FR796189A - Measuring and recording instrument, especially for sound intensities - Google Patents

Measuring and recording instrument, especially for sound intensities

Info

Publication number
FR796189A
FR796189A FR796189DA FR796189A FR 796189 A FR796189 A FR 796189A FR 796189D A FR796189D A FR 796189DA FR 796189 A FR796189 A FR 796189A
Authority
FR
France
Prior art keywords
measuring
recording instrument
sound intensities
intensities
sound
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
French (fr)
Inventor
Georg Neumann
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 FR796189A publication Critical patent/FR796189A/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)
FR796189D 1934-10-05 1935-10-04 Measuring and recording instrument, especially for sound intensities Expired FR796189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE796189X 1934-10-05

Publications (1)

Publication Number Publication Date
FR796189A true FR796189A (en) 1936-03-31

Family

ID=6710892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796189D Expired FR796189A (en) 1934-10-05 1935-10-04 Measuring and recording instrument, especially for sound intensities

Country Status (1)

Country Link
FR (1) FR796189A (en)

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