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Class Information
Number: 342/172
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Testing or calibrating of radar system > By simulation > With delay
Description: Subject matter including circuit means in the simulator to retard the passage of signals from one part of the apparatus under test to another.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8559491 Methods and devices for determining the impulse response of propagation channels involving emitters, reflectors and sensors that are fixed or mobile Oct. 15, 2013
8466831 Switchable delays optical fibre transponder with optical generation of doppler shift Jun. 18, 2013
8441396 Systems and methods of providing error tolerant robust simplex wireless data for systems employing time correlated data transfer May. 14, 2013
8077098 Antenna test system Dec. 13, 2011
7978126 Compact synthetic aperture radar test range Jul. 12, 2011
7925251 Automatic delay calibration and tracking for ultra-wideband antenna array Apr. 12, 2011
7782250 Millimeter wave radar target simulation systems and methods Aug. 24, 2010
7724182 Radar system May. 25, 2010
7548188 Precision radio frequency delay device Jun. 16, 2009
7430413 Method and device for simulating a radio channel Sep. 30, 2008
7365677 Compact radar test range Apr. 29, 2008
7333050 Radio frequency signature augmentation system Feb. 19, 2008
7129839 Device for monitoring an area Oct. 31, 2006
6865394 Location detection method, location detection system and location detection program Mar. 8, 2005
6803877 Device for generating a transit time delay of a pulsed radar signal and method for operation thereof Oct. 12, 2004
6756933 Radar system and characteristic adjustment method thereof Jun. 29, 2004
6529156 Self calibration of transponder apparatus Mar. 4, 2003
6492939 Phase coherent optically delayed radar target Dec. 10, 2002
6384771 Automated target generator range and doppler calculator May. 7, 2002
6384772 Wideband phase locking of low offset frequency sources May. 7, 2002
RE37561 RF signal train generator and interferoceivers Feb. 26, 2002
6346909 System for generating simulated radar targets Feb. 12, 2002
6127962 Image rejection mixer Oct. 3, 2000
6067042 Test beacon for radar system May. 23, 2000
6067041 Moving target simulator May. 23, 2000
6011506 Different models for RF signal train generators and interferoceivers Jan. 4, 2000
5973638 Smart antenna channel simulator and test system Oct. 26, 1999
5920281 Radar test system for collision avoidance automotive radar Jul. 6, 1999
5892479 Electromagnetic target generator Apr. 6, 1999
5786786 Photonic radar decoy Jul. 28, 1998
5721554 Near field planar wave generation for electronic range testing Feb. 24, 1998
5589929 RF signal train generator and interferoceivers Dec. 31, 1996
5518400 Portable radar target simulator May. 21, 1996
5442360 Echo distance-measuring system with calibration apparatus Aug. 15, 1995
5431568 Radar target generator Jul. 11, 1995
5426433 Coherent RF pulse multiplier Jun. 20, 1995
5384572 Testing of airborne windshear radars Jan. 24, 1995
5351054 Radar target with delayed reply means Sep. 27, 1994
5339087 Wavefront simulator for evaluating RF communication array signal processors Aug. 16, 1994
5300934 Radar altimeter loop simulator Apr. 5, 1994
5262787 Recirculating delay line radar performance monitor Nov. 16, 1993
5223840 Low cost radar target simulator for remote radar testing Jun. 29, 1993
5181036 False return signal apparatus Jan. 19, 1993
5177488 Programmable fiber optic delay line, and radar target simulation system incorporating the same Jan. 5, 1993
5164734 Radar target with delayed reply means Nov. 17, 1992
5138325 Shipboard sensor exerciser apparatus Aug. 11, 1992
5047782 System and method for simulating targets for a radar receiver utilizing an optical link Sep. 10, 1991
5005017 Multiple pulse delay processor Apr. 2, 1991
4982196 Radar target simulator Jan. 1, 1991
4903029 Delayed replica radar test set target Feb. 20, 1990

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