CA2512689C - Systems and methods for monitoring speed - Google Patents

Systems and methods for monitoring speed Download PDF

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Publication number
CA2512689C
CA2512689C CA2512689A CA2512689A CA2512689C CA 2512689 C CA2512689 C CA 2512689C CA 2512689 A CA2512689 A CA 2512689A CA 2512689 A CA2512689 A CA 2512689A CA 2512689 C CA2512689 C CA 2512689C
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CA
Canada
Prior art keywords
transducer
signals
vehicle
view
field
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
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CA2512689A
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English (en)
French (fr)
Other versions
CA2512689A1 (en
Inventor
David B. Arnold
John B. Dougall
Bradley Curtis Giles
Bryan Robert Jarrett
Thomas William Karlinsey
Jonathan L. Waite
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wavetronix LLC
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Wavetronix LLC
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32713433&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2512689(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wavetronix LLC filed Critical Wavetronix LLC
Publication of CA2512689A1 publication Critical patent/CA2512689A1/en
Application granted granted Critical
Publication of CA2512689C publication Critical patent/CA2512689C/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/588Velocity or trajectory determination systems; Sense-of-movement determination systems deriving the velocity value from the range measurement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/583Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/91Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/92Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/052Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87Combinations of radar systems, e.g. primary radar and secondary radar
CA2512689A 2003-01-10 2004-01-09 Systems and methods for monitoring speed Expired - Lifetime CA2512689C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43910903P 2003-01-10 2003-01-10
US60/439,109 2003-01-10
PCT/US2004/000471 WO2004063682A2 (en) 2003-01-10 2004-01-09 Systems and methods for monitoring speed

Publications (2)

Publication Number Publication Date
CA2512689A1 CA2512689A1 (en) 2004-07-29
CA2512689C true CA2512689C (en) 2012-01-03

Family

ID=32713433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2512689A Expired - Lifetime CA2512689C (en) 2003-01-10 2004-01-09 Systems and methods for monitoring speed

Country Status (6)

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US (1) US7426450B2 (US20040174294A1-20040909-M00013.png)
EP (1) EP1611458B8 (US20040174294A1-20040909-M00013.png)
AT (1) ATE465421T1 (US20040174294A1-20040909-M00013.png)
CA (1) CA2512689C (US20040174294A1-20040909-M00013.png)
DE (1) DE602004026706D1 (US20040174294A1-20040909-M00013.png)
WO (1) WO2004063682A2 (US20040174294A1-20040909-M00013.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9240125B2 (en) 2005-10-31 2016-01-19 Wavetronix Llc Detecting roadway targets across beams
US9412271B2 (en) 2013-01-30 2016-08-09 Wavetronix Llc Traffic flow through an intersection by reducing platoon interference

