CH334161A - Device with a movable membrane - Google Patents
Device with a movable membraneInfo
- Publication number
- CH334161A CH334161A CH334161DA CH334161A CH 334161 A CH334161 A CH 334161A CH 334161D A CH334161D A CH 334161DA CH 334161 A CH334161 A CH 334161A
- Authority
- CH
- Switzerland
- Prior art keywords
- movable membrane
- membrane
- movable
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB334161X | 1954-04-05 | ||
GB310155X | 1955-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH334161A true CH334161A (en) | 1958-11-15 |
Family
ID=26260701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH334161D CH334161A (en) | 1954-04-05 | 1955-04-04 | Device with a movable membrane |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH334161A (en) |
FR (1) | FR1128488A (en) |
GB (1) | GB774123A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540072B4 (en) * | 1995-10-27 | 2004-12-30 | Emerson Process Management Manufacturing Gmbh & Co. Ohg | Optical-pneumatic radiation detector |
-
1954
- 1954-04-05 GB GB9941/54A patent/GB774123A/en not_active Expired
-
1955
- 1955-04-04 CH CH334161D patent/CH334161A/en unknown
- 1955-04-04 FR FR1128488D patent/FR1128488A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1128488A (en) | 1957-01-07 |
GB774123A (en) | 1957-05-08 |
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