FR987981A - Dispositif de voltmètre à lampes - Google Patents

Dispositif de voltmètre à lampes

Info

Publication number
FR987981A
FR987981A FR987981DA FR987981A FR 987981 A FR987981 A FR 987981A FR 987981D A FR987981D A FR 987981DA FR 987981 A FR987981 A FR 987981A
Authority
FR
France
Prior art keywords
voltmeter device
lamp voltmeter
lamp
voltmeter
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
English (en)
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 FR987981A publication Critical patent/FR987981A/fr
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
    • G01R19/0046—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00
    • G01R19/0076—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00 using thermionic valves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR987981D 1943-06-26 1943-06-26 Dispositif de voltmètre à lampes Expired FR987981A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987981T 1943-06-26

Publications (1)

Publication Number Publication Date
FR987981A true FR987981A (fr) 1951-08-21

Family

ID=9539253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987981D Expired FR987981A (fr) 1943-06-26 1943-06-26 Dispositif de voltmètre à lampes

Country Status (1)

Country Link
FR (1) FR987981A (fr)

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