Patents
Patents for G01S 5 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations (29,969)
11/2002
11/26/2002US6487500 GPS vehicle collision avoidance warning and control system and method
11/26/2002US6487499 Method for adjusting a pseudo-range model
11/26/2002US6486831 Methods and apparatus for estimating accuracy of measurement signals
11/21/2002WO2002093947A1 Wireless navigational system, device and method
11/21/2002WO2002093877A1 Context sensitive web services
11/21/2002WO2002093190A2 Method of improving satellite reacquisition performance for integrated gp/1g navigational systems
11/21/2002WO2002073562A9 Article locator system
11/21/2002WO2002063328A8 Low cost system and method for making dual band gps measurements
11/21/2002WO2002059634A3 Apparatus for processing of gps signals
11/21/2002US20020173909 Server-assisted position determination in a radio network
11/21/2002US20020173720 Ultrasound diagnostic apparatus
11/21/2002US20020173295 Context sensitive web services
11/21/2002US20020172223 Calibration for wireless location system
11/21/2002US20020172193 In-band signaling for data communications over digital wireless telecommunications networks
11/21/2002US20020171586 Methods and apparatus for estimating accuracy of measurement signals
11/21/2002US20020171581 Method and apparatus for providing location-based information via a computer network
11/20/2002EP1258159A1 Position reporting method for a mobile terminal in a mobile communication network
11/20/2002EP1258106A2 Virtual wireless local area network using impulse radio
11/20/2002EP1257971A2 System and method for estimating ego-motion of a moving vehicle using successive images recorded along the vehicle's path of motion
11/20/2002EP1218694A4 Navigation system and method for tracking the position of an object
11/20/2002CN2521626Y Hand-held positioning navigation inspection tour recording instrument
11/20/2002CN1380985A Method of despreading GPS spread spectrum signals
11/20/2002CN1380984A Gps接收机 Gps Receiver
11/19/2002US6484097 Wide area inverse differential GPS
11/19/2002US6484073 Method and device for determining the position of communication satellites
11/19/2002US6484035 Apparatus and method for triggerable location reporting
11/19/2002US6484034 Radio handset and position location system
11/19/2002US6484031 Locating method and arrangement
11/19/2002US6483461 Apparatus and method for locating objects in a three-dimensional space
11/19/2002US6483460 Baseline selection method for use in a wireless location system
11/19/2002US6483457 Global positioning system and global positioning apparatus
11/19/2002US6483456 GPS receiver
11/19/2002US6483454 Close formation aircraft collision avoidance
11/19/2002US6483429 Parking assistance system
11/15/2002WO2001088563A1 Method and device for radio determining at least one object position and/or orientation
11/15/2002CA2408988A1 Method and apparatus for determinig the postion and/or orientation of an object without the use of wires
11/14/2002WO2002091699A2 Method and system for providing user location information
11/14/2002WO2002091017A2 System and method for measurement domain data association in passive coherent location applications
11/14/2002WO2002091015A1 Radio location system measurement unit
11/14/2002WO2002091014A2 A gps based terrain referenced navigation system
11/14/2002US20020169578 Method and device for obtaining attitude under interference by a GPS receiver equipped with an array antenna
11/14/2002US20020169551 Navigation system, hand-held terminal, data transfer system and programs executed therein
11/14/2002US20020169550 Method of improving satellite reacquisition preformance for integrated GP/IG navigational systems
11/14/2002US20020169545 Positioning apparatus and navigation apparatus, and positioning method and navigation method
11/14/2002US20020169533 Method and system for positively identifying an object
11/14/2002US20020168989 Method of determining position in a cellular communications network
11/14/2002US20020167934 Method and system for timebase synchronization
11/14/2002US20020167862 Method and apparatus for approximating a source position of a sound-causing event for determining an input used in operating an electronic device
11/14/2002US20020167445 Method and device for precise geolocation of low-power, broadband, amplitude-modulated signals
11/14/2002US20020167442 GPS explorer
11/14/2002US20020167441 Infrastructure-aiding for satellite navigation receiver and method
11/14/2002US20020167417 Location system using retransmission of identifying information
