FR814020A - Dispositif optique totalisatuer - Google Patents

Dispositif optique totalisatuer

Info

Publication number
FR814020A
FR814020A FR814020DA FR814020A FR 814020 A FR814020 A FR 814020A FR 814020D A FR814020D A FR 814020DA FR 814020 A FR814020 A FR 814020A
Authority
FR
France
Prior art keywords
totalizing
optical device
optical
device totalizing
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.)
Lepaute Henry S Ets
Original Assignee
Lepaute Henry S Ets
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 Lepaute Henry S Ets filed Critical Lepaute Henry S Ets
Application granted granted Critical
Publication of FR814020A publication Critical patent/FR814020A/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
    • G01P3/48—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)
FR814020D 1936-02-19 1936-02-19 Dispositif optique totalisatuer Expired FR814020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814020T 1936-02-19

Publications (1)

Publication Number Publication Date
FR814020A true FR814020A (fr) 1937-06-14

Family

ID=9266498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814020D Expired FR814020A (fr) 1936-02-19 1936-02-19 Dispositif optique totalisatuer

Country Status (1)

Country Link
FR (1) FR814020A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230827A (en) * 1958-04-07 1966-01-25 Frederic W Olmstead Light flux interrupting system for measuring displacements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230827A (en) * 1958-04-07 1966-01-25 Frederic W Olmstead Light flux interrupting system for measuring displacements

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