IL106386A - System and method for locating and monitoring a transmitter-respondent - Google Patents

System and method for locating and monitoring a transmitter-respondent

Info

Publication number
IL106386A
IL106386A IL10638693A IL10638693A IL106386A IL 106386 A IL106386 A IL 106386A IL 10638693 A IL10638693 A IL 10638693A IL 10638693 A IL10638693 A IL 10638693A IL 106386 A IL106386 A IL 106386A
Authority
IL
Israel
Prior art keywords
vehicle
transponder
phase
antenna
location system
Prior art date
Application number
IL10638693A
Other languages
English (en)
Hebrew (he)
Other versions
IL106386A0 (en
Original Assignee
Hughes Aircraft Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL106386A0 publication Critical patent/IL106386A0/xx
Publication of IL106386A publication Critical patent/IL106386A/en

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
    • G—PHYSICS
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
IL10638693A 1992-07-22 1993-07-19 System and method for locating and monitoring a transmitter-respondent IL106386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/918,734 US5227803A (en) 1992-07-22 1992-07-22 Transponder location and tracking system and method

Publications (2)

Publication Number Publication Date
IL106386A0 IL106386A0 (en) 1993-11-15
IL106386A true IL106386A (en) 1996-06-18

Family

ID=25440868

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10638693A IL106386A (en) 1992-07-22 1993-07-19 System and method for locating and monitoring a transmitter-respondent

Country Status (13)

Country Link
US (1) US5227803A (ja)
EP (1) EP0580139B1 (ja)
JP (1) JPH06258425A (ja)
KR (1) KR970003696B1 (ja)
AU (1) AU654920B2 (ja)
BR (1) BR9302954A (ja)
CA (1) CA2100723C (ja)
DE (1) DE69324309T2 (ja)
IL (1) IL106386A (ja)
MX (1) MX9304404A (ja)
NO (1) NO932649L (ja)
NZ (1) NZ248206A (ja)
TW (1) TW225587B (ja)

