FR1004779A - Voltmètre amplificateur à échelle logarithmique - Google Patents

Voltmètre amplificateur à échelle logarithmique

Info

Publication number
FR1004779A
FR1004779A FR1004779DA FR1004779A FR 1004779 A FR1004779 A FR 1004779A FR 1004779D A FR1004779D A FR 1004779DA FR 1004779 A FR1004779 A FR 1004779A
Authority
FR
France
Prior art keywords
voltmeter
logarithmic amplifier
logarithmic
amplifier
amplifier 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
Jacques Selz
Alexandre De Leudeville
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.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones SA
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 Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Application granted granted Critical
Publication of FR1004779A publication Critical patent/FR1004779A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
FR1004779D 1947-05-13 1947-05-13 Voltmètre amplificateur à échelle logarithmique Expired FR1004779A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004779T 1947-05-13

Publications (1)

Publication Number Publication Date
FR1004779A true FR1004779A (fr) 1952-04-02

Family

ID=9564168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004779D Expired FR1004779A (fr) 1947-05-13 1947-05-13 Voltmètre amplificateur à échelle logarithmique

Country Status (1)

Country Link
FR (1) FR1004779A (fr)

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