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)
12/2009
12/03/2009US20090295632 Methods and Apparatuses for Processing Satellite Positioning System Signals
12/03/2009US20090295631 Apparatus and method for cross-correlation spur mitigation
12/03/2009US20090295630 Method and apparatus for position determination with extended sps orbit information
12/03/2009US20090295629 Controlling satellite navigation receivers in response to low frequency electromagnetic signals
12/03/2009CA2716981A1 Precise absolute time transfer from a satellite system
12/02/2009EP2128641A1 A method of processing a digital signal derived from an analog input signal of GNSS receiver, a GNSS receiver base band circuit for carrying out the method and a GNSS receiver
12/02/2009EP2128640A2 Method for optimising status messages in a satellite navigation system
12/02/2009EP2128639A2 Method for improving the continuity in a dual frequency satellite navigation system
12/02/2009EP2126598A2 Portable, iterative geolocation of rf emitters
12/02/2009EP1636549B1 Method and apparatus for real time clock (rtc) brownout detection
12/02/2009CN201355279Y Digitized remote infrared ray temperature measuring device with GPS
12/02/2009CN201355257Y Mine multi-environmental parameter wireless monitoring and positioning device
12/02/2009CN101595393A SBAS correction information in MS based AGPS system
12/02/2009CN101594771A Embedded vehicle-mounted GPRS system
12/02/2009CN101594128A Synchronizing pulse synthesizing method and synchronizing pulse synthesizer for combined navigation processor
12/02/2009CN101593390A System and method for action selling
12/02/2009CN101593189A Method for sharing navigation audio and website system
12/02/2009CN101592726A Method and apparatus for improving radio location accuracy
12/02/2009CN101592723A GPS receiver and method for positioning same
12/02/2009CN101592722A Area positioning system and method thereof
12/02/2009CN101592720A Modular satellite navigation positioning device and method
12/02/2009CN101592531A Method and device for monitoring distribution of vertical depth temperature field of ocean in real time
12/02/2009CN100566207C Synthetic navigation data for high-sensitivity satellite location system receiver
12/02/2009CN100565237C Share reference station
12/02/2009CN100565236C Method of updating GPS almanac data for satellites not in view
12/02/2009CN100565107C Geographic data collecting system
12/01/2009US7626544 Robust low-frequency spread-spectrum navigation system
12/01/2009US7626542 Mitigating interference in a signal
12/01/2009US7626539 Method and apparatus for managing time in a satellite positioning system
11/2009
11/26/2009WO2009143225A2 Multiple-mode location determining methods and systems
11/26/2009WO2009142981A1 Method and apparatus for satellite positioning system time resolution
11/26/2009WO2009142943A2 Providing base station almanac to mobile station
11/26/2009WO2009142883A1 Method of determining the dynamic location of a protection device
11/26/2009WO2009142729A1 Satellite receiver and method for navigation using merged satellite system signals
11/26/2009WO2009141453A1 System and method for multi-correlation with modulation-adapted filter for the fast acquisition and the tracking of a radio navigation signal in the presence of jamming
11/26/2009WO2009076936A3 Method for the transmission of additional data along with navigation messages in a satellite navigation system
11/26/2009US20090290869 Vehicle-mounted receiver apparatus
11/26/2009US20090289851 Reference beacon methods and apparatus for tdoa/fdoa geolocation
11/26/2009US20090289849 Method and apparatus for satellite positioning system time resolution
11/26/2009US20090289846 Method of processing a digital signal derived from an analog input signal of a GNSS receiver, a GNSS receiver base band circuit for carrying out the method and a GNSS receiver
11/26/2009US20090289845 Multiple-mode location determining methods and systems
11/26/2009US20090289843 Method and System for Rendering Changing GPS Position on a Web Page
11/26/2009US20090289842 Process for Improving the Continuity in the Case of a Two-Frequency Navigation Satellite System
11/26/2009US20090289840 Process for Optimizing Status Notifications in the Case of a Navigation Satellite System
11/26/2009DE10059540B4 GPS-Empfänger der eine Suchfrequenzband-Umschaltfunktion aufweist Having GPS receiver, a search frequency band switching
11/26/2009CA2723932A1 System and method for multi-correlation with modulation-adapted filter for the fast acquisition and the tracking of a radio navigation signal in the presence of jamming