Families Citing this family (121)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730458A (ja) * 1992-11-06 1995-01-31 Texas Instr Deutschland Gmbh 多重呼掛部、データ通信およびトランスポンダ装置
US5701127A (en) * 1993-02-23 1997-12-23 Texas Instruments Incorporated Automatic vehicle identification system capable of vehicle lane discrimination
DE4318108C1 (de) * 1993-06-01 1995-01-05 Bosch Gmbh Robert Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und Sende-/Empfangsgeräten
US5530702A (en) * 1994-05-31 1996-06-25 Ludwig Kipp System for storage and communication of information
US5602538A (en) * 1994-07-27 1997-02-11 Texas Instruments Incorporated Apparatus and method for identifying multiple transponders
DE4439708A1 (de) * 1994-11-05 1996-05-09 Bosch Gmbh Robert Verfahren zur Positionsbestimmung eines Fahrzeugs auf einer Straße
US5648767A (en) * 1994-11-30 1997-07-15 Hughes Aircraft Transponder detection system and method
JP3185576B2 (ja) * 1994-12-22 2001-07-11 株式会社デンソー 車両用通信装置
US5523762A (en) * 1995-01-24 1996-06-04 Streetman; James A. Emergency auto device
US5592181A (en) * 1995-05-18 1997-01-07 Hughes Aircraft Company Vehicle position tracking technique
JP3134735B2 (ja) * 1995-10-06 2001-02-13 トヨタ自動車株式会社 移動体用通信制御方法
EP0834748A1 (en) * 1996-10-01 1998-04-08 He Holdings, Inc. Dba Hughes Electronics Vehicle position tracking technique
US6084530A (en) * 1996-12-30 2000-07-04 Lucent Technologies Inc. Modulated backscatter sensor system
US5952922A (en) * 1996-12-31 1999-09-14 Lucent Technologies Inc. In-building modulated backscatter system
US6456668B1 (en) 1996-12-31 2002-09-24 Lucent Technologies Inc. QPSK modulated backscatter system
US6046683A (en) * 1996-12-31 2000-04-04 Lucent Technologies Inc. Modulated backscatter location system
US6184841B1 (en) 1996-12-31 2001-02-06 Lucent Technologies Inc. Antenna array in an RFID system
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
US6570487B1 (en) 1997-01-24 2003-05-27 Axcess Inc. Distributed tag reader system and method
US6034603A (en) * 1997-01-24 2000-03-07 Axcess, Inc. Radio tag system and method with improved tag interference avoidance
US5900828A (en) * 1997-04-14 1999-05-04 Chrysler Corporation Modemless transmitter for test vehicle tracking system
US6614859B2 (en) * 1997-05-27 2003-09-02 Trellisware Technologies, Inc. Method and system for angle of arrival estimation and data detection using vector per-survivor processing of signals from an array of antennas
JPH11120396A (ja) * 1997-10-17 1999-04-30 Nec Corp 通信車両判定装置及び通信車両判定方法
JP3213282B2 (ja) * 1998-09-16 2001-10-02 松下電器産業株式会社 有料道路の自動料金収受システム
DE19846803C1 (de) * 1998-10-10 2000-09-07 Daimler Chrysler Ag Verfahren zur Herstellung der Zugangsberechtigung zu einem motorangetriebenen Fahrzeug
DE19907024A1 (de) * 1999-02-19 2000-09-07 Geometrie Concern Verwaltungs Verfahren und Vorrichtung zur Positionsbestimmung
US6294953B1 (en) 1999-02-26 2001-09-25 Axcess, Inc. High sensitivity demodulator for a radio tag and method
FR2790559B1 (fr) * 1999-03-04 2005-08-19 Centre Nat Etd Spatiales Dispositif de mesure des deplacements d'un objet mobile, notamment dans un environnement hostile
JP2001022987A (ja) * 1999-07-07 2001-01-26 Mitsubishi Heavy Ind Ltd 道路料金収受装置及び自動料金収受システム
US7005985B1 (en) * 1999-07-20 2006-02-28 Axcess, Inc. Radio frequency identification system and method
NL1012907C2 (nl) * 1999-08-25 2001-02-27 Amb It Holding Bv Stelsel voor het bepalen van de positie van een transponder.
DE19941351A1 (de) * 1999-08-31 2001-03-01 Mannesmann Vdo Ag Positionserkennung für Funkschlüssel
US6169519B1 (en) * 1999-09-21 2001-01-02 Rockwell Collins, Inc. TCAS bearing measurement receiver apparatus with phase error compensation method
US7286158B1 (en) 1999-12-22 2007-10-23 Axcess International Inc. Method and system for providing integrated remote monitoring services
US6573859B2 (en) * 2000-02-07 2003-06-03 Toyota Jidosha Kabushiki Kaisha Radar apparatus
JP3482173B2 (ja) * 2000-02-28 2003-12-22 株式会社日立製作所 料金収受装置及びその通信方法
IL151258A0 (en) * 2000-03-15 2003-04-10 Raytheon Co Predictive automatic road-incident detection using automatic vehicle identification
US6369710B1 (en) 2000-03-27 2002-04-09 Lucent Technologies Inc. Wireless security system
DE10017973A1 (de) 2000-04-11 2001-10-31 Bosch Gmbh Robert System zur Kontrolle der Zugangsberechtigung zu einem Fahrzeug
CA2409549A1 (en) * 2000-05-09 2001-11-15 Advanced Navigation & Positioning Corporation Vehicle surveillance system
US7768546B1 (en) 2000-05-12 2010-08-03 Axcess International, Inc. Integrated security system and method
US6362772B1 (en) * 2000-05-27 2002-03-26 Loral Spacecom Corporation Transponder plot system and method
DE10032422C1 (de) * 2000-07-04 2002-01-10 Siemens Ag Verfahren und Vorrichtung zur Sicherung einer Übertragungsstrecke zwischen einer Basiseinheit und einer mobilen Schlüsseleinheit
US6590534B1 (en) * 2000-12-16 2003-07-08 Kroll Family Trust Electronic car locator
US6637703B2 (en) 2000-12-28 2003-10-28 Ge Harris Railway Electronics Llc Yard tracking system
HU228601B1 (en) * 2001-01-26 2013-04-29 Raytheon Co System and method for reading license plates
KR20030021617A (ko) * 2001-09-07 2003-03-15 주식회사 코리아나화장품 수렴 화장료 조성물
US7347379B2 (en) * 2001-11-02 2008-03-25 Avid Identification Systems, Inc. Dual antenna coil transponder system
KR100770124B1 (ko) * 2001-11-08 2007-10-24 주식회사 엘지생활건강 마칠린-에이를 함유하는 피부미백용 조성물
US7265663B2 (en) 2001-11-28 2007-09-04 Trivinci Systems, Llc Multimedia racing experience system
US20030105558A1 (en) * 2001-11-28 2003-06-05 Steele Robert C. Multimedia racing experience system and corresponding experience based displays
US6762721B2 (en) * 2002-10-12 2004-07-13 Information Systems Laboratories, Inc. Urban terrain geolocation system
US20050176443A1 (en) * 2004-02-09 2005-08-11 J. Doss Halsey Cellular phone geolocation system
US7841120B2 (en) 2004-03-22 2010-11-30 Wilcox Industries Corp. Hand grip apparatus for firearm
JP4123195B2 (ja) * 2004-06-22 2008-07-23 オムロン株式会社 タグ通信装置、タグ通信装置の制御方法、タグ通信制御プログラム、および、タグ通信管理システム
MX2007013389A (es) * 2005-05-06 2008-01-15 Orthosoft Inc Sistema rf para rastrear objetos.
US7380723B1 (en) * 2005-11-01 2008-06-03 Hewlett-Packard Development Company, L.P. Monitoring object movement
US8588220B2 (en) * 2005-12-30 2013-11-19 L-3 Communications Corporation Method and apparatus for mitigating port swapping during signal tracking
WO2007103254A2 (en) * 2006-03-02 2007-09-13 Axcess International Inc. System and method for determining location, directionality, and velocity of rfid tags
US20070285241A1 (en) * 2006-03-20 2007-12-13 Axcess International Inc. Multi-Tag Tracking Systems and Methods
JP4120843B2 (ja) * 2006-05-10 2008-07-16 オムロン株式会社 タグ通信装置、タグ移動方向検知システム及びタグ移動方向検知方法
WO2007133690A2 (en) * 2006-05-11 2007-11-22 Axcess International Inc. Radio frequency identification (rfid) tag antenna design
US8130104B1 (en) * 2006-06-30 2012-03-06 Precyse Technologies, Inc. Tracking objects crossing a border line between two zones
EP3699806A1 (en) 2006-07-11 2020-08-26 Mojix, Inc. Rfid system
US7873326B2 (en) 2006-07-11 2011-01-18 Mojix, Inc. RFID beam forming system
US20080162154A1 (en) * 2006-12-28 2008-07-03 Fein Gene S System and Method for Vehicle Advertising Network
JP4352414B2 (ja) * 2007-03-05 2009-10-28 オムロン株式会社 タグ通信装置及びタグ通信システム
KR100883338B1 (ko) * 2007-07-25 2009-02-11 주식회사 빅텍 Ｒｆｉｄ를 이용한 차량의 진입레인 판별 장치 및 방법
CN101779139B (zh) * 2007-08-08 2013-08-07 富士通天株式会社 雷达装置和方位角检测方法
