FR1443687A - Method and device for examining soundproofing materials - Google Patents

Method and device for examining soundproofing materials

Info

Publication number
FR1443687A
FR1443687A FR8384A FR8384A FR1443687A FR 1443687 A FR1443687 A FR 1443687A FR 8384 A FR8384 A FR 8384A FR 8384 A FR8384 A FR 8384A FR 1443687 A FR1443687 A FR 1443687A
Authority
FR
France
Prior art keywords
examining
soundproofing materials
soundproofing
materials
examining soundproofing
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
FR8384A
Other languages
French (fr)
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.)
Matec Holding AG
Original Assignee
Matec Holding AG
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 granted granted Critical
Publication of FR1443687A publication Critical patent/FR1443687A/en
Application filed by Matec Holding AG filed Critical Matec Holding AG
Priority to FR8384A priority Critical patent/FR1443687A/en
Priority to DE1968H0061498 priority patent/DE1982641U/en
Expired legal-status Critical Current

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
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • 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
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/045—External reflections, e.g. on reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Tents Or Canopies (AREA)
  • Building Awnings And Sunshades (AREA)
FR8384A 1967-02-28 1967-02-28 Method and device for examining soundproofing materials Expired FR1443687A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8384A FR1443687A (en) 1967-02-28 1967-02-28 Method and device for examining soundproofing materials
DE1968H0061498 DE1982641U (en) 1967-02-28 1968-01-20 FOLDABLE ARM FOR AWNING BRACKET.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8384A FR1443687A (en) 1967-02-28 1967-02-28 Method and device for examining soundproofing materials

Publications (1)

Publication Number Publication Date
FR1443687A true FR1443687A (en) 1966-06-24

Family

ID=8573213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8384A Expired FR1443687A (en) 1967-02-28 1967-02-28 Method and device for examining soundproofing materials

Country Status (2)

Country Link
DE (1) DE1982641U (en)
FR (1) FR1443687A (en)

Also Published As

Publication number Publication date
DE1982641U (en) 1968-04-04

Similar Documents

Publication Publication Date Title
FR1490522A (en) Soundproofing process and equipment for vehicles
FR1510890A (en) Method and device for calibrating flowmeters
FR1500202A (en) Packaging method and device
CH495921A (en) Method and device for the manufacture of fibers of thermoplastic materials
FR1443687A (en) Method and device for examining soundproofing materials
FR1514991A (en) Improved method and device for irradiating objects by successive charges
FR1536939A (en) Method and device for opening oysters
FR1494151A (en) Method and device for cooling objects
FR1497834A (en) Method and device for determining the tension of a rod
FR1477016A (en) Method and device for preparing materials for road construction
FR1489608A (en) Method and device for packaging goods
FR1468093A (en) Method and device for pressing objects made of thermoplastic materials
FR1413761A (en) Method and device for packaging fibrous materials
FR1497908A (en) Method and device for the manufacture of packaging
FR1470962A (en) Method and device for the preparation of mortar
FR1429961A (en) Method and device for winding web materials
FR1448577A (en) Method and device for marking the surface of materials
FR1453128A (en) Method and device for the continuous discharge of materials accumulated in heaps
FR1502298A (en) Method and device for waste incineration
FR1500107A (en) Method and device for coating inclined embankments
FR1432416A (en) Method and device usable to supplement slide closures and mode of operation of the device
FR1476793A (en) Method for the hydraulic removal of fine wet materials and device for the application of this method
FR1487883A (en) Method and device for coupling spaced apart panels
FR1519397A (en) Method and device for the analysis of molten materials
FR1480375A (en) Method and device for air drying