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)
07/2003
07/10/2003US20030128743 Method and apparatus for signal receipt and acquisition
07/10/2003US20030128355 Two-dimensional angle of arrival detection device
07/10/2003US20030128158 Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path
07/10/2003US20030128157 Global positioning apparatus and method for using a temperature compensated oscillator to perform a positon fix
07/10/2003US20030128104 Vehicle anti-theft system and method
07/09/2003EP1326212A1 Position recognizing device and position recognizing method, and accounting device and accounting method
07/09/2003EP1325652A1 Method for positioning a mobile station
07/09/2003EP1325561A1 System and method for fast code phase and carrier frequency acquisition in gps receiver
07/09/2003EP1325347A2 Short range spread-spectrum radiolocation system and method
07/09/2003CN1429381A Selectable range ring for ADS-B CDTI cockpit display
07/09/2003CN1429344A Methods and apparatus for using assistance data relating to satellite position systems
07/09/2003CN1114182C System for enhancing navigation and surveillance in low visibility conditions
07/08/2003US6590537 Local wireless digital tracking network
07/08/2003US6590534 Electronic car locator
07/08/2003US6590528 Low cost interference reduction system for GPS receivers
07/08/2003US6590527 Navigation system, GPS terminal and navigation method using supplementary data in broadcast radio wave signal
07/08/2003US6590525 GPS receiver and mobile unit incorporating the same
07/08/2003US6590524 Method and means for precise time synchronization
07/03/2003WO2003055238A1 Method and apparatus for facilitating wireless communications with a nonautomotive roaming object
07/03/2003WO2003054576A1 Method for improved determination of a vehicle attitude using satellite radionavigation signals
07/03/2003WO2003054575A1 Method of processing a navigation signal containing data
07/03/2003WO2003054573A1 Field device with a gps-module
07/03/2003WO2003054572A1 Method and dual-frequency gps receiver
07/03/2003WO2003054571A2 Fault detection and exclusion for global position systems
07/03/2003WO2003008994A3 Apparatus, method, and system of transferring correction information
07/03/2003US20030125875 Positioning system
07/03/2003US20030125849 Telematics process for helicopters
07/03/2003US20030125046 Use of mobile stations for determination of base station location parameters in a wireless mobile communication system
07/03/2003US20030123531 Triple multiplexing spread spectrum receiver
07/03/2003CA2470838A1 Method and dual-frequency gps receiver
07/03/2003CA2470550A1 Method for improved determination of a vehicle attitude using satellite radionavigation signals
07/03/2003CA2470375A1 Method of processing a navigation signal containing data
07/02/2003EP1323317A1 Distributed location system
07/02/2003EP1323271A1 System and method for fast code phase and carrier frequency acquisition in gps receiver
07/02/2003EP1323247A2 Systems and methods for providing gps time and assistance data in a packet switched mobile communications network
07/02/2003EP1322973A2 A method of generating a time shifted signal
07/02/2003CN1113481C GPS receiver with efficient signal acquisition
07/02/2003CN1113250C GPS receiver and method for processing GPS signals
07/01/2003US6587789 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
07/01/2003US6587788 Integrated position and direction system with radio communication for updating data
07/01/2003US6587761 Unambiguous integer cycle attitude determination method
07/01/2003US6587692 Location determination using weighted ridge regression
07/01/2003US6587078 Interference-aided navigation with temporal beam forming in rotating vehicles
07/01/2003US6587075 Information management and control system
06/2003
06/26/2003WO2003052448A2 Gps receiver
06/26/2003US20030119525 System and method for locating a mobile station in a wireless network
06/26/2003US20030119496 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
06/26/2003US20030119445 Method and apparatus for facilitating wireless communications with a nonautomotive roaming object
06/26/2003US20030118086 Method for performing reacquisition in a positioning receiver, and an electronic device
06/26/2003US20030117319 Method and apparatus for locating the source of unknown signal
06/26/2003US20030117317 Fault detection and exclusion for global position systems
