CH351127A - Method and apparatus for measuring the speed of passing vehicles - Google Patents

Method and apparatus for measuring the speed of passing vehicles

Info

Publication number
CH351127A
CH351127A CH351127DA CH351127A CH 351127 A CH351127 A CH 351127A CH 351127D A CH351127D A CH 351127DA CH 351127 A CH351127 A CH 351127A
Authority
CH
Switzerland
Prior art keywords
measuring
speed
passing vehicles
vehicles
passing
Prior art date
Application number
Other languages
German (de)
Inventor
Demieville Henri
Original Assignee
Westinghouse Bremsen Und Signa
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 Signa filed Critical Westinghouse Bremsen Und Signa
Publication of CH351127A publication Critical patent/CH351127A/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
    • 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)
CH351127D 1957-02-26 1957-02-26 Method and apparatus for measuring the speed of passing vehicles CH351127A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH351127A true CH351127A (en) 1960-12-31

Family

ID=4562100

Family Applications (1)

Application Number Title Priority Date Filing Date
CH351127D CH351127A (en) 1957-02-26 1957-02-26 Method and apparatus for measuring the speed of passing vehicles

Country Status (2)

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

Cited By (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

Families Citing this family (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
FR2566913B1 (en) * 1984-06-29 1987-06-19 Arnoux Pierre METHOD AND DEVICE FOR MOBILE DETECTION AND SPEED MEASUREMENT
GB2223588B (en) * 1988-09-09 1992-01-29 Westinghouse Brake & Signal Wheel diameter calibration for a railway vehicle

Cited By (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

Also Published As

Publication number Publication date
FR1188816A (en) 1959-09-25

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