FR927617A - Device for the examination of smoke - Google Patents
Device for the examination of smokeInfo
- Publication number
- FR927617A FR927617A FR927617DA FR927617A FR 927617 A FR927617 A FR 927617A FR 927617D A FR927617D A FR 927617DA FR 927617 A FR927617 A FR 927617A
- Authority
- FR
- France
- Prior art keywords
- smoke
- examination
- 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
Links
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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
Landscapes
- Physics & Mathematics (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US927617XA | 1941-01-16 | 1941-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR927617A true FR927617A (en) | 1947-11-04 |
Family
ID=22235018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR927617D Expired FR927617A (en) | 1941-01-16 | 1946-06-03 | Device for the examination of smoke |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR927617A (en) |
-
1946
- 1946-06-03 FR FR927617D patent/FR927617A/en not_active Expired
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