06/25/2003EP1322044A1 Method and apparatus for detecting spread spectrum signal spread code synchronization
06/25/2003EP1321774A1 A method for performing reacquisition in a positioning receiver, and corresponding electronic device
06/25/2003EP1320764A1 Position detection system integrated into mobile terminal
06/25/2003EP0910902B1 Method for efficient sampling in a correlator
06/25/2003CN1426539A Miniature electronic personal locator beacon
06/24/2003US6584404 Thin-client
06/24/2003US6583759 Method for determining a position, a positioning system, and an electronic device
06/24/2003US6583758 Memory reduction method for a DSP-based GPS processor
06/24/2003US6583757 Method and apparatus for satellite positioning system (SPS) time measurement
06/24/2003US6583756 Method and apparatus for using satellite status information in satellite positioning systems
06/19/2003WO2003051029A2 Position location using_digital tv signals
06/19/2003WO2003050960A2 Combination rfid and gps functionality on intelligent label
06/19/2003WO2003050558A2 Fast acquisition of a gps signal
06/19/2003WO2003023444B1 Gps near-far resistant receiver
06/19/2003WO2003023434A3 Lpi millimeter wave beacon
06/19/2003US20030114983 System and method for detecting interference in global positioning satellite signals
06/19/2003US20030114982 Method of obtaining a position fix in a GPS receiver and a GPS receiver for the same
06/19/2003US20030114172 Method and apparatus for reducing pilot search times utilizing mobile station location information
06/19/2003US20030112905 Global positioning system receiver capable of functioning in the presence of interference
06/19/2003US20030112181 Determining desired pseudolite locations based on predicted GPS coverage
06/19/2003US20030112179 Fast acquisition of GPS signal
06/19/2003US20030112176 Method and apparatus for determining location using a coarse position estimate
06/19/2003US20030112175 Apparatus and method for controlling receiving rate of GPS signal
06/18/2003EP1319189A2 Efficient algorithm for processing gps signals
06/18/2003CN1425226A Mobile unit location by coherent processed satellite signal with fixed label signal
06/17/2003US6580390 Method and system for global positioning system mask angle optimization
06/12/2003WO2003049465A1 Communications handset altitude determination in multi-level environments and methods therefor
06/12/2003WO2003048799A2 Method and apparatus for reducing electromagnetic interference and jamming in gp equipment operating in rolling environments
06/12/2003WO2003003807A3 Method and apparatus for computing signal correlation at multiple resolutions
06/12/2003US20030110015 Method for providing time using a multiple-clock modeland a clock system using such a model
06/12/2003US20030108126 Method and apparatus for acquiring a ranging signal of a positioning system
06/12/2003US20030107515 Combination rfid and gps functionality on intelligent label
06/12/2003US20030107514 Method and apparatus for saving power in a global postioning system receiver
06/12/2003US20030107513 Method and system for determining time in a satellite positioning system
06/10/2003US6577273 Radio transceiver and method of controlling direction of radio-wave emission
06/10/2003US6577271 Signal detector employing coherent integration
06/05/2003WO2003046602A1 Method for detecting and processing pulsed signals in a radio signal
06/05/2003WO2003046601A2 Locating a communication device using orthogonal projections
06/05/2003WO2003005056A3 System and method for a gps enabled antenna
06/05/2003US20030105583 Method and system for determining a navigating vehicle location
06/05/2003US20030104823 Portable telephone terminal with position-determining function
06/05/2003US20030104818 Communications handset altitude determination in multi-level environments and methods therefor
06/05/2003US20030102999 Site-specific doppler navigation system for back-up and verification of gps
06/05/2003CA2435796A1 Method for detecting and processing pulsed signals in a radio signal
06/04/2003EP1316228A1 Multi-mode global positioning system for use with wireless networks
06/04/2003CN1422384A Determining time in a GPS receiver
06/04/2003CN1422012A Radio communication terminal and position measuring system
06/03/2003US6574558 GPS receiver with cross-track hold
06/03/2003US6574557 Positioning error range setting apparatus, method, and navigation apparatus
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