FR1557693A - - Google Patents

Info

Publication number
FR1557693A
FR1557693A FR1557693DA FR1557693A FR 1557693 A FR1557693 A FR 1557693A FR 1557693D A FR1557693D A FR 1557693DA FR 1557693 A FR1557693 A FR 1557693A
Authority
FR
France
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
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 FR1557693A publication Critical patent/FR1557693A/fr
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
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/44—Resins; Plastics; Rubber; Leather
    • G01N33/447—Leather
    • 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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0237—Thin materials, e.g. paper, membranes, thin films
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR1557693D 1966-10-21 1967-10-17 Expired FR1557693A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS669066 1966-10-21

Publications (1)

Publication Number Publication Date
FR1557693A true FR1557693A (fr) 1969-02-21

Family

ID=5414514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557693D Expired FR1557693A (fr) 1966-10-21 1967-10-17

Country Status (4)

Country Link
US (1) US3477288A (fr)
DE (1) DE1648738B1 (fr)
FR (1) FR1557693A (fr)
GB (1) GB1180088A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595070A (en) * 1969-12-22 1971-07-27 Deering Milliken Res Corp Moisture and temperature detection
EP0098115A1 (fr) * 1982-06-28 1984-01-11 De La Rue Systems Limited Dispositif pour détecter l'état d'une feuille ou d'un tissu
DE3527838A1 (de) * 1985-08-02 1987-02-05 Wilhelm Westerteiger Verfahren und vorrichtung zum messen der luftdurchlaessigkeit
US5645626A (en) 1990-08-10 1997-07-08 Bend Research, Inc. Composite hydrogen separation element and module
GB9814452D0 (en) 1998-07-04 1998-09-02 Ncr Int Inc An apparatus for checking the condition of documents
GB0016063D0 (en) * 2000-06-30 2000-08-23 Blc Leather Technology Centre Testing of leather
US6916454B2 (en) * 2001-03-30 2005-07-12 Siemens Westinghouse Power Corporation Metal gas separation membrane
US6913736B2 (en) * 2001-03-30 2005-07-05 Siemens Westinghouse Power Corporation Metal gas separation membrane module design
DE10222568B4 (de) 2002-05-17 2007-02-08 W.C. Heraeus Gmbh Kompositmembran und Verfahren zu deren Herstellung
US7018446B2 (en) * 2003-09-24 2006-03-28 Siemens Westinghouse Power Corporation Metal gas separation membrane
DE10345577A1 (de) * 2003-09-29 2005-05-12 Hans Thoma Vorrichtung zur Haarrißprüfung von Siliziumscheiben zur Bildung von Solarzellen
BE1016957A6 (fr) * 2006-03-27 2007-10-02 Sonaca Sociutu Anonyme Dispositif et procede pour l'assemblage par rivetage de toles.
CN101472217A (zh) * 2007-12-27 2009-07-01 深圳富泰宏精密工业有限公司 受话器频率响应曲线调节方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576423A (en) * 1947-02-04 1951-11-27 Gen Instrument Corp Apparatus for determining resonant frequencies
US2752781A (en) * 1954-07-28 1956-07-03 Walter J Thorsen Apparatus for determining textile characteristics
US2844210A (en) * 1955-02-17 1958-07-22 Maremont Automotive Products I Means for determining the effectiveness of sound reducing means
US3198007A (en) * 1961-05-23 1965-08-03 Jerry B Overton Acoustic testing chamber

Also Published As

Publication number Publication date
GB1180088A (en) 1970-02-04
DE1648738B1 (de) 1971-12-02
US3477288A (en) 1969-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse