FR942147A - Methods and devices for recording phenomena - Google Patents

Methods and devices for recording phenomena

Info

Publication number
FR942147A
FR942147A FR942147DA FR942147A FR 942147 A FR942147 A FR 942147A FR 942147D A FR942147D A FR 942147DA FR 942147 A FR942147 A FR 942147A
Authority
FR
France
Prior art keywords
methods
devices
phenomena
recording phenomena
recording
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
Ministre De La Defense Nati Le
Roger Fleury
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 FR942147A publication Critical patent/FR942147A/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
    • G01R13/204—Using means for generating permanent registrations, e.g. photographs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR942147D 1947-01-09 1947-01-09 Methods and devices for recording phenomena Expired FR942147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR942147T 1947-01-09

Publications (1)

Publication Number Publication Date
FR942147A true FR942147A (en) 1949-01-31

Family

ID=9470775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942147D Expired FR942147A (en) 1947-01-09 1947-01-09 Methods and devices for recording phenomena

Country Status (1)

Country Link
FR (1) FR942147A (en)

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