US20100207733A1 (en) * 2007-09-26 2010-08-19 Nxp B.V. Method for classifying a transponder and/or signals from a transponder and reader
JP5309569B2 (ja) * 2008-01-11 2013-10-09 ソニー株式会社 方向検出システム
JP4828553B2 (ja) * 2008-01-29 2011-11-30 富士通テン株式会社 レーダ装置、及び物標の角度検出方法
US9262912B2 (en) * 2008-02-25 2016-02-16 Checkpoint Systems, Inc. Localizing tagged assets using modulated backscatter
EP3232414A1 (en) 2008-04-14 2017-10-18 Mojix, Inc. Radio frequency identification tag location estimation and tracking system
GB0807586D0 (en) * 2008-04-26 2008-06-04 Roke Manor Research A multilateration system and method
US8638194B2 (en) * 2008-07-25 2014-01-28 Axcess International, Inc. Multiple radio frequency identification (RFID) tag wireless wide area network (WWAN) protocol
US8760316B2 (en) * 2009-03-20 2014-06-24 Kapsch Trafficcom Canada Inc. Enhanced transponder programming in an open road toll system
US8823577B2 (en) * 2009-12-23 2014-09-02 Itrack, Llc Distance separation tracking system
GB2478960B (en) * 2010-03-25 2012-08-22 Guidance Ip Ltd An apparatus for measuring the relative direction of a radio signal
EP2559014A4 (en) 2010-04-14 2016-11-02 Mojix Inc SYSTEMS AND METHOD FOR DETECTING PATTERNS IN SPATIAL TIME DATA FILED WITH AN RFID SYSTEM
US8471683B2 (en) 2010-06-09 2013-06-25 3M Innovative Properties Company Multilane vehicle tracking system
US9085310B2 (en) 2011-05-25 2015-07-21 Thales Canada Inc. Method of determining the position of a vehicle moving along a guideway
CN102831660B (zh) * 2012-08-20 2015-03-25 北京万集科技股份有限公司 一种预测obu最长交易路径的方法、设备及系统
CN103901399B (zh) * 2012-12-24 2015-08-05 北京握奇数据系统有限公司 一种利用无源多波束天线进行定位的方法和系统
US9111156B2 (en) 2013-03-15 2015-08-18 Mojix, Inc. Systems and methods for compressive sensing ranging evaluation
US9227641B2 (en) 2013-05-03 2016-01-05 Thales Canada Inc Vehicle position determining system and method of using the same
JP6369824B2 (ja) * 2013-10-23 2018-08-08 三菱重工機械システム株式会社 車両検出装置、車線制御システム、車両検出方法、及びプログラム
US9606224B2 (en) * 2014-01-14 2017-03-28 Alstom Transport Technologies Systems and methods for vehicle position detection
US9760776B1 (en) 2014-06-27 2017-09-12 Blinker, Inc. Method and apparatus for obtaining a vehicle history report from an image
US9600733B1 (en) 2014-06-27 2017-03-21 Blinker, Inc. Method and apparatus for receiving car parts data from an image
US9607236B1 (en) 2014-06-27 2017-03-28 Blinker, Inc. Method and apparatus for providing loan verification from an image
US10579892B1 (en) 2014-06-27 2020-03-03 Blinker, Inc. Method and apparatus for recovering license plate information from an image
US10733471B1 (en) 2014-06-27 2020-08-04 Blinker, Inc. Method and apparatus for receiving recall information from an image
US9558419B1 (en) 2014-06-27 2017-01-31 Blinker, Inc. Method and apparatus for receiving a location of a vehicle service center from an image
US9818154B1 (en) 2014-06-27 2017-11-14 Blinker, Inc. System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate
US10515285B2 (en) 2014-06-27 2019-12-24 Blinker, Inc. Method and apparatus for blocking information from an image
US9563814B1 (en) 2014-06-27 2017-02-07 Blinker, Inc. Method and apparatus for recovering a vehicle identification number from an image
US9773184B1 (en) 2014-06-27 2017-09-26 Blinker, Inc. Method and apparatus for receiving a broadcast radio service offer from an image
US9589201B1 (en) 2014-06-27 2017-03-07 Blinker, Inc. Method and apparatus for recovering a vehicle value from an image
US9754171B1 (en) 2014-06-27 2017-09-05 Blinker, Inc. Method and apparatus for receiving vehicle information from an image and posting the vehicle information to a website
US10572758B1 (en) 2014-06-27 2020-02-25 Blinker, Inc. Method and apparatus for receiving a financing offer from an image
