Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425)
11/2003
11/18/2003US6650288 Culled satellite ephemeris information for quick assisted GPS location determination
11/18/2003US6650286 Method of collecting information of physical distribution of products and system for offering information of product positions
11/18/2003US6650285 Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path
11/18/2003US6650284 Information system
11/18/2003US6650283 Vehicular tracking device
11/18/2003US6650282 Positioning equipment
11/18/2003US6650150 Numerically controlled oscillator in particular for a radiofrequency signal receiver
11/18/2003CA2316615C Vehicle location system
11/18/2003CA2083343C Gps tracking system
11/13/2003WO2003093859A1 System, method, and apparatus for generating a timing signal
11/13/2003WO2003093858A2 Oscillator frequency correction in gps signal acquisition
11/13/2003WO2003075032A3 Determining geographical positioning of a mobile station
11/13/2003WO2003070336B1 System of electronic devices that is designed to assist a football referee
11/13/2003WO2003060545A3 Method and apparatus for determining location of objects based on range reading from mulitiple sensors
11/13/2003US20030212488 Vehicle collision warning system
11/13/2003US20030212487 Method of determining the position of a mobile unit
11/13/2003US20030212486 System and method for automatically generating a third party notification when a traveler is overdue
11/13/2003US20030211853 GPS-mounted mobile telephone
11/13/2003US20030211837 Mobile communication terminal and method of clibrating frequency in the same
11/13/2003US20030210656 System and method for reference data processing in network assisted position determination
11/13/2003US20030210186 Method and apparatus for enhanced 911 location using power control in a wireless system
11/13/2003US20030210184 Surveillance method and apparatus
11/13/2003US20030210181 Methods and apparatus for radar data processing
11/13/2003US20030210180 Methods and apparatus for terrain correlation
11/13/2003US20030210143 Tracking system and method
11/13/2003CA2484504A1 System, method, and apparatus for generating a timing signal
11/12/2003EP1360521A1 A method of despreading gps signals
11/12/2003EP1360520A1 A method of despreading gps signals
11/12/2003EP1360519A1 Mobile device comprising a gps receiver
11/12/2003EP1360518A2 Methods and apparatuses for processing of global positioning system signals with a matched filter
11/12/2003EP1360458A1 Method for exchanging navigation information
11/12/2003EP1271981B1 Radio communication system and its mobile terminal, and direction determining method
11/12/2003CN1456019A Raio communication system and its mobile terminal, and direction determining method
11/12/2003CN1455991A Radio communication system
11/12/2003CN1455876A A method of despreading GPS signals
11/12/2003CN1455875A Mobile device comprising a GPS receiver
11/12/2003CN1455268A Satellite locating error processing method based on map matching
11/12/2003CN1127704C Programmable remote sensor monitoring system
11/11/2003US6647339 Shared reference station
11/11/2003US6647336 Map display terminal and map display method
11/11/2003US6647270 Vehicletalk
11/11/2003US6647267 Cellular transmitter for automatically providing position location and emergency data
11/11/2003US6647266 Channel card for extending coverage area of base station
11/11/2003US6646603 Method of providing an estimate of a location
11/11/2003US6646602 Technique for robust characterization of weak RF emitters and accurate time difference of arrival estimation for passive ranging of RF emitters
11/11/2003US6646598 Antenna boresighting method
11/11/2003US6646596 Method, system and devices for positioning a receiver
11/11/2003US6646595 Scalable, reconfigurable GPS receiver
11/11/2003US6646594 Method and system for minimizing storage and processing of ionospheric grid point correction information
11/11/2003US6646588 Midair collision avoidance system
11/11/2003US6646569 Navigation apparatus using radio communication device
11/06/2003WO2003092319A1 Position determination for a wireless terminal in a hybrid position determination system
11/06/2003WO2003091745A2 Method and apparatus for location determination in a wireless assisted hybrid positioning system
11/06/2003WO2003044556A3 Multiple antenna multi-frequency measurement system
11/06/2003WO2003034088A3 Measuring distance between two objects using received satellite transmitted data
11/06/2003US20030208317 Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS
11/06/2003US20030208315 Methods and systems for visual addressing
11/06/2003US20030208311 Method and system for implement steering for agricultural vehicles
11/06/2003US20030207681 System, method, and apparatus for generating a timing signal
11/06/2003US20030206133 Geochronicle based identification for e-business
11/06/2003US20030206115 Location measurement process for radio-frequency badges
11/06/2003CA2483318A1 Position determination for a wireless terminal in a hybrid position determination system
11/05/2003EP1359538A2 Method for measuring the location of radio-frequency badges
11/05/2003EP1358724A1 Gps enabled mobile stations and locations methods therefor
11/05/2003EP1358722A1 Radio communication system
11/05/2003EP1358504A1 Position location with low tolerance oscillator
11/05/2003EP1358503A2 Low cost system and method for making dual band gps measurements
11/05/2003CN1454432A Block communication transceivers with GPS capability
11/05/2003CN1454323A Method and apparatus for reducing code phase search space
11/04/2003US6643587 Navigation system and method for tracking the position of an object
11/04/2003US6643586 System and method to determine fibre channel device locations using GPS
11/04/2003US6643002 System and method for locating and positioning an ultrasonic signal generator for testing purposes
11/04/2003US6642886 Prioritizing satellite search order based on doppler uncertainty
11/04/2003US6642885 Receiver for a satellite based position location system
11/04/2003US6642884 Satellite-based positioning system receiver for weak signal operation
10/2003
10/30/2003WO2003089954A1 Integrity monitoring in a position location system utilizing knowledge of local topography
10/30/2003WO2003089952A2 Compensation for frequency adjustment in a mobile communication-positioning device with shared oscillator
10/30/2003WO2003060543A3 Global positioning system receiver
10/30/2003WO2003058985A3 Use of mobile stations for determination of base station location parameters in a wireless mobile communication system
10/30/2003WO2003038466A3 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
10/30/2003WO2003036934A3 Position location using broadcast analog television signals
10/30/2003WO2002091699A3 Method and system for providing user location information
10/30/2003WO2002065736A3 System and method for providing location information concerning wireless handsets via the internet
10/30/2003WO2002044478A3 Method and apparatus for determining the location of undergroung objects during a digging operation
10/30/2003US20030204310 Distance factor learning device, distance factor learning method, distance factor learning program, recording medium recording said program, movement condition computing device, and present position computing device
10/30/2003US20030204297 Automatic implement control for spreading material with a work machine
10/30/2003US20030201935 Oscillator frequency correction in gps signal acquisition
10/30/2003US20030201933 Low cost system and method for making dual band GPS measurements
10/30/2003US20030201932 Using digital television broadcast signals to provide GPS aiding information
10/30/2003US20030201931 Mobile object locator
10/30/2003US20030201767 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signal
10/30/2003CA2482772A1 Integrity monitoring in a position location system utilizing knowledge of local topography
10/29/2003EP1357363A1 Method and apparatus for correcting the distance factor of a vehicle distance sensor using GPS
10/29/2003EP1356694A1 Method and system for validating a mobile station location fix
10/29/2003EP1356316A2 Apparatus and method of velocity estimation
10/29/2003EP1356314A2 Peer to peer information exchange for mobile communications devices
10/28/2003US6640189 Method of improving satellite reacquisition performance for integrated GP/IG navigational systems
10/28/2003US6640188 Car navigation apparatus capable of determining entry into parking area
10/28/2003US6640107 Wireless location handset apparatus
10/28/2003US6640106 Method and system for verifying the position of a mobile station using checkpoints
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