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)
11/2003
11/11/2003US6646595 Scalable, reconfigurable GPS receiver
11/06/2003WO2003092319A1 Position determination for a wireless terminal in a hybrid position determination system
11/06/2003WO2003044556A3 Multiple antenna multi-frequency measurement system
11/06/2003US20030208317 Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS
11/06/2003US20030207681 System, method, and apparatus for generating a timing signal
11/06/2003CA2483318A1 Position determination for a wireless terminal in a hybrid position determination system
11/05/2003EP1359677A1 Method and subscriber apparatus for generating and processing of a navigation signal with a constant amplitude
11/05/2003EP1359431A1 Method and corresponding server for determining the position of a moving mobile terminal
11/05/2003EP1358724A1 Gps enabled mobile stations and locations methods therefor
11/05/2003EP1358568A2 Mobile computing and communication
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
11/04/2003US6643678 Correction of code drift in a non-coherent memory
11/04/2003US6643320 Receiver for DS-CDMA signals
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
10/30/2003WO2003089953A1 Emergency beacon and method of adjusting beacon transmit period
10/30/2003WO2003089952A2 Compensation for frequency adjustment in a mobile communication-positioning device with shared oscillator
10/30/2003WO2003089951A2 Method for optimal search scheduling in satellite acquisition
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
10/30/2003US20030204550 Method for multi-tasking multiple Java virtual machines in a secure environment
10/30/2003US20030204309 Method and apparatus for processing navigational signals in a satellite navigation system
10/30/2003US20030202996 Method for preparing a fluid absorber
10/30/2003US20030201935 Oscillator frequency correction in gps signal acquisition
10/30/2003US20030201934 Weak signal and anti-jamming Global Positioning System receiver and method using full correlation grid
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
10/30/2003US20030201767 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
10/29/2003EP1356694A1 Method and system for validating a mobile station location fix
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
10/28/2003US6640106 Method and system for verifying the position of a mobile station using checkpoints
10/28/2003US6639549 Fault detection and exclusion for global position systems
10/28/2003US6639541 Device and method for detecting, measuring, and reporting low-level interference at a receiver
10/28/2003US6639520 Transmission system and coding communication method for a transmission system
10/23/2003WO2003051029A3 Position location using_digital tv signals
10/23/2003WO2003046601A3 Locating a communication device using orthogonal projections
10/23/2003US20030199260 Wireless communication receiver and method for determining a reference frequency in a wireless communication device
10/23/2003US20030197641 Method for optimal search scheduling in satellite acquisition
10/23/2003US20030197639 Method and apparatus for determining time in a satellite positioning system
10/23/2003US20030197638 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator
10/22/2003EP1355164A1 System and method for locating a mobile terminal, particularly for rescuing a person in distress, and device for awaking a corresponding mobile terminal
10/22/2003CN1450359A Real time clock for GPS receiver
10/21/2003US6636744 Obtaining pilot phase offset time delay parameter for a wireless terminal of an integrated wireless-global positioning system
10/21/2003US6636740 Apparatus and methods for position computation based on broadcast initialization data
10/21/2003US6636558 Multipath mitigation approach for spread spectrum ranging/positioning systems
10/21/2003US6636178 Signal detector employing correlation analysis of non-uniform and disjoint sample segments
10/21/2003US6636176 System for determining position of mobile communication terminal and method thereof
10/16/2003WO2003067279A3 Directly acquiring precision code gps signals
10/16/2003WO2003054571A3 Fault detection and exclusion for global position systems
10/16/2003WO2003007488A3 Interference rejection gps antenna system
10/16/2003WO2003001229A3 Determining the spatio-temporal and kinematic parameters of a signal receiver and its clock by combination of different information.
10/16/2003US20030195008 Locating system and method
10/16/2003US20030193575 Removable apparatus for use in a digital recording/reproducing device for outputing position information, and a digital recording/reproducing device having the same
10/16/2003US20030193434 GPS signal receiving and rebroadcasting device
10/16/2003US20030193432 System for determining position of mobile communication terminal and method thereof
10/14/2003US6633814 GPS system for navigating a vehicle
10/14/2003US6633255 Method for open loop tracking GPS signals
10/12/2003CA2381674A1 Method and apparatus for determining positioning of mobile machines relative to utility lines
10/09/2003WO2003084086A1 Method for determining the correlation between a received beacon signal and a reconstructed signal
10/09/2003WO2003084079A2 Automatic sequential tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking
10/09/2003WO2003083502A1 Method, receiver and system for determining the time of reception of a beacon signal
10/09/2003WO2003083501A1 Determination of the transmission time of a signal part in a positioning system
10/09/2003WO2003081977A2 Time determination in satellite positioning system receivers and methods therefor
10/09/2003WO2003040747A3 Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
10/09/2003US20030190919 Method for positioning a mobile station
10/09/2003US20030189513 GPS device for Measuring wave height and current direction and speed and GPS system for measuring wave height and current direction and speed
10/08/2003EP1350410A2 Mobile terminal and system and method for determining the geographic location of a mobile terminal
10/08/2003CN1448009A Modified transmission method for improving accuracy for E-911 calls
10/08/2003CN1447128A Communication method for locating buses in real time and implemented system
10/07/2003US6630993 Method and optical receiver with easy setup means for use in position measurement systems
10/07/2003US6630904 Deeply-integrated adaptive INS/GPS navigator with extended-range code tracking
10/02/2003WO2003081810A1 Indoor cdma mobile communication system for simultaneously supplying a traffic signal, control signal and gps signal using a lan cable and control method thereof
10/02/2003WO2003081277A1 Method of, and apparatus for, determining position
10/02/2003US20030187576 GPS receiver and receiving method
10/02/2003US20030187575 Time determination in satellite positioning system receivers and methods therefor
10/02/2003US20030186667 System and method for providing a multiband antenna
10/01/2003EP1348976A1 Method and device for determining the bearing of an incoming radio signal in a mobile communications network
10/01/2003CN1445559A Method and system for determining position according to computing time
10/01/2003CN1122856C Method for measuring guide track
09/2003
09/30/2003US6628234 Method and system for processing positioning signals in a stand-alone mode
09/30/2003US6628232 GPS tracker
09/30/2003US6628231 Location of radio frequency emitting targets
09/25/2003WO2003079578A1 Proximity triggered job scheduling system and method
09/25/2003WO2003079046A1 An adaptive system and method for radar detection
09/25/2003WO2003079044A1 Method and arrangements for the transmission of pseudolite trajectories within navigation data of a satellite navigation system
09/25/2003WO2003038467A3 Parameter estimator with dynamically variable integration time
09/25/2003WO2003036886A3 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
09/25/2003WO2003008990A3 Improvements in radio positioning systems
09/25/2003WO2003001234A3 Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values
09/25/2003US20030179132 Information management and control system
09/25/2003CA2478764A1 Proximity triggered job scheduling system and method
09/24/2003EP1346598A2 Radio communications system and method for determining the position of at least one user device
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