FR987979A - Lamp voltmeter - Google Patents

Lamp voltmeter

Info

Publication number
FR987979A
FR987979A FR987979DA FR987979A FR 987979 A FR987979 A FR 987979A FR 987979D A FR987979D A FR 987979DA FR 987979 A FR987979 A FR 987979A
Authority
FR
France
Prior art keywords
lamp voltmeter
voltmeter
lamp
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
Roger Boy De La Tour
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 FR987979A publication Critical patent/FR987979A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR987979D 1943-06-26 1943-06-26 Lamp voltmeter Expired FR987979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987979T 1943-06-26

Publications (1)

Publication Number Publication Date
FR987979A true FR987979A (en) 1951-08-21

Family

ID=9539251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987979D Expired FR987979A (en) 1943-06-26 1943-06-26 Lamp voltmeter

Country Status (1)

Country Link
FR (1) FR987979A (en)

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