FR523996A - Improvements relating to stroboscopic devices - Google Patents

Improvements relating to stroboscopic devices

Info

Publication number
FR523996A
FR523996A FR523996A FR523996DA FR523996A FR 523996 A FR523996 A FR 523996A FR 523996 A FR523996 A FR 523996A FR 523996D A FR523996D A FR 523996DA FR 523996 A FR523996 A FR 523996A
Authority
FR
France
Prior art keywords
improvements relating
stroboscopic devices
stroboscopic
devices
relating
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
FR523996A
Other languages
French (fr)
Inventor
Arthur John Hawes Elverson
Harold Howel Meredith Thomas
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.)
HAROLD HOWEL MEREDITH THOMAS
Original Assignee
HAROLD HOWEL MEREDITH THOMAS
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 HAROLD HOWEL MEREDITH THOMAS filed Critical HAROLD HOWEL MEREDITH THOMAS
Application granted granted Critical
Publication of FR523996A publication Critical patent/FR523996A/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
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G01P3/40—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light using stroboscopic means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR523996A 1919-12-22 1920-09-10 Improvements relating to stroboscopic devices Expired FR523996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB523996X 1919-12-22

Publications (1)

Publication Number Publication Date
FR523996A true FR523996A (en) 1921-08-27

Family

ID=10463772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523996A Expired FR523996A (en) 1919-12-22 1920-09-10 Improvements relating to stroboscopic devices

Country Status (1)

Country Link
FR (1) FR523996A (en)

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