FR1262723A - Method and device for measuring the speed of vehicles - Google Patents

Method and device for measuring the speed of vehicles

Info

Publication number
FR1262723A
FR1262723A FR825023A FR825023A FR1262723A FR 1262723 A FR1262723 A FR 1262723A FR 825023 A FR825023 A FR 825023A FR 825023 A FR825023 A FR 825023A FR 1262723 A FR1262723 A FR 1262723A
Authority
FR
France
Prior art keywords
vehicles
measuring
speed
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
FR825023A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR825023A priority Critical patent/FR1262723A/en
Priority to CH473461A priority patent/CH375938A/en
Application granted granted Critical
Publication of FR1262723A publication Critical patent/FR1262723A/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)
FR825023A 1960-04-22 1960-04-22 Method and device for measuring the speed of vehicles Expired FR1262723A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR825023A FR1262723A (en) 1960-04-22 1960-04-22 Method and device for measuring the speed of vehicles
CH473461A CH375938A (en) 1960-04-22 1961-04-21 Device for detecting vehicles whose speed exceeds a determined value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR825023A FR1262723A (en) 1960-04-22 1960-04-22 Method and device for measuring the speed of vehicles

Publications (1)

Publication Number Publication Date
FR1262723A true FR1262723A (en) 1961-06-05

Family

ID=8729830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825023A Expired FR1262723A (en) 1960-04-22 1960-04-22 Method and device for measuring the speed of vehicles

Country Status (2)

Country Link
CH (1) CH375938A (en)
FR (1) FR1262723A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204841A1 (en) * 1972-10-30 1974-05-24 France Etat
EP2560009A1 (en) * 2011-08-16 2013-02-20 Decathlon Estimation method and device for estimating the instantaneous speed of an individual or an object

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204841A1 (en) * 1972-10-30 1974-05-24 France Etat
EP2560009A1 (en) * 2011-08-16 2013-02-20 Decathlon Estimation method and device for estimating the instantaneous speed of an individual or an object
FR2979148A1 (en) * 2011-08-16 2013-02-22 Decathlon Sa DEVICE AND METHOD FOR ESTIMATING THE INSTANT SPEED OF AN INDIVIDUAL OR AN OBJECT

Also Published As

Publication number Publication date
CH375938A (en) 1964-03-15

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