band radio transceiver Nov. 26, 2013
8370501 Gesturing to select and configure device communication Feb. 5, 2013
8334801 System and method for real-time locating Dec. 18, 2012
8305215 Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology Nov. 6, 2012
8289129 Locating RFID tags Oct. 16, 2012
8279111 Distance measuring system Oct. 2, 2012
8265808 Autonomous and automatic landing system for drones Sep. 11, 2012
8175546 Receive antenna interface for an RF transceiver May. 8, 2012
8165248 Wireless distance measurement system and wireless terminal Apr. 24, 2012
8102304 Distance measuring equipment and distance measuring equipment monitor system Jan. 24, 2012
8077073 Pulse detecting equipment Dec. 13, 2011
8068052 Radar apparatus and method for forming reception beam of the same Nov. 29, 2011
8063744 System and method for providing timing services and DME aided multilateration for ground surveillance Nov. 22, 2011
7969347 Method for measuring distance and position using spread spectrum signal, and an equipment using the method Jun. 28, 2011
7969311 Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology Jun. 28, 2011
7872583 Methods and system for multi-path mitigation in tracking objects using reduced attenuation RF technology Jan. 18, 2011
7868815 Wireless distance measurement system and wireless distance measurement method Jan. 11, 2011
7746269 DME ground apparatus Jun. 29, 2010
7683823 DME ground apparatus Mar. 23, 2010
7683826 Method of electromagnetic coupling between a radar in the L band and radionavigation equipment item and autoprotection and radionavigation device Mar. 23, 2010
7668621 Robotic guarded motion system and method Feb. 23, 2010
7663532 Method for measuring distance and position using spread spectrum signal, and an equipment using the method Feb. 16, 2010
7639137 System for identifying radio-frequency identification devices Dec. 29, 2009
7639174 DME ground apparatus Dec. 29, 2009
7636058 Pulse signal transmitting apparatus, method of adjusting waveform of the same, and DME ground station apparatus Dec. 22, 2009
7609197 Method for measuring distance and position using spread spectrum signal, and an equipment using the method Oct. 27, 2009
7561048 Methods and system for reduced attenuation in tracking objects using RF technology Jul. 14, 2009
7535405 Method and apparatus for a multifunction radio May. 19, 2009
7525474 Integrated distance measuring equipment and transponder system and method Apr. 28, 2009
7432718 Electronic device and method of controlling same Oct. 7, 2008
7324040 Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system Jan. 29, 2008
7315274 Method and system for determining the position of marine vessels and similar objects Jan. 1, 2008
7280914 Instrumented lock entry and traversing system Oct. 9, 2007
7218994 Robot May. 15, 2007
7161528 Device and method for the suppression of pulsed wireless signals Jan. 9, 2007
7068155 Apparatus and methods for near object detection Jun. 27, 2006
7038589 Systems and methods for tracking an object May. 2, 2006
6992615 Method for verifying dynamically a multiple beam antenna placed on a vehicle Jan. 31, 2006
6900753 Method for measuring distance and position using spread spectrum signal, and an equipment using the method May. 31, 2005
6812884 Transceiver system and method utilizing nanosecond pulses Nov. 2, 2004
6745008 Multi-frequency communication system and method Jun. 1, 2004
6731908 Distance measurement using half-duplex RF techniques May. 4, 2004
6686881 Wireless identification and tracking using magnetic fields Feb. 3, 2004
6657579 Method for measuring distance and position using spread spectrum signal, and an equipment using the method Dec. 2, 2003
6577238 RFID detection system Jun. 10, 2003
6571155 Assembly, computer program product and method for displaying navigation performance based flight path deviation information May. 27, 2003
6473685 Vehicle speed control apparatus Oct. 29, 2002
6459402 Method for measuring distance and position using spectrum signal, and an equipment using the method Oct. 1, 2002
6430494 Preceding vehicle following control apparatus and method for automotive vehicle Aug. 6, 2002

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