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Class Information
Number: 342/357.16
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including a satellite > With position indicating > Using low earth orbit (telecommunication) satellites
Description: Subject matter wherein the man-made object s path is in a low Earth orbit.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7738837 Satellites using inter-satellite links to create indirect feeder link paths Jun. 15, 2010
7710313 Method of using a microwave and millimeter frequency bistatic radar for tracking and fire control May. 4, 2010
7583225 Low earth orbit satellite data uplink Sep. 1, 2009
7576691 Apparatus and process for a global navigation satellite system meeting safety of life performance requirements Aug. 18, 2009
7554481 Localized jamming of navigation signals Jun. 30, 2009
7486224 Microwave and millimeter frequency bistatic radar tracking and fire control system Feb. 3, 2009
7372400 Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming May. 13, 2008
7345652 Antenna system and RF signal interference abatement method Mar. 18, 2008
7295633 Triple multiplexing spread spectrum receiver Nov. 13, 2007
7272401 Apparatus and method for determining position information of user equipment Sep. 18, 2007
7042392 GPS access system and method May. 9, 2006
6833813 Method, receiver and system for determining the time of reception of a beacon signal Dec. 21, 2004
6816705 Satellite communication system and method Nov. 9, 2004
6696942 Emergency warning network Feb. 24, 2004
6683563 System for determining precise orbit of satellite and method thereof Jan. 27, 2004
6680696 Positioning satellite system for measuring position of signal source Jan. 20, 2004
6677893 Method and apparatus for locating the source of unknown signal Jan. 13, 2004
6674398 Method and apparatus for providing an integrated communications, navigation and surveillance satellite system Jan. 6, 2004
6658332 Anti-terrorism shipping control Dec. 2, 2003
6593877 Method for determining the position of a transmitting beacon Jul. 15, 2003
6549162 Method and apparatus for transmitting real time data from aircraft to ground stations using a data protocol over a satellite system Apr. 15, 2003
6545998 Supplemental satellite communication processing Apr. 8, 2003
6393293 Method for rectangular parameterization of a geographic area using a geolocation algorithm May. 21, 2002
6373432 System using leo satellites for centimeter-level navigation Apr. 16, 2002
6373431 Receiver for receiving radio waves from satellites Apr. 16, 2002
6369754 Fine positioning of a user terminal in a satellite communication system Apr. 9, 2002
6327534 Unambiguous position determination using two low-earth orbit satellites Dec. 4, 2001
6313790 Method and system for determining a position of a transceiver in a communications network Nov. 6, 2001
6285318 Micro-miniature beacon transmit-only geo-location emergency system for personal security Sep. 4, 2001
6272315 Mobile satellite system/terrestrial wireless system interworking techniques Aug. 7, 2001
6266585 Gyrocompassing by intermittent GPS interferometry Jul. 24, 2001
6246363 Method and system for incorporating two-way ranging navigation as a calibration reference for GPS Jun. 12, 2001
6239721 Bootstrapped location determination May. 29, 2001
6229477 Method and system for determining a position of a communication satellite utilizing two-way ranging May. 8, 2001
6219617 Method for determining the orbital positions of satellites in LEO networks Apr. 17, 2001
6195042 Method of locating a fixed terminal using a constellation of satellites Feb. 27, 2001
6181275 Positioning by computing pseudo-speeds in a satellite navigation system Jan. 30, 2001
6169514 Low-power satellite-based geopositioning system Jan. 2, 2001
6166687 Method for determining position of mobile earth station in satellite communication system Dec. 26, 2000
6137441 Accurate range and range rate determination in a satellite communications system Oct. 24, 2000
6078284 Passive position determination using two low-earth orbit satellites Jun. 20, 2000
6052561 Location method for a elective call receiver operating in a satellite communication system Apr. 18, 2000
6049305 Compact antenna for low and medium earth orbit satellite communication systems Apr. 11, 2000
6031489 User terminal positioning system and method employing external signals Feb. 29, 2000
6028551 Micro-miniature beacon transmit-only geo-location emergency system for personal security Feb. 22, 2000
6020847 Geolocation method and apparatus for satellite based telecommunications system Feb. 1, 2000
5999127 Satellite communications facilitated by synchronized nodal regressions of low earth orbits Dec. 7, 1999
5990809 Underwater surveying system Nov. 23, 1999
5982323 Satellite navigation system Nov. 9, 1999
5969669 Method for determining position of mobile earth station in satellite communication system Oct. 19, 1999

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