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Class Information
Number: 342/435
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > Direction-finding receiver only > With plural fixed antenna pattern comparing > Successively commutated > By diode switching
Description: Subject matter wherein the receiver is periodically connected to the various antennas by diode switching means.










Patents under this class:

Patent Number Title Of Patent Date Issued
8676430 Controlling a vehicle having inadequate map data Mar. 18, 2014
8525728 Method of detecting object in the vicinity of a vehicle Sep. 3, 2013
8521352 Controlling a vehicle having inadequate map data Aug. 27, 2013
8188836 Apparatus for switching high frequency signals May. 29, 2012
6606057 High gain planar scanned antenna array Aug. 12, 2003
4833478 Automatic direction finder antenna array May. 23, 1989
4635065 Antenna device for direction finders Jan. 6, 1987
4622540 Security system status reporting Nov. 11, 1986
4510498 Plate antenna for direction finder Apr. 9, 1985
4475106 High sensitivity portable radio direction finder Oct. 2, 1984
4317120 Sector scan ADF system Feb. 23, 1982
4263597 Nondisruptive ADF system Apr. 21, 1981
4028624 Electronic switching arrangement for a homing and traffic radio system Jun. 7, 1977
4025924 Mobile direction comparator May. 24, 1977
3995236 Double sideband modulator Nov. 30, 1976











 
 
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