FR983409A - Voltmètre électronique - Google Patents

Voltmètre électronique

Info

Publication number
FR983409A
FR983409A FR983409DA FR983409A FR 983409 A FR983409 A FR 983409A FR 983409D A FR983409D A FR 983409DA FR 983409 A FR983409 A FR 983409A
Authority
FR
France
Prior art keywords
electronic voltmeter
voltmeter
electronic
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
Maurice Fouquart
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 FR983409A publication Critical patent/FR983409A/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
    • G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR983409D 1943-08-13 1943-08-13 Voltmètre électronique Expired FR983409A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983409T 1943-08-13

Publications (1)

Publication Number Publication Date
FR983409A true FR983409A (fr) 1951-06-22

Family

ID=9536009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983409D Expired FR983409A (fr) 1943-08-13 1943-08-13 Voltmètre électronique

Country Status (1)

Country Link
FR (1) FR983409A (fr)

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