FR1183059A - Direct reading precision electronic tachometer - Google Patents

Direct reading precision electronic tachometer

Info

Publication number
FR1183059A
FR1183059A FR1183059DA FR1183059A FR 1183059 A FR1183059 A FR 1183059A FR 1183059D A FR1183059D A FR 1183059DA FR 1183059 A FR1183059 A FR 1183059A
Authority
FR
France
Prior art keywords
direct reading
precision electronic
reading precision
electronic tachometer
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.)
Rochar Electronique SA
Original Assignee
Rochar Electronique 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 Rochar Electronique SA filed Critical Rochar Electronique SA
Application granted granted Critical
Publication of FR1183059A publication Critical patent/FR1183059A/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
    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1183059D 1957-07-16 1957-07-16 Direct reading precision electronic tachometer Expired FR1183059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1183059T 1957-07-16

Publications (1)

Publication Number Publication Date
FR1183059A true FR1183059A (en) 1959-07-02

Family

ID=9662804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1183059D Expired FR1183059A (en) 1957-07-16 1957-07-16 Direct reading precision electronic tachometer

Country Status (1)

Country Link
FR (1) FR1183059A (en)

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