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Class Information
Number: 342/357.02
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including a satellite > With position indicating > With accuracy enhancing
Description: Subject matter including means to elevate the degree of correctness of the position.

Sub-classes under this class:

Class Number Class Name Patents
342/357.03 Using differential correction 242
342/357.04 With ambiguity resolving 90

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7747384 Method for substituting at least one high quality position measurement taken before an interrupting event with a set of upgraded low quality position measurements provided by the same source o Jun. 29, 2010
RE41382 Method and system for detecting interference for global positioning systems Jun. 22, 2010
7741994 Ionospheric error prediction and correction in satellite positioning systems Jun. 22, 2010
7741995 Method of acquiring error correction value of reference frequency, terminal device, and recording medium Jun. 22, 2010
7737887 Nudged broadcast orbit drift correction Jun. 15, 2010
7737888 Conveying orbit information via ambiguous position information Jun. 15, 2010
7733268 Method and apparatus for determining the geographic location of a device Jun. 8, 2010
7725259 Trajectory estimation system for an orbiting satellite May. 25, 2010
7724184 System and method for detecting false navigation signals May. 25, 2010
7711480 Differential GPS corrections using virtual stations May. 4, 2010
7711483 Dead reckoning system May. 4, 2010
7705775 Method of improving a vehicle emergency call network Apr. 27, 2010
7692577 Method and apparatus for geolocation determination Apr. 6, 2010
7693659 Satellite navigation system using multiple antennas Apr. 6, 2010
7692578 GNSS signal processing with clock difference modeling Apr. 6, 2010
7688259 Positioning device, method of controlling positioning device, and recording medium Mar. 30, 2010
7684905 System and method for verifying the integrity of a train Mar. 23, 2010
7679552 System for standard positioning service and precise positioning service cooperative operation Mar. 16, 2010
7679553 Adjusting GPS communication with a wireless device Mar. 16, 2010
7679551 Methods and systems for doppler frequency shift removal and correlation for software-based receivers Mar. 16, 2010
7671790 Positioning system, positioning device, communication base station, control method, and recording medium storing program Mar. 2, 2010
7667642 Acquisition, collection and processing system for continuous precision tracking of objects Feb. 23, 2010
7668552 Method and system for applying wireless geolocation technology Feb. 23, 2010
7663539 Automatic decorrelation and parameter tuning real-time kinematic method and apparatus Feb. 16, 2010
7656348 System and/or method for determining sufficiency of pseudorange measurements Feb. 2, 2010
7656349 Enhancement of GNSS position determination in poor signal propagation environments Feb. 2, 2010
7646336 Automated asset positioning for location and inventory tracking using multiple positioning techniques Jan. 12, 2010
7647174 Navigation system with function of one-touch map matching correction and method thereof Jan. 12, 2010
7642954 Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer-readable recording medium having control program for positioning apparat Jan. 5, 2010
7633436 Satellite-based positioning of mobile terminals Dec. 15, 2009
7629923 Method and device for storing economically auxiliary correction data applied in global navigation satellite system Dec. 8, 2009
7629924 Methods and apparatus for obtaining accurate GNSS time in a GNSS receiver Dec. 8, 2009
7626539 Method and apparatus for managing time in a satellite positioning system Dec. 1, 2009
7623065 Refractivity retrieval via direct measurement of GNSS bending angle Nov. 24, 2009
7623952 GPS controlled guidance system for farm tractor/implement combination Nov. 24, 2009
7620403 Method and apparatus for providing reference frequency aiding among peers operating in a direct communication mode Nov. 17, 2009
7609201 Position-verified access apparatus, method, and program product Oct. 27, 2009
7605749 Multifrequency line biases for multifrequency GNSS receivers Oct. 20, 2009
7592951 Device and method for minimizing the number of crystal oscillators used in an integrated navigation receiver and cellphone Sep. 22, 2009
7592952 Method of locating a vehicle from satellite data Sep. 22, 2009
7589667 Method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver Sep. 15, 2009
7590424 Position measuring method and mobile communication terminal Sep. 15, 2009
7586438 Navigation with satellite communications Sep. 8, 2009
7579983 Terminal apparatus, control method for terminal apparatus, control program for terminal apparatus, and computer readable storage medium having stored therein control program for terminal appar Aug. 25, 2009
7576689 Method and apparatus for controlling a frequency source Aug. 18, 2009
7570203 Method for adjusting the integrity alert threshold in a satellite navigation system Aug. 4, 2009
7564401 Signal inconsistency detection of spoofing Jul. 21, 2009
7561101 Last known position reporting for always-on global positioning system receiver Jul. 14, 2009
7557750 Positioning device, method of controlling positioning device, and recording medium Jul. 7, 2009
7554487 Method and system for determining time in a satellite positioning system Jun. 30, 2009

1 2 3 4 5 6 7 8

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