FR974902A - New process for producing an electro-motive force linked to a machine shaft in frequency and / or in phase - Google Patents

New process for producing an electro-motive force linked to a machine shaft in frequency and / or in phase

Info

Publication number
FR974902A
FR974902A FR974902DA FR974902A FR 974902 A FR974902 A FR 974902A FR 974902D A FR974902D A FR 974902DA FR 974902 A FR974902 A FR 974902A
Authority
FR
France
Prior art keywords
electro
producing
frequency
phase
new process
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)
Inventor
Joseph-Alexandre Flam
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 filed Critical
Application granted granted Critical
Publication of FR974902A publication Critical patent/FR974902A/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
    • G01P3/48—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)
FR974902D 1948-11-15 1948-11-15 New process for producing an electro-motive force linked to a machine shaft in frequency and / or in phase Expired FR974902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR974902T 1948-11-15

Publications (1)

Publication Number Publication Date
FR974902A true FR974902A (en) 1951-02-27

Family

ID=9517736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974902D Expired FR974902A (en) 1948-11-15 1948-11-15 New process for producing an electro-motive force linked to a machine shaft in frequency and / or in phase

Country Status (1)

Country Link
FR (1) FR974902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343254A1 (en) * 1976-03-05 1977-09-30 Ass Eng Ltd ROTATION SPEED TRANSDUCER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343254A1 (en) * 1976-03-05 1977-09-30 Ass Eng Ltd ROTATION SPEED TRANSDUCER

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