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
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)
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)
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)
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 |
-
1967
- 1967-10-17 DE DE19671648738 patent/DE1648738B1/de active Pending
- 1967-10-17 FR FR1557693D patent/FR1557693A/fr not_active Expired
- 1967-10-19 US US676513A patent/US3477288A/en not_active Expired - Lifetime
- 1967-10-20 GB GB47810/67A patent/GB1180088A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1180088A (en) | 1970-02-04 |
DE1648738B1 (de) | 1971-12-02 |
US3477288A (en) | 1969-11-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |