FR481454A - Compteur de vitesses - Google Patents

Compteur de vitesses

Info

Publication number
FR481454A
FR481454A FR481454DA FR481454A FR 481454 A FR481454 A FR 481454A FR 481454D A FR481454D A FR 481454DA FR 481454 A FR481454 A FR 481454A
Authority
FR
France
Prior art keywords
speed counter
counter
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
Other languages
English (en)
Inventor
Leon Dufour
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR481454A publication Critical patent/FR481454A/fr
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
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/04—Devices characterised by the use of mechanical means by comparing two speeds
    • G01P3/06—Devices characterised by the use of mechanical means by comparing two speeds using a friction gear

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR481454D 1915-04-06 1916-04-03 Compteur de vitesses Expired FR481454A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH481454X 1915-04-06

Publications (1)

Publication Number Publication Date
FR481454A true FR481454A (fr) 1916-12-08

Family

ID=1518558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481454D Expired FR481454A (fr) 1915-04-06 1916-04-03 Compteur de vitesses

Country Status (1)

Country Link
FR (1) FR481454A (fr)

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