FR659992A - Automotive tachometer - Google Patents

Automotive tachometer

Info

Publication number
FR659992A
FR659992A FR659992DA FR659992A FR 659992 A FR659992 A FR 659992A FR 659992D A FR659992D A FR 659992DA FR 659992 A FR659992 A FR 659992A
Authority
FR
France
Prior art keywords
tachometer
automotive
automotive tachometer
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR659992A publication Critical patent/FR659992A/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
    • G01P3/42—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR659992D 1928-09-05 1928-09-05 Automotive tachometer Expired FR659992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR659992T 1928-09-05

Publications (1)

Publication Number Publication Date
FR659992A true FR659992A (en) 1929-07-05

Family

ID=9009997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659992D Expired FR659992A (en) 1928-09-05 1928-09-05 Automotive tachometer

Country Status (1)

Country Link
FR (1) FR659992A (en)

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