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Browse by Category: Main > Communications
Class Information
Number: 342/351
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including a radiometer
Description: Subject matter including means to measure the signal strength of the radio wave energy.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8610041 Missile tracking by GPS reflections Dec. 17, 2013
8558735 High-resolution radar map for multi-function phased array radar Oct. 15, 2013
8392108 Apparatus and method for allocating a current measurement value for a geographical position to a map object Mar. 5, 2013
8179307 Method for the multipath passive radar processing of an FM opportunity signal May. 15, 2012
8149162 Methods and apparatus for N-lateration with noisy data measurements Apr. 3, 2012
8059025 Altimetry method and system Nov. 15, 2011
7925303 Complementary beamforming methods and apparatuses Apr. 12, 2011
7603088 Multi-channel radiometer imaging system and MMIC chips for use thereof Oct. 13, 2009
7460063 Interferometric radiometer Dec. 2, 2008
7402794 Radiometer imaging system and method thereof Jul. 22, 2008
7304607 Microwave self-phasing antenna arrays for secure data transmission and satellite network crosslinks Dec. 4, 2007
7239122 Multi-channel radiometer imaging system Jul. 3, 2007
7221139 Multi-channel radiometer imaging system May. 22, 2007
7199570 Multi-channel radiometer imaging system Apr. 3, 2007
7190444 System and method of measuring field-of-view of an optical sensor Mar. 13, 2007
7088086 Multi-channel radiometer imaging system Aug. 8, 2006
7034516 Multi-channel radiometer imaging system Apr. 25, 2006
6900756 Calibrating radiometers May. 31, 2005
6861978 Method and system for mutual coherent synthetic aperture radiometry Mar. 1, 2005
6834991 Radiometer with programmable noise source calibration Dec. 28, 2004
6593876 Adaptive microwave antenna array Jul. 15, 2003
6563462 Millimeter-wave camera for radiometric imaging and communications May. 13, 2003
6529158 Aperture synthesis radiometer and method of controlling same Mar. 4, 2003
6456226 Nowcast of conviction-induced turbulence using information from airborne radar Sep. 24, 2002
6439763 Variable microwave cold/warm noise source Aug. 27, 2002
6377207 Passive polarimetric microwave radiometer for detecting aircraft icing conditions Apr. 23, 2002
6373558 Passive ranging to a target reflecting solar radiation Apr. 16, 2002
6308043 Wireless communication link quality forecasting Oct. 23, 2001
6307502 Radiometry system with an aperture synthesis type antenna and its application to hyper-frequency imaging Oct. 23, 2001
6275283 Passive ranging to source of known spectral emission to cue active radar system Aug. 14, 2001
6192322 Moving object and transient event detection using rotation strip aperture image measurements Feb. 20, 2001
6184816 Apparatus and method for determining wind profiles and for predicting clear air turbulence Feb. 6, 2001
6155704 Super-resolved full aperture scene synthesis using rotating strip aperture image measurements Dec. 5, 2000
6137440 Microwave active solid state cold/warm noise source Oct. 24, 2000
6133869 Passive technique for the remote detection of buried objects Oct. 17, 2000
6057799 Interferometric hyperfrequency radiometry system with mechanical scanning May. 2, 2000
6031498 Antenna pattern measurement method and device Feb. 29, 2000
5999121 Radiometer and water indicating method Dec. 7, 1999
5999122 Millimeter wave instant photographic camera Dec. 7, 1999
5959548 Electromagnetic signal pickup device Sep. 28, 1999
5943007 Rotating mirror drum radiometer imaging system Aug. 24, 1999
5886664 Method and apparatus for detecting mines using radiometry Mar. 23, 1999
5852419 Rotating mirror drum radiometer imaging system Dec. 22, 1998
5815113 Monolithic, low-noise, synchronous direct detection receiver for passive microwave/millimeter-wave radiometric imaging systems Sep. 29, 1998
5724044 Electrically scanning microwave radiometer Mar. 3, 1998
5724043 Variable frequency microwave tropopause sensor system and method Mar. 3, 1998
5677761 Passive ranging to source of known spectral emission Oct. 14, 1997
5534874 Rotating mirror drum radiometer imaging system Jul. 9, 1996
5430448 Object detection system Jul. 4, 1995
5394157 Method of identifying antenna-mode scattering centers in arrays from planar near field measurements Feb. 28, 1995

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