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 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825)
08/2009
08/12/2009CN101504451A RFID and satellite mixed positioning system
08/12/2009CN100526911C Method, apparatus, and system for signal prediction
08/12/2009CN100526909C Automatic sequential tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking
08/11/2009US7574301 Global positioning system receiver and correlating circuit thereof
08/11/2009US7574218 Systems and methods for transmitting global positioning system information
08/11/2009US7574215 System and method for distribution of GPS satellite information
08/11/2009US7573423 Method of acquiring satellite data
08/11/2009US7573422 Advanced power management for satellite positioning system
08/11/2009CA2359662C Method and apparatus for measurement processing of satellite positioning system (sps) signals
08/06/2009WO2009097237A1 Method to support user location in in-structure coverage systems
08/06/2009WO2009095280A2 Integrated signal receiver
08/06/2009US20090195457 Methods and system for determining angles of sight between two devices
08/06/2009US20090195456 Single Input Multiple Output (SIMO) Ranging and Positioning Systems
08/06/2009US20090195452 Terminal apparatus, positioning method, control program for terminal apparatus, and computer readable recording medium having recorded therein control program for terminal apparatus
08/06/2009US20090195451 Method For Transmitting Satellite Data
08/06/2009US20090195449 Real-time multipath detection and mitigation
08/06/2009US20090195448 Position Computation in a Positioning System Using Synchronization Time Bias
08/06/2009US20090195445 System and method for selecting parameters based on physical location of a computer device
08/06/2009US20090195443 Authenticating a signal based on an unknown component thereof
08/06/2009US20090195369 Method and system for tracking a vehicle
08/05/2009EP2086055A1 Real-time multipath detection and mitigation
08/05/2009EP2085835A2 Electronic timepiece and time adjustment method for an electronic timepiece
08/05/2009EP2085786A2 Apparatus and method for tracking satellite signal
08/05/2009EP2084920A1 A system, mobile station and a method of providing location based information
08/05/2009EP2084818A1 A method of acquiring a received spread spectrum signal
08/05/2009EP1955090B1 Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming
08/05/2009EP1836778B1 Spread spectrum signal
08/05/2009EP1654556B9 Control of power consumption in satellite positioning systems
08/05/2009EP1328822B1 Method and apparatus for determining an error estimate in a hybrid position determination system
08/05/2009CN201286139Y Car driving recording apparatus having anti-theft and monitoring function
08/05/2009CN201285445Y Vehicle mounted GPS intelligent information interaction system
08/05/2009CN101501723A Position information tag registering method and auxiliary setting device
08/05/2009CN101501626A Method and apparatus for managing network elements in a satellite navigation data distribution system
08/05/2009CN101499842A Code generator, correlator and correlation method of GNSS receiver
08/05/2009CN101499208A System and method for processing vehicle roadside assistance through GPS positioning and mobile communication network
08/05/2009CN101498915A Electronic timepiece and time adjustment method for an electronic timepiece
08/05/2009CN101498784A Apparatus and method for tracking satellite signal
08/05/2009CN101498781A Independent locator and ultrasonic positioning system and method thereof
08/05/2009CN101498780A Satellite signal reception device and control method for a satellite signal reception device
08/05/2009CN101498779A Correlation system and method for gnss receiver
08/05/2009CN101498778A GPS interfering signal test system, apparatus and method
08/05/2009CN100523860C Calibration of a device location measurement system that utilizes radio signal strengths
08/05/2009CN100523859C Quick satellite selection method for combined satellite navigation system
08/05/2009CN100523858C Positioning and monitoring methods applied to satellite navigation system
08/05/2009CN100523732C Automatic steering promotion method for mobile device equipped with GPS module
08/04/2009US7570212 Reference beacon methods and apparatus for TDOA/FDOA geolocation
08/04/2009US7570207 Positioning device, electronic instrument, and storage medium storing program
08/04/2009US7570206 Positioning device, positioning control method, positioning control program, and computer-readable recording medium having positioning control program recorded thereon
08/04/2009US7570205 Automatic detection of GPS SA base value for HFOM
