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Class Information
Number: 342/387
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > With transmisson of bearing or position determinative signals > Iso-chronic type
Description: Subject matter wherein a distinctive signal or pulse, emitted by one radiating station, and a similar signal or pulse, emitted by a second remote radiating station and bearing a fixed time relationship to the first signal or pulse, are received by a navigation receiver and compared as to their time relationship.

Sub-classes under this class:

Class Number Class Name Patents
342/388 Loran 20
342/392 With automatic gain control 3

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692715 Method and arrangement of determining timing uncertainty Apr. 8, 2014
8688138 Method and apparatus for location determination in a wireless assisted hybrid positioning system Apr. 1, 2014
8654010 Determining positioning of wireless terminal in telecommunications network Feb. 18, 2014
8630674 Method of driving a mobile communication terminal Jan. 14, 2014
8587478 Localization method of multiple jammers based on TDOA method Nov. 19, 2013
8566022 Managing use of location-identification services Oct. 22, 2013
8559971 Determination of state vector, timing, and navigation quality metrics from reception of SBS transmissions Oct. 15, 2013
8497802 GNSS reception using distributed time synchronization Jul. 30, 2013
8416134 Systems and methods for providing geolocation using wireless signals Apr. 9, 2013
8391780 System and method of satellite communication that reduces the doppler frequency shift of the satellite signals Mar. 5, 2013
8340686 Positioning systems Dec. 25, 2012
8319659 Sensor system and method for operating a sensor system Nov. 27, 2012
8229472 System and method for enabling determination of a position of a transponder Jul. 24, 2012
8200244 Method and system for mobile station location Jun. 12, 2012
8193984 Calibration of a location system Jun. 5, 2012
8179316 Set mode passive location in TOA/TDOA modes May. 15, 2012
8174445 Method and apparatus for enhanced 911 location using power control in a wireless system May. 8, 2012
8174446 Signal path delay determination May. 8, 2012
8130146 Method for measuring the time of arrival of radio signals Mar. 6, 2012
8072382 Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance Dec. 6, 2011
8072383 Navigation and position determination with a multicarrier modulation signal of opportunity Dec. 6, 2011
8055505 Audio content digital watermark detection Nov. 8, 2011
8026850 Apparatus and method for computing location of a moving beacon using time difference of arrival and multi-frequencies Sep. 27, 2011
8004459 Determining a geolocation solution of an emitter on earth using satellite signals Aug. 23, 2011
8005952 Method for intelligently selecting wireless access point Aug. 23, 2011
7990317 Signal path delay determination Aug. 2, 2011
7986270 Clock phase ranging methods and systems Jul. 26, 2011
7983185 Systems and methods for space-time determinations with reduced network traffic Jul. 19, 2011
7978136 Associating a universal time with received signal Jul. 12, 2011
7970412 Aided location communication system Jun. 28, 2011
7957336 System and method for clock distribution and synchronization and radio location Jun. 7, 2011
7952523 Method and apparatus for passively locating radar emissions from rotating transmitters May. 31, 2011
7928908 Apparatus and method for determining receiver performance in a multilateration system Apr. 19, 2011
7924224 Variable coherence integration for the location of weak signals Apr. 12, 2011
7898983 Methods and apparatus supporting traffic signaling in peer to peer communications Mar. 1, 2011
7889132 Method and device for travel time-based location identification with the aid of a triggered or self-triggering reference signal Feb. 15, 2011
7881671 Method and system for retrieving information from wireless sensor nodes Feb. 1, 2011
7855682 Time synchronization Dec. 21, 2010
7817091 Single input multiple output (SIMO) ranging and positioning systems Oct. 19, 2010
7804448 Portable, iterative geolocation of RF emitters Sep. 28, 2010
7742754 Mobile communication system and method for determining base station antenna proximity state Jun. 22, 2010
7720104 Method to improve sensitivity of decoding time of a global positioning system receiver at low signal to noise ratio May. 18, 2010
7710320 System and method for position determination by impulse radio May. 4, 2010
7689240 Transmit-power control for wireless mobile services Mar. 30, 2010
7667649 Detection of time of arrival of CDMA signals in a wireless location system Feb. 23, 2010
7667640 Determining a geolocation solution of an emitter on earth using satellite signals Feb. 23, 2010
7663547 Determining a geolocation solution of an emitter on earth based on weighted least-squares estimation Feb. 16, 2010
7627329 Positioning system using radio signal sent from node Dec. 1, 2009
7616155 Portable, iterative geolocation of RF emitters Nov. 10, 2009
7609207 System and method for performing time difference of arrival location without requiring a common time base or clock calibration Oct. 27, 2009

1 2 3 4

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