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Class Information
Number: 342/48
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Radar transponder system > Navigational > Distance measuring equipment (dme) > With automatic lock-on
Description: Subject matter wherein the interrogator station includes circuit means which is self-activating to lock-on the reply signal.

Patents under this class:

Patent Number Title Of Patent Date Issued
6745008 Multi-frequency communication system and method Jun. 1, 2004
6396434 Radar transponder May. 28, 2002
6114984 Interferometric doppler guidance system Sep. 5, 2000
4599617 Method and apparatus for evaluating the range data accumulated by distance measuring equipment Jul. 8, 1986
4555704 Range reply search apparatus Nov. 26, 1985
RE30069 Multiple ranging DME Aug. 7, 1979
4124850 Video processor for distance measuring equipment Nov. 7, 1978
4035801 Multiple ranging DME Jul. 12, 1977
4028698 DME apparatus and method Jun. 7, 1977
3983557 Digital DME with compensation for ground station intermittencies Sep. 28, 1976
3975731 Airborne positioning system Aug. 17, 1976
3936823 Fast search and lock-on means for distance measuring equipment Feb. 3, 1976

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