FR997989A - Polar recorder for cathode ray oscillographs - Google Patents

Polar recorder for cathode ray oscillographs

Info

Publication number
FR997989A
FR997989A FR997989DA FR997989A FR 997989 A FR997989 A FR 997989A FR 997989D A FR997989D A FR 997989DA FR 997989 A FR997989 A FR 997989A
Authority
FR
France
Prior art keywords
recorder
polar
cathode ray
ray oscillographs
oscillographs
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
A Calaora
R Levavasseur
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Application granted granted Critical
Publication of FR997989A publication Critical patent/FR997989A/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
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR997989D 1949-01-21 1949-01-21 Polar recorder for cathode ray oscillographs Expired FR997989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997989T 1949-01-21

Publications (1)

Publication Number Publication Date
FR997989A true FR997989A (en) 1952-01-14

Family

ID=9559073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997989D Expired FR997989A (en) 1949-01-21 1949-01-21 Polar recorder for cathode ray oscillographs

Country Status (1)

Country Link
FR (1) FR997989A (en)

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