US9892337B1 (en) 2014-06-27 2018-02-13 Blinker, Inc. Method and apparatus for receiving a refinancing offer from an image
US10540564B2 (en) 2014-06-27 2020-01-21 Blinker, Inc. Method and apparatus for identifying vehicle information from an image
US10867327B1 (en) 2014-06-27 2020-12-15 Blinker, Inc. System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate
US9589202B1 (en) 2014-06-27 2017-03-07 Blinker, Inc. Method and apparatus for receiving an insurance quote from an image
US9594971B1 (en) 2014-06-27 2017-03-14 Blinker, Inc. Method and apparatus for receiving listings of similar vehicles from an image
US9779318B1 (en) 2014-06-27 2017-10-03 Blinker, Inc. Method and apparatus for verifying vehicle ownership from an image
US9883337B2 (en) 2015-04-24 2018-01-30 Mijix, Inc. Location based services for RFID and sensor networks
JP5987187B1 (ja) 2015-10-16 2016-09-07 Ｒｆルーカス株式会社 記憶媒体位置検出システム及びプログラム
DE102016213229A1 (de) * 2016-02-12 2017-08-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bestimmung einer Position eines Senders
TWI599787B (zh) * 2016-08-01 2017-09-21 明泰科技股份有限公司 載具導航方法及系統
US11550024B2 (en) * 2016-09-20 2023-01-10 Deeyook Location Technologies Ltd. Interferometric location sensing
KR101927359B1 (ko) * 2017-01-04 2018-12-11 주식회사 에스원 반사판 기반 레이더 감지기에서 차량 신호에 의한 오작동 방지 방법 및 이를 이용한 차량 신호에 의한 오작동 방지 시스템
JP6907711B2 (ja) * 2017-05-29 2021-07-21 株式会社デンソー 電子キー位置推定装置
TWI675214B (zh) * 2018-03-09 2019-10-21 謝文揚 訊號方向判別裝置及訊號追蹤定位系統
WO2019200153A1 (en) * 2018-04-11 2019-10-17 The Regents Of The University Of California System and method of angle-of-arrival estimation, object localization, and target tracking, with received signal magnitude
CN112956108A (zh) 2018-06-29 2021-06-11 布鲁萨电子公司 用于感应式功率传递的系统中的信号适配装置
US10935668B2 (en) * 2018-08-28 2021-03-02 Bae Systems Information And Electronic Systems Integration Inc. System and method for determining geolocation of a signal source
CN111667608B (zh) * 2020-02-19 2022-09-13 中国银联股份有限公司 用于闸机通行的控制方法、系统和装置以及闸机
JP7420237B2 (ja) * 2020-05-15 2024-01-23 日本電信電話株式会社 物体検出方法、物体検出装置および物体検出システム
CN112071083B (zh) * 2020-09-15 2022-03-01 深圳市领航城市科技有限公司 一种机动车牌接力识别系统及车牌接力识别方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864681A (en) * 1973-02-28 1975-02-04 George A Olive System and process for locating sources of radiation
JPS49116993A (ja) * 1973-03-09 1974-11-08
JPS5032037A (ja) * 1973-07-25 1975-03-28
GB1442014A (en) * 1973-07-30 1976-07-07 Motorola Inc Antenna pattern generator
US3914762A (en) * 1973-12-27 1975-10-21 Rca Corp Electronic identification system
US4083047A (en) * 1974-08-05 1978-04-04 Energystics Vehicle guidance system
JPS522796A (en) * 1975-06-25 1977-01-10 Nippon Coinco:Kk Automatic sales machine
US4123754A (en) * 1976-06-28 1978-10-31 Armstrong Frank L Electronic detection and identification system
US4225969A (en) * 1979-01-31 1980-09-30 International Business Machines Corporation Method and apparatus for testing a frequency synthesizer in an RF modem
DE2911313C3 (de) * 1979-03-22 1981-11-05 Siemens AG, 1000 Berlin und 8000 München Flughafen-Überwachungssystem
US4303904A (en) * 1979-10-12 1981-12-01 Chasek Norman E Universally applicable, in-motion and automatic toll paying system using microwaves
JPS59190676A (ja) * 1983-04-14 1984-10-29 Oki Electric Ind Co Ltd 方向余弦推定方式
JPS60108778A (ja) * 1983-11-17 1985-06-14 Hitachi Ltd 追尾方法
AU564509B2 (en) * 1984-10-09 1987-08-13 X-Cyte Inc. Phase-encoded transponder interrogation
US4728959A (en) * 1986-08-08 1988-03-01 Ventana Sciences Inc. Direction finding localization system
JPS63184087A (ja) * 1987-01-26 1988-07-29 Nec Corp ス−パ−ヘテロダイン式二次レ−ダ受信装置
JPH03189798A (ja) * 1989-12-20 1991-08-19 Matsushita Electric Ind Co Ltd 車輌識別システムと、それに用いるｉｄプレート
JPH0443498A (ja) * 1990-06-09 1992-02-13 Omron Corp 多車線対応型車両感知器

