FR1188816A - Device for measuring the speed of a vehicle passing in front of this device - Google Patents

Device for measuring the speed of a vehicle passing in front of this device

Info

Publication number
FR1188816A
FR1188816A FR1188816DA FR1188816A FR 1188816 A FR1188816 A FR 1188816A FR 1188816D A FR1188816D A FR 1188816DA FR 1188816 A FR1188816 A FR 1188816A
Authority
FR
France
Prior art keywords
measuring
speed
vehicle passing
passing
vehicle
Prior art date
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
Application number
Other languages
French (fr)
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.)
Westinghouse Bremsen und Signale AG
Original Assignee
Westinghouse Bremsen und Signale AG
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 Westinghouse Bremsen und Signale AG filed Critical Westinghouse Bremsen und Signale AG
Application granted granted Critical
Publication of FR1188816A publication Critical patent/FR1188816A/en
Expired legal-status Critical Current

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
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1188816D 1957-02-26 1957-12-19 Device for measuring the speed of a vehicle passing in front of this device Expired FR1188816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1188816X 1957-02-26

Publications (1)

Publication Number Publication Date
FR1188816A true FR1188816A (en) 1959-09-25

Family

ID=4562100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1188816D Expired FR1188816A (en) 1957-02-26 1957-12-19 Device for measuring the speed of a vehicle passing in front of this device

Country Status (2)

Country Link
CH (1) CH351127A (en)
FR (1) FR1188816A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492570A (en) * 1967-09-19 1970-01-27 Winslow Tele Tronics Inc Speed measuring system for moving vehicles employing a digital time measuring device with a nonlinear count rate
US3524354A (en) * 1967-12-19 1970-08-18 Boeing Co Tracking system for moving objects
FR2566913A1 (en) * 1984-06-29 1986-01-03 Arnoux Pierre Method and device for detecting moving objects and measuring speed.
EP0364088A2 (en) * 1988-09-09 1990-04-18 Westinghouse Brake And Signal Holdings Limited Wheel diameter calibration for a railway vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1773618B1 (en) * 1968-06-12 1972-03-09 Eltro Gmbh ELECTRO-OPTICAL DEVICE FOR DETERMINING THE SPEED OF AN OBJECT

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492570A (en) * 1967-09-19 1970-01-27 Winslow Tele Tronics Inc Speed measuring system for moving vehicles employing a digital time measuring device with a nonlinear count rate
US3524354A (en) * 1967-12-19 1970-08-18 Boeing Co Tracking system for moving objects
FR2566913A1 (en) * 1984-06-29 1986-01-03 Arnoux Pierre Method and device for detecting moving objects and measuring speed.
EP0364088A2 (en) * 1988-09-09 1990-04-18 Westinghouse Brake And Signal Holdings Limited Wheel diameter calibration for a railway vehicle
EP0364088A3 (en) * 1988-09-09 1990-10-31 Westinghouse Brake And Signal Holdings Limited Wheel diameter calibration for a railway vehicle

Also Published As

Publication number Publication date
CH351127A (en) 1960-12-31

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