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)
08/2003
08/14/2003WO2003067869A2 Using television signals to provide localized position
08/14/2003WO2003067356A1 Oscillator with frequency stabilizing circuit and method of constructing same
08/14/2003WO2003067279A2 Directly acquiring precision code gps signals
08/14/2003WO2003067277A2 Method and apparatus for testing assisted position location capable devices
08/14/2003WO2003050558A3 Fast acquisition of a gps signal
08/14/2003WO2003025618A3 Advanced power management for satellite positioning system
08/14/2003WO2003023441A8 System and method to estimate the location of a receiver
08/14/2003WO2003010912A3 Method and apparatus for generating and distributing satellite tracking information in a compact format
08/14/2003WO2002067439A3 Time synchronization of a satellite positioning system enabled mobile receiver and base station
08/14/2003US20030154026 Satellite position measurement system
08/14/2003US20030154025 Method and apparatus for performing timing synchronization
08/14/2003US20030152134 Navigation data prediction for GPS and glonass weak signal tracking
08/14/2003US20030151547 Directly acquiring precision code GPS signals
08/14/2003US20030151506 Method and apparatus for locating missing persons
08/14/2003CA2474504A1 Method and apparatus for testing assisted position location capable devices
08/13/2003EP1334578A2 Wireless clock synchronization
08/13/2003EP1334371A2 Method and apparatus for time-free processing of gps signals
08/13/2003CN1117990C Method and circuit for reception of signals for positioning by satellite with elimination of multiple path errors
08/12/2003US6606560 Beacon for satellite registration
08/12/2003US6606346 Method and apparatus for computing signal correlation
08/12/2003US6605041 3-D ultrasound recording device
08/12/2003CA2207073C Dual frequency global positioning system
08/07/2003WO2002071092A3 Methods and apparatuses for processing of global positioning system using a matched filter
08/07/2003US20030149526 Systems and methods for monitoring and tracking related U.S. patent applications
08/07/2003US20030148761 Method and apparatus for testing assisted position location capable devices
08/07/2003US20030147457 Data message bit synchronization and local time correction methods and architectures
08/07/2003US20030146871 Wireless location using signal direction and time difference of arrival
08/07/2003US20030146868 GPS receiver system
08/06/2003EP1332379A2 Position detection system integrated into mobile terminal
08/06/2003EP1332378A2 Apparatus for navigation satellite signal quality monitoring
08/06/2003EP1247115B1 Methods and systems for monitoring multiple channels in a very high frequency omni-directional range receiver
08/06/2003EP1097390B1 Gps satellite drift monitor
08/06/2003CN1434925A Personal locatiom detection system
08/06/2003CN1434269A Position determining apparatus and rotary laser apparatus used with same
08/05/2003US6603978 Accurate GPS time estimate based on information from a wireless communications system
08/05/2003US6603977 Location information system for a wireless communication device and method therefor
08/05/2003US6603803 Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurements
08/05/2003US6603428 Multiple pass location processing
08/05/2003US6603426 Satellite integrity monitor and alert
08/05/2003CA2279303C Method for determining an angle of arrival of a signal transmitted by a remote unit in a communication system
08/05/2003CA2197110C Device and process for transmitting information in a radiating waveguide system
07/2003
07/31/2003WO2003063540A1 Information-centric routing in a scalable mobile wireless network
07/31/2003WO2003063530A1 Dynamic selection and scheduling of radio frequency communications
07/31/2003WO2003063529A1 Dynamic creation, selection, and scheduling of radio frequency communications
07/31/2003WO2003012485A3 Road weather prediction system and method
07/31/2003WO2002093190A3 Method of improving satellite reacquisition performance for integrated gp/1g navigational systems
07/31/2003WO2002059634A9 Apparatus for processing of gps signals
07/31/2003US20030144011 System and method for person or object position location utilizing impulse radio
07/31/2003US20030143975 System and method for cyclic carrier de-rotation for earliest time of arrival estimation in a wireless communications system
07/31/2003US20030142016 System and method for locating an output device
07/31/2003CA2474707A1 Dynamic selection and scheduling of radio frequency communications
07/30/2003EP1330662A2 Gps satellite signal acquisition assistance system and method in a wireless communications network
