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)
12/2007
12/05/2007CN100353182C Portable terminal and GPS time keeping method
12/05/2007CN100353180C Method of despreading GPS spread spectrum signals
12/05/2007CN100353177C Program control GPS signal and digital signal composite circuit
12/04/2007US7305021 Real-time software receiver
12/04/2007US7304609 Hybrid wireless ranging system and associated methods
12/04/2007US7304606 Mode determination for mobile GPS terminals
12/04/2007US7304605 Method of calibrating an adaptive antenna array of a satellite navigation system
11/2007
11/29/2007WO2007136897A1 Estimating the location of a wireless terminal based on assisted gps and pattern matching
11/29/2007WO2007135472A1 Method in a CDMA Receiver Using Hardware and Software in Acquisition, Tracking and Hosting
11/29/2007WO2007099416A3 System for exploiting information selected on the basis of the position of a user, in particular a visually impaired user, method and computer program product therefrom
11/29/2007US20070277175 Method for multi-tasking multiple java virtual machines in a secure environment
11/29/2007US20070276600 Intersection collision warning system
11/29/2007US20070275750 Position Data Communication Device
11/29/2007US20070275734 System and Method to Obtain Signal Acquisition Assistance Data
11/29/2007US20070273790 Television apparatus
11/29/2007US20070273582 Method of Tracking Radio Frequency Signals
11/29/2007US20070273578 Mobile satellite communications
11/29/2007US20070273502 Gps Device
11/28/2007EP1860404A1 GPS Product
11/28/2007EP1859229A2 Method and apparatus for managing network elements in a satellite navigation data distribution system
11/28/2007EP1697758B1 Method for standard positioning service and precise positioning service cooperative operation
11/28/2007CN200983206Y Whole-range monitoring device for express road based on combined navigation
11/28/2007CN200983006Y Portable 3D GPS data collector based on embedded processor
11/28/2007CN200983005Y Roaming navigation device
11/28/2007CN200983004Y An energy saving device for navigation instrument
11/28/2007CN101079095A Quick positioning method of concealed body
11/28/2007CN101078764A Satellite search method
11/28/2007CN101078763A Method and apparatus for calibrating clock frequency by satellite positioning system in IP network
11/28/2007CN101078760A Satellite navigation system for multiple display of satellite navigation information
11/28/2007CN101078759A Digital matching filter for GPS receiver
11/28/2007CN101078758A Doppler frequency compensation method of GPS receiver
11/28/2007CN101078757A Rear-vision mirror satellite navigation system
11/28/2007CN101078756A Satellite navigation system combining alcohol checking
11/28/2007CN101078755A Satellite positioning and reporting system
11/28/2007CN101078630A Method for automatically writing connection book
11/28/2007CN101078629A Method and equipment for repeatedly broadcasting voice information
11/28/2007CN100351643C Mobile satellite automatic tracing control device
11/28/2007CN100351642C Correlator of broadening frequency receiver
11/27/2007US7302225 Time acquisition in a wireless position determination system
11/27/2007US7301992 Multipath processing for GPS receivers
11/22/2007WO2007132745A1 Processing control device, processing control system, processing control method, processing control program, and recording medium having the program recorded thereon
11/22/2007WO2007027933A3 Fast fourier transform with down sampling based navigational satellite signal tracking
11/22/2007US20070271033 System and method for networking a plurality of nodes
11/22/2007US20070269177 Tracking System Using Fixed Optical Radiators
11/22/2007US20070268845 System and method for selecting a communication band
11/22/2007US20070268129 Vehicle proximity alarm system and method
11/22/2007US20070267998 Autonomous Robot Auto-Docking and Energy Management Systems and Methods
11/21/2007CN200980122Y An information-acquisition device of punctuate geography
11/21/2007CN200979595Y A portable personal GPS tracking and locating device
11/21/2007CN200979594Y A GPS handset
11/21/2007CN200979593Y A guider making full use of a display screen
11/21/2007CN101076975A Mobile honeycomb identification database for reinforced GPS property
