FR890879A - Voltmètre à tube - Google Patents

Voltmètre à tube

Info

Publication number
FR890879A
FR890879A FR890879DA FR890879A FR 890879 A FR890879 A FR 890879A FR 890879D A FR890879D A FR 890879DA FR 890879 A FR890879 A FR 890879A
Authority
FR
France
Prior art keywords
tube voltmeter
voltmeter
tube
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR890879A publication Critical patent/FR890879A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G01R17/16—AC or DC measuring bridges with discharge tubes or semiconductor devices in one or more arms of the bridge, e.g. voltmeter using a difference amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR890879D 1942-02-12 1943-02-11 Voltmètre à tube Expired FR890879A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL890879X 1942-02-12

Publications (1)

Publication Number Publication Date
FR890879A true FR890879A (fr) 1944-02-21

Family

ID=19855882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890879D Expired FR890879A (fr) 1942-02-12 1943-02-11 Voltmètre à tube

Country Status (1)

Country Link
FR (1) FR890879A (fr)

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