FR1240586A - Devices for measuring or checking electrical apparatus, such as sound volume indicator - Google Patents

Devices for measuring or checking electrical apparatus, such as sound volume indicator

Info

Publication number
FR1240586A
FR1240586A FR801278A FR801278A FR1240586A FR 1240586 A FR1240586 A FR 1240586A FR 801278 A FR801278 A FR 801278A FR 801278 A FR801278 A FR 801278A FR 1240586 A FR1240586 A FR 1240586A
Authority
FR
France
Prior art keywords
measuring
devices
electrical apparatus
sound volume
volume indicator
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
FR801278A
Other languages
French (fr)
Inventor
Henri Aubert
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
Priority to FR801278A priority Critical patent/FR1240586A/en
Application granted granted Critical
Publication of FR1240586A publication Critical patent/FR1240586A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR801278A 1959-07-28 1959-07-28 Devices for measuring or checking electrical apparatus, such as sound volume indicator Expired FR1240586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR801278A FR1240586A (en) 1959-07-28 1959-07-28 Devices for measuring or checking electrical apparatus, such as sound volume indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR801278A FR1240586A (en) 1959-07-28 1959-07-28 Devices for measuring or checking electrical apparatus, such as sound volume indicator

Publications (1)

Publication Number Publication Date
FR1240586A true FR1240586A (en) 1960-09-09

Family

ID=8717632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR801278A Expired FR1240586A (en) 1959-07-28 1959-07-28 Devices for measuring or checking electrical apparatus, such as sound volume indicator

Country Status (1)

Country Link
FR (1) FR1240586A (en)

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