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Class Information
Number: 342/385
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver
Description: Subject matter including means for sending or receiving distinctive directive signals.

Sub-classes under this class:

Class Number Class Name Patents
342/417 Direction-finding receiver only 219
342/386 With transmisson of bearing or position determinative signals 183

Patents under this class:
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Patent Number Title Of Patent Date Issued
8659476 Device and method for determining the distance and/or orientation of a moveable object Feb. 25, 2014
8619908 Wireless ranging system and related methods Dec. 31, 2013
8565208 Apparatus and method for transmitting coexistence beacon protocol in a cognitive radio system Oct. 22, 2013
8514095 GPS enabled EPIRB with integrated receiver Aug. 20, 2013
8510046 Marine vessel navigation device, system and method Aug. 13, 2013
8446319 Electronic tracking system May. 21, 2013
8417191 Method and system for beamforming communication in high throughput wireless communication systems Apr. 9, 2013
8401560 Infrastructure for location discovery Mar. 19, 2013
8393532 Use of peer maintained file to improve beacon position tracking utilizing spatial probabilities Mar. 12, 2013
8369444 Apparatus and method for beamforming in a multi-antenna system Feb. 5, 2013
8353791 Tracking balls in sports Jan. 15, 2013
8339243 System and method for positioning active RFID tag Dec. 25, 2012
8296001 Marine vessel navigation device, system and method Oct. 23, 2012
8217794 Active RFID system for port logistics using multi-hop communication and communication method in the system Jul. 10, 2012
8154444 Emergency beacon with encoded warning Apr. 10, 2012
8138911 Personal locator beacon Mar. 20, 2012
8098190 Apparatus and method for testing emergency locator beacons Jan. 17, 2012
8072954 Mashup application and service for wireless devices Dec. 6, 2011
7952520 DVOR monitor device, and DVOR monitor method May. 31, 2011
7916084 Emergency beacon Mar. 29, 2011
7893873 Methods and systems for providing enhanced position location in wireless communications Feb. 22, 2011
7876265 Methods and systems for providing enhanced position location in wireless communications Jan. 25, 2011
7817090 Apparatus for transmitting positioning signal, positioning system including the apparatus, and system for transmitting positioning signal Oct. 19, 2010
7706976 Position based velocity estimator Apr. 27, 2010
7636620 Signal distribution device operating in aircraft instrumental landing systems Dec. 22, 2009
7605757 Multiple signal receiver Oct. 20, 2009
7605756 System a method and an apparatus for performing wireless measurements, positioning and surface mapping by means of a portable coordinate system Oct. 20, 2009
7567172 Wide area multipurpose tracking system Jul. 28, 2009
7529618 Image forming system and image forming apparatus May. 5, 2009
7479922 Method and system for determining the location of a vehicle Jan. 20, 2009
7447170 Digital beacon asymmetry and quantization compensation Nov. 4, 2008
7356618 Method and system for synchronizing platform clocks in a distributed wireless platform Apr. 8, 2008
7319387 GPS interface for locating device Jan. 15, 2008
7300367 System for tracking wild game Nov. 27, 2007
7076261 Synchronization of optical signaling beacons Jul. 11, 2006
6992623 406 MHz emergency beacon with in-band homing transmitter Jan. 31, 2006
6833813 Method, receiver and system for determining the time of reception of a beacon signal Dec. 21, 2004
6788252 Communication system using non-directional short range radio communications between user terminal device and road related facility Sep. 7, 2004
6762720 System and method of determining a temporal point of reference when receiving a radio signal Jul. 13, 2004
6762716 Digital beacon asymmetry and quantization compensation Jul. 13, 2004
6693557 Vehicular traffic sensor Feb. 17, 2004
6683567 Single receiver wireless tracking system Jan. 27, 2004
6624785 Receiver designed to pick up an electromagnetic signal and system using such a receiver Sep. 23, 2003
6597313 System for global automatic control of transportation means during normal and extreme situations Jul. 22, 2003
6580978 Path following using bounded beacon-aided inertial navigation Jun. 17, 2003
6563462 Millimeter-wave camera for radiometric imaging and communications May. 13, 2003
6559935 Sensors of relative position and orientation May. 6, 2003
6529164 Object location monitoring within buildings Mar. 4, 2003
6456240 High-G, low energy beacon system Sep. 24, 2002
6448926 Multi-band, multi-function integrated transceiver Sep. 10, 2002

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