BE814596A - Appareil de mesure de coefficients d'isolement acoustique - Google Patents

Appareil de mesure de coefficients d'isolement acoustique

Info

Publication number
BE814596A
BE814596A BE143962A BE143962A BE814596A BE 814596 A BE814596 A BE 814596A BE 143962 A BE143962 A BE 143962A BE 143962 A BE143962 A BE 143962A BE 814596 A BE814596 A BE 814596A
Authority
BE
Belgium
Prior art keywords
measuring device
acoustic insulation
insulation coefficients
coefficients measuring
acoustic
Prior art date
Application number
BE143962A
Other languages
English (en)
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
Publication of BE814596A publication Critical patent/BE814596A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • 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
    • 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)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BE143962A 1972-11-28 1974-05-06 Appareil de mesure de coefficients d'isolement acoustique BE814596A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7242264A FR2208535A5 (fr) 1972-11-28 1972-11-28

Publications (1)

Publication Number Publication Date
BE814596A true BE814596A (fr) 1974-09-02

Family

ID=9107851

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143962A BE814596A (fr) 1972-11-28 1974-05-06 Appareil de mesure de coefficients d'isolement acoustique

Country Status (4)

Country Link
BE (1) BE814596A (fr)
DE (1) DE2358034A1 (fr)
FR (1) FR2208535A5 (fr)
GB (1) GB1423756A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671219B1 (fr) * 1991-01-02 1993-03-05 Poulain Rene Appareil de mesure visuelle du rendement sonore vocal.

Also Published As

Publication number Publication date
FR2208535A5 (fr) 1974-06-21
GB1423756A (en) 1976-02-04
DE2358034A1 (de) 1974-06-12

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