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6693557B2 (en) 2001-09-27 2004-02-17 Wavetronix Llc Vehicular traffic sensor
US7573400B2 (en) * 2005-10-31 2009-08-11 Wavetronix, Llc Systems and methods for configuring intersection detection zones
US7889097B1 (en) 2005-12-19 2011-02-15 Wavetronix Llc Detecting targets in roadway intersections
US8248272B2 (en) 2005-10-31 2012-08-21 Wavetronix Detecting targets in roadway intersections
US8242476B2 (en) * 2005-12-19 2012-08-14 Leddartech Inc. LED object detection system and method combining complete reflection traces from individual narrow field-of-view channels
US7991542B2 (en) * 2006-03-24 2011-08-02 Wavetronix Llc Monitoring signalized traffic flow
US7414569B2 (en) * 2006-05-10 2008-08-19 Autoliv Asp, Inc. Vehicular radar sensor with distributed antenna
US7990313B2 (en) 2006-07-13 2011-08-02 Siemens Aktiengesellschaft Radar arrangement
US8417442B2 (en) * 2006-09-19 2013-04-09 Intuitive Control Systems, Llc Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations
US7501976B2 (en) * 2006-11-07 2009-03-10 Dan Manor Monopulse traffic sensor and method
US8600656B2 (en) 2007-06-18 2013-12-03 Leddartech Inc. Lighting system with driver assistance capabilities
US8436748B2 (en) 2007-06-18 2013-05-07 Leddartech Inc. Lighting system with traffic management capabilities
EP3206046B1 (en) 2007-12-21 2021-08-25 Leddartech Inc. Detection and ranging methods and systems
WO2009079779A1 (en) 2007-12-21 2009-07-02 Leddartech Inc. Parking management system and method using lighting system
JP2010087598A (ja) * 2008-09-29 2010-04-15 Fujifilm Corp 撮影装置及び撮影制御方法ならびにそのプログラム、画像表示装置及び画像表示方法ならびにそのプログラム、撮影システム及びその制御方法ならびにそのプログラム
KR101202021B1 (ko) * 2008-11-20 2012-11-16 한국전자통신연구원 Rfid를 이용한 차량속도 측정방법, 차량속도 측정 가능한 rfid 판독장치 및 이를 이용한 차량정보 수집 시스템
CH700149A1 (fr) * 2008-12-23 2010-06-30 Dzotec Sa Dispositif radar autonome électriquement.
US8169312B2 (en) * 2009-01-09 2012-05-01 Sirit Inc. Determining speeds of radio frequency tags
DE112009005070B4 (de) * 2009-07-15 2014-05-28 Mitsubishi Electric Corporation Mobil -Empfänger-Gerät
US20110035140A1 (en) * 2009-08-07 2011-02-10 James Candy Vehicle sensing system utilizing smart pavement markers
EP2517189B1 (en) 2009-12-22 2014-03-19 Leddartech Inc. Active 3d monitoring system for traffic detection
US20110224865A1 (en) * 2010-03-11 2011-09-15 Honeywell International Inc. Health monitoring systems and methods with vehicle velocity
TW201133412A (en) * 2010-03-19 2011-10-01 Cct Co Ltd Method of using radar vehicle detector to determine vehicle type, speed, and radar detection zone width
US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
WO2012172526A1 (en) 2011-06-17 2012-12-20 Leddartech Inc. System and method for traffic side detection and characterization
TWI440876B (zh) * 2011-09-06 2014-06-11 Chien Cheng Technology Co Ltd Radar detectors detect the speed of the method
EP2820632B8 (en) 2012-03-02 2017-07-26 Leddartech Inc. System and method for multipurpose traffic detection and characterization
US10521518B2 (en) 2012-12-05 2019-12-31 Deif A/S Emulating power system operations
DK2804013T3 (en) * 2013-05-13 2015-07-06 Kapsch Trafficcom Ag Device for measuring the position of a vehicle or a surface thereof
PL2804014T3 (pl) * 2013-05-13 2015-10-30 Kapsch Trafficcom Ag Urządzenie i sposób określania cechy charakterystycznej pojazdu
US9503706B2 (en) 2013-09-10 2016-11-22 Xerox Corporation Determining source lane of moving item merging into destination lane
DE102013019801B4 (de) * 2013-11-27 2018-01-11 Jenoptik Robot Gmbh Verfahren zur Geschwindigkeitsmessung eines sich auf einer Straße bewegenden Kraftfahrzeuges
PT3117235T (pt) 2014-03-21 2021-03-10 Houston Radar Llc Sistemas de feixe de radar duplo robusto e métodos para monitorização de tráfego
WO2016018936A1 (en) 2014-07-28 2016-02-04 Econolite Group, Inc. Self-configuring traffic signal controller
JP6938371B2 (ja) 2014-09-09 2021-09-22 レッダーテック インコーポレイテッド 検出ゾーンの離散化
WO2016037253A1 (pt) * 2014-09-09 2016-03-17 Ganzert Matheus Ricardo Gonçalves Sensor e sistema de identificação e indicação de informações relativas a estacionamentos de veículos
US9574387B2 (en) 2014-11-21 2017-02-21 The Chamberlain Group, Inc. Alignment of obstacle detection components
JP6592423B2 (ja) * 2016-11-25 2019-10-16 株式会社デンソー 車両制御装置
US10641885B2 (en) * 2017-07-21 2020-05-05 Honeywell International Inc. Systems and methods for measuring velocity and acceleration with a radar altimeter
US11372097B2 (en) * 2018-10-09 2022-06-28 Metawave Corporation Method and apparatus for phase unwrapping radar detections using optical flow
KR20200067629A (ko) 2018-12-04 2020-06-12 삼성전자주식회사 레이더 데이터를 처리하는 장치 및 방법
NL2022154B1 (en) * 2018-12-07 2020-07-02 Equitec Holding B V A traffic sensor box arranged to be mounted to a street light pole placed next to a road, wherein said traffic sensor box is arranged to detect traffic on said road, as well as a vehicle tracking system and a related method.
JP7379021B2 (ja) * 2019-08-29 2023-11-14 株式会社東芝 距離計測装置、距離計測方法、及び速度計測装置
US20230028930A1 (en) * 2021-07-15 2023-01-26 Hisep Technology Ltd. System and method for computing a distance-based relative direction

Family Cites Families (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US688474A (en) * 1901-10-24 1901-12-10 Henry W Lupton Driving-gear for motor-vehicles.
GB1443701A (en) 1972-07-17 1976-07-21 Peak Technologies Ltd Traffic signal systems
US3819919A (en) * 1972-12-08 1974-06-25 Gunigle R Mc Tracking system for time-displaced signals
JPS5474700A (en) * 1977-11-26 1979-06-14 Agency Of Ind Science & Technol Collection and delivery system for traffic information by photo electric conversion element group
US4244026A (en) * 1978-11-06 1981-01-06 General Electric Company Velocity measuring correlation sonar
US4317117A (en) * 1979-07-20 1982-02-23 Chasek Norman E Cross correlated doppler radar/infra red velocity and presence sensor
US4430636A (en) * 1981-06-29 1984-02-07 Bruce Robert L Loop detector for traffic signal control
US6396437B1 (en) * 1984-03-12 2002-05-28 Bae Systems Aerospace Inc. Radar multibeam velocity sensor
US4659982A (en) * 1984-06-21 1987-04-21 Centre National De La Recherches Scientifique Microwave apparatus and method of operation to determine position and/or speed of a movable body or discontinuity or change in a material
IL74887A (en) * 1985-04-14 1989-06-30 Dan Manor Radar warning receiver
DE3712314A1 (de) * 1987-04-11 1988-10-20 Robot Foto Electr Kg Verkehrsueberwachungsvorrichtung
US4908615A (en) * 1987-06-26 1990-03-13 Texas Instruments Incorporated Traffic light control system and method
JPH01173818A (ja) * 1987-12-28 1989-07-10 Aisin Aw Co Ltd 車両用ナビゲーション装置
IL86202A (en) * 1988-04-27 1992-01-15 Driver Safety Systems Ltd Traffic safety monitoring apparatus
JP2995813B2 (ja) 1990-07-26 1999-12-27 オムロン株式会社 交通流速度計測方法
US5161107A (en) * 1990-10-25 1992-11-03 Mestech Creation Corporation Traffic surveillance system
GB9106110D0 (en) * 1991-03-22 1991-05-08 Philips Electronic Associated Doppler radar speed sensor
GB9107476D0 (en) * 1991-04-09 1991-05-22 Peek Traffic Ltd Improvements in vehicle detection systems
DE4223119A1 (de) 1991-11-28 1993-06-03 Telefunken Systemtechnik Verfahren zur messung der geschwindigkeit bewegter objekte und anordnung zum ausfuehren des verfahrens
ATE156287T1 (de) * 1992-04-02 1997-08-15 Horizont Holding Gmbh Verfahren und anlage zur verkehrsregulierung
FR2695742B1 (fr) * 1992-09-15 1994-10-21 Thomson Csf Système de calcul d'au moins un paramètre de contrôle de trafic de véhicules.
US5448484A (en) * 1992-11-03 1995-09-05 Bullock; Darcy M. Neural network-based vehicle detection system and method
JP3049974B2 (ja) 1992-11-18 2000-06-05 オムロン株式会社 交通量計測装置及び交通量計測方法
KR960700533A (ko) * 1992-12-01 1996-01-20 스티븐 에이취 앤드레이드 고온 초전도 및 강유전막을 통합한 동조식 마이크로파 기구(TUNABLE MICROWAVE DEVICES INCORPORATING HIFH RWMPWEruew SUPERCONDUCTING AND FERROELECTRIC FILMS)
JP3232724B2 (ja) * 1992-12-08 2001-11-26 株式会社デンソー 車間距離制御装置
US5555036A (en) * 1992-12-17 1996-09-10 Trw Inc. Passive millimeter wave traffic sensor
US5793491A (en) * 1992-12-30 1998-08-11 Schwartz Electro-Optics, Inc. Intelligent vehicle highway system multi-lane sensor and method
FR2718249B1 (fr) * 1994-04-05 1996-04-26 Thomson Csf Procédé et dispositif radar de mesure de distance.