11/14/2002DE10220366A1 Lokalisierungssystem mit einer Rückübertragung der Identifikationsinformation Localization system with a retransmission of the identification information
11/13/2002EP1256813A2 Apparatus and method for navigation and positioning
11/13/2002EP1256211A2 Position determination using bluetooth devices
11/13/2002EP1256013A1 Device and method for detecting flying objects
11/13/2002CN1379964A Location determination in telecommunication network
11/13/2002CN1379861A Fast acquisition position reporting system
11/13/2002CN1094198C 全球导航定位卫星差分数据链系统 Global navigation satellite differential data link system
11/12/2002US6480788 System and method for fast acquisition reporting using communication satellite range measurement
11/12/2002US6480787 GPS receiving system
11/12/2002US6480766 Method of determining train and track characteristics using navigational data
11/12/2002US6480557 Portable GPS-receiver for a personal safety system
11/12/2002US6480152 Integrated GPS/IMU method and microsystem thereof
11/12/2002US6480151 GPS receiver interference nuller with no satellite signal distortion
11/12/2002US6480149 Electrical, mechanical, and logical interface for a user terminal GPS accessory module
11/12/2002US6480148 Method and apparatus for navigation guidance
11/12/2002US6480147 Portable position determining device
11/12/2002US6480102 Method and apparatus for activating a crash countermeasure in response to the road condition
11/12/2002US6478260 Star detection and location system
11/12/2002US6477795 Excavator data acquisition and control system and process
11/12/2002CA2259766C Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area
11/07/2002WO2002089507A1 System and method for providing position-based information to a user of a wireless device
11/07/2002WO2002088896A2 Method and system for estimating subject position base on chaos theory
11/07/2002WO2002071095A3 Method and apparatus providing improved position estimate based on an initial coarse position estimate
11/07/2002US20020165731 System and method for performing object association at a tradeshow using a location tracking system
11/07/2002US20020165669 Attitude measurement using a single GPS receiver with two closely-spaced antennas
11/07/2002US20020165646 Detection of movement parameters pertaining to a motor vehicle by means of a d-gps system
11/07/2002US20020164999 System and method for proactive content delivery by situational location
11/07/2002US20020164998 System and method for providing position-based information to a user of a wireless device
11/07/2002US20020164995 Method, system, and program for providing user location information for a personal information management system from transmitting devices
11/07/2002US20020164994 Modular transponder
11/07/2002US20020163901 Location data validation by static entities receiving location data items by short-range communication
11/07/2002US20020163467 Positioning equipment
11/07/2002DE10156827A1 System zur Positionsbestimmung von Unterwasserobjekten System on the location of underwater objects
11/06/2002EP1255122A1 Radio location system measurement unit
11/06/2002EP1206889A4 Method and apparatus for determining the position of a mobile communication device using low accuracy clocks
11/06/2002CN1378651A Method and apparatus for transfering location estimates from first transceiver to second transceiver
11/06/2002CN1378398A Method and device for raising cellular mobile station positioning accuracy in urban environment
11/05/2002US6477464 Complete mirror-based global-positioning system (GPS) navigation solution
11/05/2002US6477380 System and method for estimating location of mobile station
11/05/2002US6477379 System and method for positioning a mobile station using two base stations
11/05/2002US6477363 System and method for communicating the location of an emergency caller through a telephone network to a control station
11/05/2002US6476763 Triggerable remote controller
11/05/2002US6476762 Method for performing positioning and an electronic device
10/2002
10/31/2002WO2002087261A2 Methods and apparatus for high-accuracy position location using search mode ranging techniques
10/31/2002WO2002087194A1 Position location for wap mobile entity
10/31/2002WO2002086642A1 Method for determining 3-dimensional attitude of object using satellite vehicle and decrease of integer ambiguity to be searched
10/31/2002WO2002086534A2 System and method for providing worldwide seamless location coverage
10/31/2002WO2002086533A2 Integrated gps and igs system and method