FR863789A - Improvements to electric chronographs - Google Patents

Improvements to electric chronographs

Info

Publication number
FR863789A
FR863789A FR863789DA FR863789A FR 863789 A FR863789 A FR 863789A FR 863789D A FR863789D A FR 863789DA FR 863789 A FR863789 A FR 863789A
Authority
FR
France
Prior art keywords
chronographs
electric
electric chronographs
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR863789A publication Critical patent/FR863789A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/208—Arrangements for measuring with C.R. oscilloscopes, e.g. vectorscope
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
    • G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
    • G04F13/023—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means using cathode-ray oscilloscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR863789D 1939-10-03 1939-10-03 Improvements to electric chronographs Expired FR863789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863789T 1939-10-03

Publications (1)

Publication Number Publication Date
FR863789A true FR863789A (en) 1941-04-09

Family

ID=9343403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863789D Expired FR863789A (en) 1939-10-03 1939-10-03 Improvements to electric chronographs

Country Status (1)

Country Link
FR (1) FR863789A (en)

Similar Documents

Publication Publication Date Title
FR867464A (en) Improvements to circuit breakers
FR862634A (en) Improvements to electrical switches
FR855779A (en) Improvements to skis
FR867565A (en) Improvements made to electrical switches
FR863388A (en) Improvements to electrical switches
FR857312A (en) Improvements to electric accumulators
FR863789A (en) Improvements to electric chronographs
FR833874A (en) Improvements to electric watches
FR863774A (en) Improvements to constructions
FR862834A (en) Improvements to electric coils
FR866342A (en) Improvements made to electrical switches
FR867546A (en) Improvements to thermal switches
FR865185A (en) Improvements to circuit breakers
FR939415A (en) Improvements to electric selectors
FR854816A (en) Improvements to mechanical razors
FR850429A (en) Improvements to gasifiers
FR908353A (en) Improvements to electric phonographs
FR857329A (en) Improvements to starters
FR869953A (en) Improvements to dynamometers
FR866314A (en) Improvements to dynamometers
FR856793A (en) Improvements to electrical transformers
FR868096A (en) Improvements to electric capacitors
FR857545A (en) Improvements to electric capacitors
FR867911A (en) Improvements to thermal switches
FR848845A (en) Improvements to circuit breakers