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Class Information
Number: 342/356
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including a satellite > Synchronous satellite
Description: Subject matter wherein the satellite speed in orbit is matched to the speed of rotation of the earth on its axis.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8655578 Positioning device, positioning method and storage medium Feb. 18, 2014
8600292 Beam focusing in multi-beam satellite systems by combining signals from multiple satellite beams on the ground Dec. 3, 2013
8462044 Determining transmit location of an emitter using a single geostationary satellite Jun. 11, 2013
8457885 Computing paths between geographical localities Jun. 4, 2013
8339309 Global communication system Dec. 25, 2012
8315202 Synchronized code recognition Nov. 20, 2012
8170082 Cross-talk mitigation in global navigation satellite systems May. 1, 2012
8106815 System for positioning a terrestrial user Jan. 31, 2012
8060108 Method and apparatus for generating and outputting a location data stream Nov. 15, 2011
7904243 Real-time data aiding for enhanced GPS performance Mar. 8, 2011
7710313 Method of using a microwave and millimeter frequency bistatic radar for tracking and fire control May. 4, 2010
7633998 Wireless home repeater for satellite radio products Dec. 15, 2009
7555297 High altitude platform deployment system Jun. 30, 2009
7545764 Synchronized code recognition Jun. 9, 2009
7486224 Microwave and millimeter frequency bistatic radar tracking and fire control system Feb. 3, 2009
7466264 System and method for providing assistance data within a location network Dec. 16, 2008
7454272 Geostationary stationkeeping method Nov. 18, 2008
7432852 Method of synchronizing base stations of a terrestrial cellular communication network Oct. 7, 2008
7428405 Automatic operation system and method for automating satellite control operation and satellite ground control system using the same Sep. 23, 2008
7391677 Positioning device, positioning method, and timepiece having the positioning device Jun. 24, 2008
7369847 Fixed cell communication system with reduced interference May. 6, 2008
7317895 Method of controlling a satellite communication system, a timing unit, and a control unit of a timing unit Jan. 8, 2008
7200414 Client-aiding with cellphones in a 150-KM radius area Apr. 3, 2007
7142154 Time and frequency synchronizations of equipment at different locations Nov. 28, 2006
7123186 Controlling solution latency in a global navigation satellite receiver Oct. 17, 2006
7065348 Communication system for providing information on position of communication party Jun. 20, 2006
6954613 Fixed satellite constellation system employing non-geostationary satellites in sub-geosynchronous elliptical orbits with common ground tracks Oct. 11, 2005
6944450 Communications system Sep. 13, 2005
6853894 Global network based vehicle safety and security telematics Feb. 8, 2005
6824107 Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith Nov. 30, 2004
6795771 Method and apparatus for correlating a satellite signal with a reference code Sep. 21, 2004
6795687 Elliptical satellite system emulating characteristics of geosynchronous satellites during the apogee portion of an elliptical orbit Sep. 21, 2004
6781968 Wireless communication system, apparatus and method using an atmospheric platform having a wideband trunkline Aug. 24, 2004
6683565 Method of determining the position of geostationary satellites by transit time measurements of satellite navigation signals Jan. 27, 2004
6678519 Elliptical satellite system which emulates the characteristics of geosynchronous satellites Jan. 13, 2004
6661373 Antenna alignment meter Dec. 9, 2003
6634602 Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith Oct. 21, 2003
6608590 Alignment of antenna polarization axes Aug. 19, 2003
6529161 Antenna control method and antenna controller Mar. 4, 2003
6515617 Method and system for position determination using geostationary earth orbit satellite Feb. 4, 2003
6504504 Antenna system for receiving signals that are transmitted by geostationary satellite Jan. 7, 2003
6453237 Method and apparatus for locating and providing services to mobile devices Sep. 17, 2002
6442148 Reconfigurable multibeam communications satellite having frequency channelization Aug. 27, 2002
6417799 Method of locating an interfering transmitter for a satellite telecommunications system Jul. 9, 2002
6389336 Overhead system of inclined eccentric geosynchronous orbiting satellites May. 14, 2002
6380891 GPS receiver with satellite frame synchronization process Apr. 30, 2002
6366853 Utilizing navigation direction data in a mobile antenna signal combiner Apr. 2, 2002
6351235 Method and system for synchronizing receiver systems of a wireless location system Feb. 26, 2002
6333924 High latitude geostationary satellite system Dec. 25, 2001
6328264 Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith Dec. 11, 2001

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