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Class Information
Number: 342/422
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
Description: Subject matter wherein the receiver automatically alters its directional characteristic to coincide with the line of travel of selected radio waves.










Sub-classes under this class:

Class Number Class Name Patents
342/425 Conical scan antenna type 17
342/427 Monopulse or pseuodo monopulse tracking antenna type 79
342/423 Plural antennas 65
342/426 Step track antenna type 19


Patents under this class:
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Patent Number Title Of Patent Date Issued
8624780 Method and system for using a wireless local area network (WLAN) phase shifter for smart antenna beam steering Jan. 7, 2014
8599071 Adaptive antenna radio communication device Dec. 3, 2013
8570150 Sensing system and method with integral sensor locating capability Oct. 29, 2013
8565208 Apparatus and method for transmitting coexistence beacon protocol in a cognitive radio system Oct. 22, 2013
8542785 Communication apparatus and communication system Sep. 24, 2013
8450997 Electromagnetic position and orientation sensing system May. 28, 2013
8451173 Maximum likelihood angle estimation of wideband signals using phased array antennas May. 28, 2013
8264406 Manifold calibration for a communication system Sep. 11, 2012
8144057 Methods and apparatus for adaptively determining angles of arrival of signals Mar. 27, 2012
7940215 Adaptive antenna radio communication device May. 10, 2011
7808421 Methods and apparatus for creating a scan strategy Oct. 5, 2010
7800541 Methods and systems for determining the location of an electronic device Sep. 21, 2010
7720511 Self-optimizing adaptive antenna May. 18, 2010
7564407 Directivity control apparatus of array antenna and directivity controlling method Jul. 21, 2009
7482975 Multi-beam transmitting/receiving apparatus and transmitting/receiving method Jan. 27, 2009
7333056 Adaptive antenna radio communication device Feb. 19, 2008
7212120 Work site tracking system and method May. 1, 2007
7110719 Indoor mobile communication device Sep. 19, 2006
6999796 Base station, base station module and method for estimating parameters of uplink signals Feb. 14, 2006
6859172 System and method for locating a mobile phone Feb. 22, 2005
6853916 Method and apparatus for forming a pseudo-range model Feb. 8, 2005
6832155 Methods and apparatus for determining phase ambiguities in ranging and navigation systems Dec. 14, 2004
6704557 System and method for protecting a receiver from jamming interference Mar. 9, 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
6552684 Direction of arrival estimation method and radio reception apparatus Apr. 22, 2003
6437740 Single receiver wireless tracking system Aug. 20, 2002
6417781 Short range wireless communication using on-board apparatus Jul. 9, 2002
6311129 Positioning process and system thereof Oct. 30, 2001
6281839 Method and system for communicating electromagnetic signals Aug. 28, 2001
6246365 Radar apparatus Jun. 12, 2001
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
5710566 Method for implementing a wireless data exchange between a fixed station and moving objects particularly vehicles Jan. 20, 1998
5166693 Mobile antenna system Nov. 24, 1992
5065162 Communication system for helicopter Nov. 12, 1991
4970520 Process for resighting telecommunication antennas and apparatus for carrying it out Nov. 13, 1990
4823134 Shipboard antenna pointing and alignment system Apr. 18, 1989
4737794 Method and apparatus for determining remote object orientation and position Apr. 12, 1988
4663631 Apparatus for maintaining the orientation of an antenna system with respect to a beacon May. 5, 1987
4590476 Tracking servo compensator with rate aiding May. 20, 1986
4334226 Antenna system for satellite communication Jun. 8, 1982
4156241 Satellite tracking antenna apparatus May. 22, 1979
4118705 Adaptive interface for rotational positioning device utilizing linear actuators Oct. 3, 1978
4103304 Direction locating system Jul. 25, 1978
4092645 Radar jammer homing circuit May. 30, 1978
4074266 System for receiving radio waves through single antenna apparatus Feb. 14, 1978
4010467 Missile post-multiple-target resolution guidance Mar. 1, 1977
4006478 Security device Feb. 1, 1977

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