07/30/2003EP1330660A1 Method for calculating instantaneous characteristics of a satellite in orbit, equipped with a gnss receiver
07/30/2003EP1181573B1 Method and device for magnetic guidance, especially for tracking targets
07/30/2003CN1433591A Method and apparatus for location determination of cellular telephone
07/29/2003US6600977 Glideslope monitor for aircraft
07/29/2003US6600909 Device for receiving signals from satellite radio-navigation systems
07/29/2003US6600444 System and method for computing navigation information in the presence of interference
07/29/2003US6599147 High-density removable expansion module having I/O and second-level-removable expansion memory
07/24/2003WO2003060550A1 System and method for subband beamforming using adaptive weight normalization
07/24/2003WO2003060547A1 Provision of location information
07/24/2003WO2003060546A2 Serial cancellation receiver design for a coded signal processing engine
07/24/2003WO2003060543A2 Global positioning system receiver
07/24/2003WO2003060542A2 System for the efficient utilization of navigation satellites
07/24/2003WO2003060541A2 Aircraft gps instrumentation system and relative method
07/24/2003US20030139879 GPS receiver and method for processing GPS signals
07/24/2003US20030139190 Method and apparatus using geographical position to provide authenticated, secure, radio frequency communication between a gaming host and a remote gaming device
07/24/2003US20030137450 Method and system for processing positioning signals in a geometric mode
07/24/2003US20030136901 Position determining apparatus and rotary laser apparatus used with the same
07/23/2003EP1329736A2 Portable gps receiver for a personal safety system
07/23/2003EP1328822A2 Method and apparatus for determining an error estimate in a hybrid position determination system
07/23/2003EP1073914B1 Method and apparatus for determining time in a satellite positioning system
07/23/2003CN1432218A Method of despreading spread spectrum signal
07/23/2003CN1115275C Vehicle number collector and collecting method for work station point
07/22/2003US6598009 Method and device for obtaining attitude under interference by a GSP receiver equipped with an array antenna
07/22/2003US6597987 Method for improving vehicle positioning in a navigation system
07/22/2003US6597985 Positioning apparatus and navigation apparatus, and positioning method and navigation method
07/22/2003US6597311 Method and apparatus for determining time in a satellite positioning system
07/17/2003WO2003058985A2 Use of mobile stations for determination of base station location parameters in a wireless mobile communication system
07/17/2003WO2003058841A1 Multiple initial search method for cdma and gps system
07/17/2003WO2003058272A1 Method for determining a position with the aid of a radio signal having a rotating transmission characteristic
07/17/2003WO2003058271A1 Rejection of narrowband frequency components in wideband positioning signals
07/17/2003WO2003058270A1 Device and method for the suppression of pulsed wireless signals
07/17/2003WO2002103381A3 Method and apparatus for creating and distributing satellite orbit and clock data
07/17/2003US20030135326 System for underwater GPS navigation
07/17/2003US20030134657 Mobile location devices and methods
07/17/2003US20030134646 Systems and methods for transmitting global positioning system information from a wireless communication system base station
07/17/2003US20030133524 System and method for subband beamforming using adaptive weight normalization
07/17/2003US20030132879 Method of despreading GPS spread spectrum signals
07/17/2003US20030132878 Extended kalman filter for autonomous satellite navigation system
07/17/2003US20030132877 Systems and methods for providing position information using a wireless communication device
07/17/2003CA2439563A1 Device and method for the suppression of pulsed wireless signals
07/16/2003EP1327159A1 System for tracking a moving object
07/16/2003EP0961937A4 Determining angle of arrival of a signal
07/16/2003CN1114832C Method and apparatus for covariance matrix estimation in weighted least-squares location solution
07/15/2003US6593875 Site-specific doppler navigation system for back-up and verification of GPS
07/10/2003WO2003056661A1 Redundant gps antenna splitter
07/10/2003WO2003056355A1 Method and apparatus for signal receipt and acquisition
07/10/2003WO2003016818A3 Three dimensional mapping system for automotive vehicles
07/10/2003US20030128747 Multiplexed CDMA and GPS searching
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