Also Published As

Publication number Publication date
AU654920B2 (en) 1994-11-24
BR9302954A (pt) 1994-02-22
KR970003696B1 (ko) 1997-03-21
EP0580139A3 (en) 1994-08-17
DE69324309T2 (de) 1999-08-26
IL106386A0 (en) 1993-11-15
AU4213893A (en) 1994-01-27
JPH06258425A (ja) 1994-09-16
NO932649L (no) 1994-01-24
NZ248206A (en) 1995-12-21
US5227803A (en) 1993-07-13
DE69324309D1 (de) 1999-05-12
EP0580139A2 (en) 1994-01-26
MX9304404A (es) 1994-05-31
CA2100723A1 (en) 1994-01-23
CA2100723C (en) 1996-08-06
EP0580139B1 (en) 1999-04-07
NO932649D0 (no) 1993-07-22
TW225587B (ja) 1994-06-21
KR940006066A (ko) 1994-03-23

Similar Documents

Publication Publication Date Title
EP0580139B1 (en) Transponder location and tracking system and method
US5969641A (en) Vehicle identification system for electric toll collection system
EP0715185B1 (en) Transponder detection system and method
US5592181A (en) Vehicle position tracking technique
US5402346A (en) System for the calculation of at least one vehicular traffic check parameter
US6219613B1 (en) Vehicle position determination system and method
US5592180A (en) Direction finding and mobile location system for trunked mobile radio systems
JP3195177B2 (ja) 移動体特定装置
US20150234042A1 (en) Device and method for detecting an axle of a vehicle
AU2011340778A1 (en) Method and devices for determining the distance between a radio beacon and a vehicle device
EP0834748A1 (en) Vehicle position tracking technique
US5790052A (en) Method for determining the position of a vehicle on a road
GB2570816A (en) Communication control device, toll collection system, communication control method, and program
JP4810730B2 (ja) 車載器位置検出装置
KR100211270B1 (ko) 차량 위치 추적 방법 및 시스템
RU2295779C1 (ru) Система опознавания транспортных средств
JP2918853B2 (ja) 乗り物位置トラッキング方法及びシステム
JP3221424B2 (ja) 受信レベル測定方法及び測定装置
JPH10134213A (ja) 自動料金収受システム
JP2001143111A (ja) ノンストップ自動料金収受システムおよび料金所と車両間の情報伝送方法
JPH09159755A (ja) ２次レーダシステム
JP2000259872A (ja) 自動料金収受システム
JP2000132721A (ja) 自動料金収受システム
NZ299477A (en) Vehicle position tracking, uses angle of arrival measurements obtained from antenna arrays that measure signal phase difference

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
RH Patent void