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Class Information
Number: 342/423
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > Direction-finding receiver only > With self-orienting antenna pattern > Plural antennas
Description: Subject matter wherein the receiver apparatus includes more than one antenna.

Sub-classes under this class:

Class Number Class Name Patents
342/424 Tracking interferometer 123

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8625700 Evaluation device for providing a transceiver system with transceiving performance information thereof Jan. 7, 2014
8570150 Sensing system and method with integral sensor locating capability Oct. 29, 2013
8542785 Communication apparatus and communication system Sep. 24, 2013
8532581 Wireless communication apparatus and method for selecting quality-reporting sub-carrier bands based on sub-carrier band quantity information from base station Sep. 10, 2013
8450997 Electromagnetic position and orientation sensing system May. 28, 2013
8412126 Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction Apr. 2, 2013
8400357 Radio arrival direction estimation device and radio arrival direction estimation method Mar. 19, 2013
8391891 System and method for providing location information for a mobile handset Mar. 5, 2013
8264406 Manifold calibration for a communication system Sep. 11, 2012
8260324 Establishing wireless links via orientation Sep. 4, 2012
8185162 Electrically tilted antenna system with polarisation diversity May. 22, 2012
8144057 Methods and apparatus for adaptively determining angles of arrival of signals Mar. 27, 2012
7982671 Method and system for using a wireless local area network (WLAN) phase shifter for smart antenna beam steering Jul. 19, 2011
7633441 Steerable antenna and receiver interface for terrestrial broadcast Dec. 15, 2009
7613482 Method and system for steering antenna beam Nov. 3, 2009
7603141 Multi-antenna station with distributed antennas Oct. 13, 2009
7522095 Polygonal cylinder array antenna Apr. 21, 2009
7482975 Multi-beam transmitting/receiving apparatus and transmitting/receiving method Jan. 27, 2009
7477192 Direction finding system and method Jan. 13, 2009
7471240 Antenna connection detecting device and vehicle navigation device Dec. 30, 2008
7440758 Cell planning methods and apparatus, and networks configured based on same Oct. 21, 2008
7414578 Method for efficiently computing the beamforming weights for a large antenna array Aug. 19, 2008
7414582 Method and apparatus for all-polarization direction finding Aug. 19, 2008
7409226 Use of doppler direction finding to improve signal link performance in a wireless communication environment Aug. 5, 2008
7382275 Mobile enforcement reader Jun. 3, 2008
7292831 Radio communicate method and system Nov. 6, 2007
7251286 Method and apparatus for space division multiple access receiver Jul. 31, 2007
7155231 Transmit pre-correction in a wireless communication system Dec. 26, 2006
7127272 Designing antenna systems Oct. 24, 2006
7092673 Angle of arrival estimation in a wireless telecommunications network Aug. 15, 2006
7081847 Radar system with switchable angular resolution Jul. 25, 2006
7010304 Cell planning methods and apparatus, and networks configured based on same Mar. 7, 2006
6950063 Intraluminal MRI probe Sep. 27, 2005
6922170 Methods and apparatus for determining a direction of arrival in a wireless communication system Jul. 26, 2005
6898235 Wideband communication intercept and direction finding device using hyperchannelization May. 24, 2005
6823021 Method and apparatus for space division multiple access receiver Nov. 23, 2004
6819230 Target track crossing prediction/detection Nov. 16, 2004
6707910 Detection of the speech activity of a source Mar. 16, 2004
6697012 Altitude estimation system and method Feb. 24, 2004
6677884 Satellite configuration for interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) Jan. 13, 2004
6598009 Method and device for obtaining attitude under interference by a GSP receiver equipped with an array antenna Jul. 22, 2003
6587080 Single receiver wireless tracking system Jul. 1, 2003
6459409 Method and device for using array antenna to estimate location of source in near field Oct. 1, 2002
6437740 Single receiver wireless tracking system Aug. 20, 2002
6208296 Method and apparatus for training a receiver on a source Mar. 27, 2001
6198436 Integrated interferometer and instantaneous frequency measurement device and method Mar. 6, 2001
6184830 Compensation of direction finding estimates for polarimetric errors Feb. 6, 2001
6009335 Method of calibrating and testing spatial nulling antenna Dec. 28, 1999
5467682 Action calibration for firing upon a fast target Nov. 21, 1995
5250953 Tracking radar systems Oct. 5, 1993

1 2

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