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Class Information
Number: 342/56
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Combined with diverse type radiant energy system > With direction finding
Description: Subject matter including a device used to determine the direction of arrival of remotely transmitted radio signals.










Patents under this class:

Patent Number Title Of Patent Date Issued
8587416 Locating remote control devices utilizing base unit positioning Nov. 19, 2013
8463463 Methods for formation flying aided by a relative navigation system Jun. 11, 2013
8344936 Systems and methods for providing an advanced ATC data link Jan. 1, 2013
8330646 Sensing/emitting apparatus, system and method Dec. 11, 2012
8199053 Three dimensional RF search system Jun. 12, 2012
8164510 Quantity smoother Apr. 24, 2012
8149156 System and method for estimating location of projectile source or shooter location Apr. 3, 2012
7952513 Counter target acquisition radar and acoustic adjunct for classification May. 31, 2011
7952512 Mobile device enabled radar tags May. 31, 2011
7696919 Bullet approach warning system and method Apr. 13, 2010
7688263 Volumetric direction-finding system using a Luneberg Lens Mar. 30, 2010
7602329 Systems and methods of tracking and/or avoiding harm to certain devices or humans Oct. 13, 2009
7586436 Radar device Sep. 8, 2009
7511253 Apparatus for detecting radiation and munition incorporating same Mar. 31, 2009
7397427 Phase event detection and direction of arrival estimation Jul. 8, 2008
7292179 Instantaneous passive range finding Nov. 6, 2007
7224308 Identification and location system for personnel and vehicles May. 29, 2007
6861970 Wearable vibrating radar detection device Mar. 1, 2005
6816106 Identification and location system for personnel and vehicles Nov. 9, 2004
6744397 Systems and methods for target location Jun. 1, 2004
6667709 Method and apparatus for detecting leaks in buried pipes by using a selected combination of geophysical instruments Dec. 23, 2003
6583750 Wide-band radar detector having electronic compass Jun. 24, 2003
6549762 Method for estimating arrival direction of desired wave Apr. 15, 2003
6356230 INTERROGATORS, WIRELESS COMMUNICATION SYSTEMS, METHODS OF OPERATING AN INTERROGATOR, METHODS OF MONITORING MOVEMENT OF A RADIO FREQUENCY IDENTIFICATION DEVICE, METHODS OF MONITORING MOVEMENT O Mar. 12, 2002
6181272 Data communications network Jan. 30, 2001
5945947 Synthetic doppler direction finder for use with FSK encoded transmitters Aug. 31, 1999
5724047 Phase and time-difference precision direction finding system Mar. 3, 1998
5629704 Target position detecting apparatus and method utilizing radar May. 13, 1997
5606325 Detection object searching device Feb. 25, 1997
5579009 Sensor system Nov. 26, 1996
5512909 Method and device for determination of direction Apr. 30, 1996
5430448 Object detection system Jul. 4, 1995
5412390 Apparatus and method for reducing co-channel interference from a radio frequency signal May. 2, 1995
5365238 Precision time measurements Nov. 15, 1994
H1123 Off-route non-contact system for detecting vehicles Dec. 1, 1992
5077557 Surveying instrument with receiver for satellite position-measuring system and method of operation Dec. 31, 1991
4891648 Aircraft radar arrangement Jan. 2, 1990
4680587 Instrument landing system Jul. 14, 1987
4611209 Navigation warning system and method Sep. 9, 1986
4418349 Airport surveillance system Nov. 29, 1983
4193073 Method and apparatus for position determination Mar. 11, 1980
4126859 Ground station for a round-trip-path distance-measuring system Nov. 21, 1978











 
 
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