07/2009
07/30/2009WO2009063062A3 Gnns receiver and signal tracking circuit and system
07/30/2009WO2009010062A8 A tracking system and a method of tracking an item
07/30/2009US20090192764 Systems and methods for wirelessly monitoring a brochure box
07/30/2009US20090192391 Navigation-assisted fitness and dieting device
07/30/2009US20090189809 Satellite Signal Reception Device And Control Method For A Satellite Signal Reception Device
07/30/2009US20090189808 Gnss data/pilot correlator and code generator thereof
07/30/2009US20090189807 Apparatus and method for adjusting refresh rate of location coordinates of a tracking device
07/30/2009US20090189806 System for transmitting a signal for positioning and method for producing the system
07/30/2009US20090189804 Satellite differential positioning receiver using multiple base-rover antennas
07/30/2009DE102007036492B4 Optische Sensorvorrichtung An optical sensor device
07/29/2009EP2082251A2 Time-based ephemeris identity in assistance data and assistance data request messages
07/29/2009EP1032985A4 Low-power satellite-based geopositioning system
07/29/2009CN101493513A Rapid positioning system based on local process of satellite information
07/29/2009CN101493512A Management method for global positioning system receiver navigation message
07/29/2009CN101493511A Global positioning system satellite searching and scheduling method
07/29/2009CN101493510A Indoor positioning system and method
07/29/2009CN100520843C Apparatus and method for processing emergency signal and position signal of a telematics terminal
07/29/2009CN100520440C Method and apparatus for improving radio location accuracy with measurements
07/29/2009CN100520438C GPS receiver module
07/28/2009US7567636 Method and apparatus for performing signal correlation using historical correlation data
07/28/2009US7567208 Position and time determination under weak signal conditions
07/28/2009CA2379685C Efficient determination of time of arrival of radio communication bursts
07/23/2009WO2009091516A1 Measurement of energy potential (signal-to-noise ratio) in digital global navigation satellite systems receivers
07/23/2009WO2009071686A3 Global navigation receiver
07/23/2009WO2009062956A3 Ultrasound zone location system with high capacity
07/23/2009US20090184873 Positioning method, program thereof, and positioning device
07/23/2009US20090184872 Provision of location information
07/23/2009US20090184866 Method and device for providing location services
07/23/2009CA2685324A1 Measurement of energy potential (signal-to-noise ratio) in digital global navigation satellite systems receivers
07/22/2009EP2081091A1 Electronic timepiece and control method for an electronic timepiece
07/22/2009EP2081044A2 Navigation system with apparatus for detecting accuracy failures
07/22/2009EP2081043A2 Navigation system with apparatus for detecting accuracy failures
07/22/2009EP2081042A2 Navigation system with apparatus for detecting accuracy failures
07/22/2009EP2081040A2 Method and appratus for determining location information of a mobile device
07/22/2009EP1639521A4 Stereo-vision based imminent collision detection
07/22/2009EP1488251B1 Automatic synchronous tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking
07/22/2009CN101487889A Inter-network operation of multiple location networks
07/22/2009CN101487886A Method for implementing satellite navigation positioning by different navigation frequency band
07/22/2009CN101487885A GPS locator for tracing and training
07/22/2009CN101487884A Message frame generation method for ultra-wide band indoor navigation positioning system
07/22/2009CN101487883A Ionospheric layer grid regulation method suitable for multi-module satellite navigation system
07/22/2009CN101487882A Frequency coherence within a location network
07/22/2009CN100516927C Calibration and correction system for satellite position location systems
07/21/2009US7564406 Method and apparatus in standalone positioning without broadcast ephemeris
07/21/2009US7564404 Determining precise direction and distance to a satellite radio beacon
07/16/2009WO2009089217A1 Global positioning system accuracy enhancement
07/16/2009US20090182587 GPS Pathfinder Cell Phone And Method
07/16/2009US20090182502 Refining a position estimate of a low earth orbiting satellite
07/16/2009US20090181695 Use of movement information about a wireless client
07/16/2009US20090179796 Satellite search method and receiver using the same
07/16/2009US20090179795 Measurement of Energy Potential (Signal-To-Noise Ratio) in Digital Global Navigation Satellite Systems Receivers
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