11/21/2007CN101075395A Intelligent electronic guide system and method
11/20/2007US7299129 Portable navigation device with releasable antenna
11/20/2007US7299127 Shared oscillator for vehicle mirror display
11/20/2007US7299024 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator
11/20/2007US7299007 Mobile computing and communication
11/20/2007US7298780 Multiple access using different codes lengths for global navigation satellite systems
11/20/2007US7298327 Geographic location using multiple location estimators
11/20/2007US7298326 Portable device and method employing beam selection to obtain satellite network positioning signals
11/20/2007US7298321 Satellite positioning system receivers and methods
11/20/2007US7298320 Waterproof combined global positioning system receiver and two-way radio and method of waterproof enclosure fabrication
11/20/2007US7298152 Damage detection system
11/15/2007WO2007130211A1 Boom-mounted machine locating system
11/15/2007WO2007130032A1 Receiver assembly and method for multi-gigabit wireless systems
11/15/2007WO2007129263A2 Gps rf front end and related method of providing a position fix, storage medium and apparatus for the same
11/15/2007WO2007129242A2 Tropospheric delay error correction of gps signals using troposphere model data from wireless network
11/15/2007WO2007086899A3 Transponder landing system augmentation of the global positioning system
11/15/2007WO2007013886A3 Method and apparatus for obtaining satellite trajectory data at a satellite positioning system receiver
11/15/2007WO2006086118B1 Reconfigurable downconverter for a multi-band positioning receiver
11/15/2007US20070263705 Method and apparatus for detecting spreading-code synchronization for spectrum spreading signals
11/15/2007US20070262898 Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer-readable recording medium having control program for positioning apparatus recorded therein
11/14/2007EP1855168A2 Method, apparatus and system for GPS time synchronization using cellular signal bursts
11/14/2007EP1854221A1 Improvements in or relating to spread spectrum transmission systems
11/14/2007EP1692535B1 Satellite data acquisition method
11/14/2007EP1684466B1 Power saving and handling broadcast as unicast traffic in a WLAN
11/14/2007EP1671151A4 Method and apparatus for satellite-based relative positioning of moving platforms
11/14/2007CN200976046Y Positioning communication integrated dobber
11/14/2007CN101071167A Global human crime or disease prevention system installation engineering
11/14/2007CN101071069A On-board driving information wireless transceiving device
11/13/2007US7295633 Triple multiplexing spread spectrum receiver
11/13/2007US7295159 Method for measuring time of arrival of signals in a communications network
11/13/2007US7295155 Satellite positioning apparatus and method
11/08/2007WO2007126401A1 Satellite positioning aided communication system selection
11/08/2007US20070257831 System and method for positioning in configured environments
11/07/2007EP1851564A1 Method and apparatus for enhanced autonomous gps
11/07/2007EP1851111A1 Optical tracking system for refueling
11/07/2007EP1660904A4 A system and method for provinding assistance data within a location network
11/07/2007CN200972507Y Special group positioner
11/07/2007CN101067902A Traffic flow state analysis required detection vehicle sampling quantity obtaining method
11/07/2007CN101067652A 测位系统 Positioning system
11/07/2007CN101067651A GPS weak signal fast capturing realizing method
11/07/2007CN100347563C Position determination in wireless communication system with detection and compensation for repeaters
11/06/2007US7292663 Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
11/06/2007US7292183 GPS reference system providing synthetic reference phases for controlling accuracy of high integrity positions
11/01/2007WO2007044196A3 Data demodulation from weak navigational satellite signals
11/01/2007US20070253471 Gps Receiver Using Differential Correlation
11/01/2007US20070252758 Radio positioning system for providing position and time for assisting gps signal acquisition in mobile unit
11/01/2007US20070252757 Positioning device, positioning control method, and recording medium
11/01/2007US20070252756 Spatial position determination system
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