FR670822A - Perfectionnement aux compteurs de vitesse - Google Patents

Perfectionnement aux compteurs de vitesse

Info

Publication number
FR670822A
FR670822A FR670822DA FR670822A FR 670822 A FR670822 A FR 670822A FR 670822D A FR670822D A FR 670822DA FR 670822 A FR670822 A FR 670822A
Authority
FR
France
Prior art keywords
speedometers
improvement
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)
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.)
Delco Electronics LLC
Original Assignee
AC Spark Plug Co
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 AC Spark Plug Co filed Critical AC Spark Plug Co
Application granted granted Critical
Publication of FR670822A publication Critical patent/FR670822A/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
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
    • G01P3/4953—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field with a counter for the covered distance incorporated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR670822D 1928-11-23 1929-03-04 Perfectionnement aux compteurs de vitesse Expired FR670822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US670822XA 1928-11-23 1928-11-23

Publications (1)

Publication Number Publication Date
FR670822A true FR670822A (fr) 1929-12-05

Family

ID=22073591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR670822D Expired FR670822A (fr) 1928-11-23 1929-03-04 Perfectionnement aux compteurs de vitesse

Country Status (1)

Country Link
FR (1) FR670822A (fr)

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