11/26/2009CA2719970A1 Providing base station almanac to mobile station
11/25/2009EP2122994A2 Network independent location services
11/25/2009EP1379893B9 Gps-based positioning system for mobile gps terminals
11/25/2009EP1020038B1 Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver
11/25/2009CN201352853Y Automobile locating device capable of being controlled through messages
11/25/2009CN201352260Y Outdoor guide wristwatch node based on wireless sensor network
11/25/2009CN201352259Y GNSS monitoring device and clock control module
11/25/2009CN201352258Y GNSS monitoring device and clock module
11/25/2009CN201352115Y System for monitoring geological changes by utilizing single-frequency GNSS receiver
11/25/2009CN201352114Y GNSS monitoring device and memory module
11/25/2009CN201351287Y Satellite positioning dynamic deformation modulus measuring instrument
11/25/2009CN101588532A Wireless information release system based on GPS/GPRS and LED display
11/25/2009CN101587672A Advertisement playing system with distinguishing position
11/25/2009CN101587181A Wideband digital telemetered signal isolating and matching method
11/25/2009CN101587180A Flash break recapturing system and method of satellite receiver signal
11/25/2009CN101587179A GPS receiver with differential speed measuring function based on ARM chip
11/25/2009CN101587178A Method for outputting data updating rate of dynamic optimized GPS receiver
11/25/2009CN101587177A Positioning, retrieving and tracking system using RFID
11/25/2009CN100562762C Method and system for locating a GPS correlated peak signal
11/24/2009US7623872 Method for sparse network deployment accuracy enhancements
11/24/2009US7623871 Position determination for a wireless terminal in a hybrid position determination system
11/24/2009US7623070 Cross-correlation mitigation method and apparatus for use in a global positioning system receiver
11/24/2009US7623067 Fast search GPS receiver
11/24/2009US7623066 Satellite positioning system receiver time determination in minimum satellite coverage
11/19/2009WO2009140168A2 Gps power savings using low power sensors
11/19/2009WO2009138662A1 Underwater acoustic positioning system
11/19/2009WO2009138555A1 Method and system for obtaining services
11/19/2009US20090284417 Arrangement and Method for the Wireless Transmission of Phase-Critical Signals when the Length of the Transmission is Variable
11/19/2009US20090284414 Positioning method, program thereof, and positioning device
11/19/2009US20090284413 Mobile device comprising a gps receiver
11/19/2009US20090284412 Method for determining positions of contacts
11/19/2009US20090284410 Vehicle System And Earth-Based Receiver System
11/19/2009CA2723976A1 Method and system for obtaining services
11/18/2009EP2120060A1 Method of operating a satellite navigation receiver
11/18/2009EP2119213A1 Method and system for providing area specific messaging
11/18/2009EP2033009B1 Receiver and method for receiving a first useful frequency band and a second useful frequency band
11/18/2009CN201348659Y 导航地面设备构架 Navigation ground equipment frame
11/18/2009CN201347050Y Satellite positioning and warning device for automobile
11/18/2009CN101582198A Real-time monitoring method for construction quality of core rockfill dam
11/18/2009CN101581775A Open-loop compensation tracking method of high-dynamic GNSS carriers on basis of four-dimensional UKF
11/18/2009CN101581774A High-precision point positioning method and system for global navigation satellite system (GNSS)
11/18/2009CN100561242C Receiving card recognizing method and correlated communication equipment
11/18/2009CN100561134C Train GPS mileage self-correcting system and correcting method thereof
11/18/2009CN100561132C Real time traffic map image GPS guider based on IPv6 cell phone platform
11/17/2009US7620403 Method and apparatus for providing reference frequency aiding among peers operating in a direct communication mode
11/17/2009US7620060 Method for automatically configuring terminal equipment
11/17/2009US7619560 GPS processing arrangement
11/17/2009US7619559 Method and system for all-in-view coherent GPS signal PRN codes acquisition and navigation solution determination
11/12/2009WO2009137336A1 Adaptive coherent integration time
11/12/2009US20090278938 Cognitive Change Detection System
11/12/2009US20090278741 Navigation apparatus and method of acquiring ephemeris data
11/12/2009US20090278739 GPS Signal Data Converter for Providing GPS Signals to a Plurality of Connection Ports
11/12/2009US20090278738 Gps power savings using low power sensors
11/12/2009US20090278737 Method and system of trace-position
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