FR2718874B1 (fr) * 1994-04-15 1996-05-15 Thomson Csf Procédé de surveillance de trafic pour la détection automatique d'incident de véhicules.
JP3357749B2 (ja) * 1994-07-12 2002-12-16 本田技研工業株式会社 車両の走行路画像処理装置
US5748153A (en) * 1994-11-08 1998-05-05 Northrop Grumman Corporation Flared conductor-backed coplanar waveguide traveling wave antenna
US6539336B1 (en) * 1996-12-12 2003-03-25 Phatrat Technologies, Inc. Sport monitoring system for determining airtime, speed, power absorbed and other factors such as drop distance
GB9425096D0 (en) 1994-12-13 1995-02-08 Lucas Ind Plc Apparatus and method for cruise control
US5621645A (en) * 1995-01-24 1997-04-15 Minnesota Mining And Manufacturing Company Automated lane definition for machine vision traffic detector
JPH08204443A (ja) * 1995-01-27 1996-08-09 Nippon Mektron Ltd 受信用コプレーナ線路給電アクティブアンテナ
JP2907048B2 (ja) * 1995-02-17 1999-06-21 株式会社デンソー 移動体通信用路上機、移動体通信用移動体搭載機および移動体通信システム
JP3470453B2 (ja) * 1995-04-06 2003-11-25 株式会社デンソー 車間距離制御装置
US5663720A (en) * 1995-06-02 1997-09-02 Weissman; Isaac Method and system for regional traffic monitoring
US5572450A (en) * 1995-06-06 1996-11-05 Worthy; David G. RF car counting system and method therefor
JP3627389B2 (ja) * 1995-09-28 2005-03-09 株式会社デンソー レーダ装置
DE19549003C1 (de) * 1995-12-28 1997-02-13 Motzko Friedrich Dipl Ing Fh Verfahren zur Geschwindigkeitsmessung
ES2195127T3 (es) * 1996-04-01 2003-12-01 Gatsometer Bv Metodo y aparato para determinar la velocidad y la situacion de un vehiculo.
US5878367A (en) * 1996-06-28 1999-03-02 Northrop Grumman Corporation Passive acoustic traffic monitoring system
IT1286684B1 (it) * 1996-07-26 1998-07-15 Paolo Sodi Dispositivo e metodo per il rilevamento di infrazioni stradali con sistemi di puntamento dinamico
US5821879A (en) * 1996-08-05 1998-10-13 Pacific Sierra Research Corp. Vehicle axle detector for roadways
DE19637053C2 (de) * 1996-09-12 2000-03-09 Bosch Gmbh Robert Verfahren und Vorrichtung zur automatischen Erkennung von Rechts- oder Linksverkehr
US6011515A (en) * 1996-10-08 2000-01-04 The Johns Hopkins University System for measuring average speed and traffic volume on a roadway
US5995900A (en) * 1997-01-24 1999-11-30 Grumman Corporation Infrared traffic sensor with feature curve generation
JPH10232281A (ja) * 1997-02-20 1998-09-02 Matsushita Electric Ind Co Ltd Fmcwレーダ装置
DE19711467C2 (de) * 1997-03-20 2000-12-07 Mannesmann Vdo Ag Verfahren zur Bestimmung des senkrechten Abstandes zwischen einem Objekt und einer sich örtlich verändernden Einrichtung
US5798983A (en) * 1997-05-22 1998-08-25 Kuhn; John Patrick Acoustic sensor system for vehicle detection and multi-lane highway monitoring
DE19734713A1 (de) 1997-08-11 1999-02-18 Mikrowellen Technologie Und Se Radar-Entfernungsmeßeinrichtung
US5949383A (en) * 1997-10-20 1999-09-07 Ericsson Inc. Compact antenna structures including baluns
US6195019B1 (en) * 1998-01-20 2001-02-27 Denso Corporation Vehicle classifying apparatus and a toll system
CA2240916C (en) * 1998-05-15 2010-04-06 International Road Dynamics Inc. Truck traffic monitoring and warning systems and vehicle ramp advisory system
