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FR1118195A - Differential tachometer - Google Patents

Differential tachometer

Info

Publication number
FR1118195A
FR1118195A FR1118195DA FR1118195A FR 1118195 A FR1118195 A FR 1118195A FR 1118195D A FR1118195D A FR 1118195DA FR 1118195 A FR1118195 A FR 1118195A
Authority
FR
France
Prior art keywords
tachometer
differential
differential 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)
Inventor
Marcel Clicques
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 FR1118195A publication Critical patent/FR1118195A/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
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1118195D 1955-01-24 1955-01-24 Differential tachometer Expired FR1118195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1118195T 1955-01-24

Publications (1)

Publication Number Publication Date
FR1118195A true FR1118195A (en) 1956-06-01

Family

ID=9630369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1118195D Expired FR1118195A (en) 1955-01-24 1955-01-24 Differential tachometer

Country Status (1)

Country Link
FR (1) FR1118195A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029575B (en) * 1957-03-20 1958-05-08 Philips Patentverwaltung Skin pass measuring device
DE1211715B (en) * 1958-05-06 1966-03-03 A E I Lamp & Lighting Co Ltd Low pressure sodium vapor discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029575B (en) * 1957-03-20 1958-05-08 Philips Patentverwaltung Skin pass measuring device
DE1211715B (en) * 1958-05-06 1966-03-03 A E I Lamp & Lighting Co Ltd Low pressure sodium vapor discharge lamp

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