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Your search returned 336 patents.
( 701/215 in Current US Classification )
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Patent IDTitleDate Filed
6885936 Information provision system and apparatus and method therefor May 22, 2003
6882908 Method for calculating instantaneous characteristics of a satellite in orbit, equipped with a GNSS receiver March 12, 2003
6879875 Low cost multisensor high precision positioning and data integrated method and system thereof September 20, 2004
6865484 Satellite position measurement system February 6, 2003
6861979 Method and apparatus for detecting anomalous measurements in a satellite navigation receiver March 11, 2004
6853916 Method and apparatus for forming a pseudo-range model November 15, 2002
6844847 Method and device for instantaneous determination of orientation, based on satellite positioning signals October 4, 2002
6839631 Space based augmentation system with hierarchy for determining geographical corrections source December 21, 2001
6836701 Autonomous multi-platform robotic system April 16, 2003
6826476 Apparatus for improved integrity of wide area differential satellite navigation systems November 1, 2002
6813560 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris March 19, 2003
6782330 Satellite signal waveform monitor March 22, 2001
6760663 Solution separation method and apparatus for ground-augmented global positioning system September 14, 1999
6760647 Socially interactive autonomous robot January 21, 2003
6754584 Attitude measurement using a single GPS receiver with two closely-spaced antennas October 12, 2001
6741935 Method and system for providing wide area augmentation system (WAAS) like corrections using a server and processor on the internet January 16, 2003
6734803 Locating device for vehicles October 8, 1999
6727846 Apparatus and method for minimizing multipath signal errors during tracking of GPS satellite signals September 20, 2000
6721656 GPS receiving apparatus March 18, 2002
6718264 Method for acquiring azimuth information March 26, 2002
6708038 Vehicle communications system October 23, 2000
6704652 Real time self differential global positioning system and method for a moving station in a local area, and terminal global positioning system using the same April 25, 2002
6704626 Logistics system and method with position control April 2, 1999
6701253 Total correction strategy February 19, 2002
6700533 Asset and personnel tagging system utilizing GPS May 4, 2000
6691066 Measurement fault detection August 28, 2001
6678582 Method and control device for avoiding collisions between cooperating robots May 30, 2002
6671620 Method and apparatus for determining global position using almanac information May 18, 2000
6671582 Flexible agricultural automation August 26, 2002
6665612 Navigation processing for a satellite positioning system receiver August 29, 2001
6662108 Method and apparatus for improving a vehicle safety system using a transponder and GPS January 7, 2002
6661372 Client-server based remote locator device October 6, 2000
6658353 VEHICLE NAVIGATION APPARATUS PROVIDING RAPID CORRECTION FOR EXCESSIVE ERROR IN DEAD RECKONING ESTIMATES OF VEHICLE TRAVEL DIRECTION BY DIRECT APPLICATION OF POSITION AND DIRECTION INFORMATION DERIVED FROM GPS POSITION MEASUREMENT DATA November 6, 2001
6658325 Mobile robotic with web server and digital radio links January 14, 2002
6657586 System and method for locating an object using global positioning system receiver May 2, 2002
6654686 No preamble frame sync February 19, 2002
6647339 Shared reference station February 19, 2002
6640189 Method of improving satellite reacquisition performance for integrated GP/IG navigational systems September 19, 2001
6640184 Method and apparatus for providing location information November 10, 2000
6618670 Resolving time ambiguity in GPS using over-determined navigation solution September 14, 2001
6615135 Satellite based on-board vehicle navigation system including predictive filtering and map-matching to reduce errors in a vehicular position May 24, 2001
6611756 Method for predicting navigation information in a global positioning system August 10, 2000
6611228 Carrier phase-based relative positioning apparatus July 24, 2001
6609037 Gimbal pointing vector stabilization control system and method December 6, 2000
6606560 Beacon for satellite registration March 22, 2001
6606545 Method and apparatus for fitting global landing systems on aircraft August 24, 1999
6598009 Method and device for obtaining attitude under interference by a GSP receiver equipped with an array antenna February 1, 2001
6594582 GPS compound eye attitude and navigation sensor and method May 12, 2000
6593879 Using the global positioning satellite system to determine attitude rates using doppler effects August 9, 2001
6574558 GPS receiver with cross-track hold May 24, 2002
6570531 Satellite navigation receiver designed for compatibility with aircraft automatic landing systems April 27, 2000
6564146 Tracking system for providing position information September 6, 2001
6559794 Position determining system, receiving system method of determining the position of a movable object and method of receiving data regarding the position December 28, 1999
6549829 Skipping filter for inertially augmented landing system October 31, 2001
6542119 GPS antenna array May 23, 2001
6542115 GPS receiver system for acquiring azimuth information using a pair of GPS receivers November 29, 2001
6539306 Automotive mirror with integrated Loran components June 15, 2001
6539284 Socially interactive autonomous robot July 25, 2001
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