US6198437B1 (en) * 1998-07-09 2001-03-06 The United States Of America As Represented By The Secretary Of The Air Force Broadband patch/slot antenna
US6081226A (en) * 1998-07-10 2000-06-27 Northrop Grumman Corporation Multi-mode radar exciter
US6177885B1 (en) * 1998-11-03 2001-01-23 Esco Electronics, Inc. System and method for detecting traffic anomalies
DE19904303A1 (de) 1999-01-28 2000-08-24 Bosch Gmbh Robert Gehäuse für ein elektronisches Gerät in der Mikrowellentechnik
US6253162B1 (en) * 1999-04-07 2001-06-26 Battelle Memorial Institute Method of identifying features in indexed data
DE19919925C2 (de) * 1999-04-30 2001-06-13 Siemens Ag Anordnung und Verfahren zur gleichzeitigen Messung der Geschwindigkeit sowie der Oberflächengestalt von bewegten Objekten
JP2000339589A (ja) * 1999-05-25 2000-12-08 Fujitsu Ltd 車両の交通安全補助システムおよび記録媒体
WO2001067930A2 (en) 2000-03-10 2001-09-20 Nielsen & Bainbridge Llc Quick framing system
US6750787B2 (en) * 2000-03-17 2004-06-15 Herbert A. Hutchinson Optronic system for the measurement of vehicle traffic
DE10022812A1 (de) * 2000-05-10 2001-11-22 Daimler Chrysler Ag Verfahren zur Verkehrslagebestimmung auf Basis von Meldefahrzeugdaten für ein Verkehrsnetz mit verkehrsgeregelten Netzknoten
FR2812402B1 (fr) 2000-07-27 2005-08-19 Solutronic Procede et dispositif de detection par voie acoustique d'un mobile sonore
EP1870730A3 (en) * 2000-08-16 2011-07-20 Valeo Radar Systems, Inc. Automotive radar systems and techniques
US6577269B2 (en) * 2000-08-16 2003-06-10 Raytheon Company Radar detection method and apparatus
US6614358B1 (en) 2000-08-29 2003-09-02 Power Signal Technologies, Inc. Solid state light with controlled light output
JP3487346B2 (ja) * 2001-03-30 2004-01-19 独立行政法人通信総合研究所 道路交通監視システム
US6556916B2 (en) * 2001-09-27 2003-04-29 Wavetronix Llc System and method for identification of traffic lane positions
US6693557B2 (en) * 2001-09-27 2004-02-17 Wavetronix Llc Vehicular traffic sensor
AU2003232898A1 (en) * 2002-03-08 2003-09-22 Inductive Signature Technologies, Inc. Normalization of inductive vehicle detector outputs
JP4238766B2 (ja) 2004-04-15 2009-03-18 株式会社デンソー 環状交差点の車両情報システム
US7616293B2 (en) 2004-04-29 2009-11-10 Sigma Space Corporation System and method for traffic monitoring, speed determination, and traffic light violation detection and recording

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9240125B2 (en) 2005-10-31 2016-01-19 Wavetronix Llc Detecting roadway targets across beams
US9601014B2 (en) 2005-10-31 2017-03-21 Wavetronic Llc Detecting roadway targets across radar beams by creating a filtered comprehensive image
US9412271B2 (en) 2013-01-30 2016-08-09 Wavetronix Llc Traffic flow through an intersection by reducing platoon interference

Also Published As

Publication number Publication date
EP1611458A2 (en) 2006-01-04
ATE465421T1 (de) 2010-05-15
US20040174294A1 (en) 2004-09-09
EP1611458A4 (en) 2006-11-29
WO2004063682A3 (en) 2005-10-27
EP1611458B1 (en) 2010-04-21
CA2512689A1 (en) 2004-07-29
EP1611458B8 (en) 2010-05-26
US7426450B2 (en) 2008-09-16
DE602004026706D1 (de) 2010-06-02
WO2004063682A2 (en) 2004-07-29

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