WO2002061447A3 - Apparatus and method for measuring vehicle speed and/or acceleration - Google Patents

Apparatus and method for measuring vehicle speed and/or acceleration Download PDF

Info

Publication number
WO2002061447A3
WO2002061447A3 PCT/US2001/050518 US0150518W WO02061447A3 WO 2002061447 A3 WO2002061447 A3 WO 2002061447A3 US 0150518 W US0150518 W US 0150518W WO 02061447 A3 WO02061447 A3 WO 02061447A3
Authority
WO
WIPO (PCT)
Prior art keywords
acceleration
vehicle
vehicle speed
measuring vehicle
speed
Prior art date
Application number
PCT/US2001/050518
Other languages
French (fr)
Other versions
WO2002061447A2 (en
Inventor
Craig S Rendahl
John Didomenico
Paul F Kyle
George Hovancik
Original Assignee
Spx Corp
Craig S Rendahl
John Didomenico
Paul F Kyle
George Hovancik
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
Priority claimed from US09/846,375 external-priority patent/US6750444B2/en
Priority claimed from US09/846,247 external-priority patent/US6561027B2/en
Priority claimed from US09/985,296 external-priority patent/US6781110B2/en
Application filed by Spx Corp, Craig S Rendahl, John Didomenico, Paul F Kyle, George Hovancik filed Critical Spx Corp
Priority to AU2002246861A priority Critical patent/AU2002246861A1/en
Publication of WO2002061447A2 publication Critical patent/WO2002061447A2/en
Publication of WO2002061447A3 publication Critical patent/WO2002061447A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed

Abstract

An apparatus and method for measuring the speed and/or acceleration of a vehicle traveling on a vehicle path includes at least one radiation emitting device (12) and at least two radiation receiving devices (12). Mirrors (14) and/or beam splitters are used to direct at least one beam across the vehicle path. A controller (22) calculates speed and/or acceleration of the vehicle in response to interruption of the at least one beam by a passing vehicle. The system can also include a mass sensor that detects the mass of the vehicle.
PCT/US2001/050518 2000-12-29 2001-12-28 Apparatus and method for measuring vehicle speed and/or acceleration WO2002061447A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002246861A AU2002246861A1 (en) 2000-12-29 2001-12-28 Apparatus and method for measuring vehicle speed and/or acceleration

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US25856100P 2000-12-29 2000-12-29
US60/258,561 2000-12-29
US09/846,247 2001-05-02
US09/846,375 US6750444B2 (en) 2000-12-29 2001-05-02 Apparatus and method for measuring vehicle speed and/or acceleration
US09/846,247 US6561027B2 (en) 2000-12-29 2001-05-02 Support structure for system for measuring vehicle speed and/or acceleration
US09/846,375 2001-05-02
US09/985,296 2001-11-02
US09/985,296 US6781110B2 (en) 2000-12-29 2001-11-02 Apparatus and method for measuring vehicle speed and/or acceleration

Publications (2)

Publication Number Publication Date
WO2002061447A2 WO2002061447A2 (en) 2002-08-08
WO2002061447A3 true WO2002061447A3 (en) 2003-02-13

Family

ID=27500622

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/050518 WO2002061447A2 (en) 2000-12-29 2001-12-28 Apparatus and method for measuring vehicle speed and/or acceleration

Country Status (2)

Country Link
AU (1) AU2002246861A1 (en)
WO (1) WO2002061447A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104504905A (en) * 2015-01-12 2015-04-08 重庆交通大学 Vehicle track and speed identification method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146639A1 (en) * 2001-09-21 2003-04-10 Sick Ag Light grid with beam splitter
DE102009009386B4 (en) * 2009-02-18 2011-01-27 Leuze Electronic Gmbh & Co Kg Optoelectronic device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343043A (en) * 1993-04-13 1994-08-30 Envirotest Syst. Corp. Remote sensor device for monitoring motor vehicle exhaust systems with high speed sampling
US5812249A (en) * 1996-09-26 1998-09-22 Envirotest Systems Corporation Speed and acceleration monitoring device using visible laser beams
US5910929A (en) * 1998-07-10 1999-06-08 Sonic Systems Corporation Audio railway crossing detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343043A (en) * 1993-04-13 1994-08-30 Envirotest Syst. Corp. Remote sensor device for monitoring motor vehicle exhaust systems with high speed sampling
US5812249A (en) * 1996-09-26 1998-09-22 Envirotest Systems Corporation Speed and acceleration monitoring device using visible laser beams
US5910929A (en) * 1998-07-10 1999-06-08 Sonic Systems Corporation Audio railway crossing detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104504905A (en) * 2015-01-12 2015-04-08 重庆交通大学 Vehicle track and speed identification method
CN104504905B (en) * 2015-01-12 2016-06-08 重庆交通大学 A kind of method that track of vehicle and speed are identified

Also Published As

Publication number Publication date
AU2002246861A1 (en) 2002-08-12
WO2002061447A2 (en) 2002-08-08

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