BE508204A - - Google Patents
Info
- Publication number
- BE508204A BE508204A BE508204DA BE508204A BE 508204 A BE508204 A BE 508204A BE 508204D A BE508204D A BE 508204DA BE 508204 A BE508204 A BE 508204A
- Authority
- BE
- Belgium
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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
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)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR747602X | 1951-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508204A true BE508204A (en) |
Family
ID=9148031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508204D BE508204A (en) | 1951-01-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE508204A (en) |
| DE (1) | DE951315C (en) |
| FR (1) | FR1145951A (en) |
| GB (1) | GB747602A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1115954B (en) * | 1957-11-29 | 1961-10-26 | Hans Prugger Dipl Phys | Arrangement for the ongoing investigation of the oxygen content of the air we breathe through photoelectric registration of ultraviolet radiation |
| DE102017102489B3 (en) * | 2017-02-08 | 2018-05-24 | Preh Gmbh | Method for fog detection |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE730478C (en) * | 1938-03-09 | 1943-01-14 | Ig Farbenindustrie Ag | Process for the determination of components in mixtures of substances by means of radiation absorption |
| US2452122A (en) * | 1943-11-15 | 1948-10-26 | Allied Chem & Dye Corp | Apparatus and process for testing materials |
-
0
- BE BE508204D patent/BE508204A/xx unknown
-
1950
- 1950-11-03 FR FR1145951D patent/FR1145951A/en not_active Expired
-
1952
- 1952-01-06 DE DES26719A patent/DE951315C/en not_active Expired
- 1952-01-17 GB GB1407/52A patent/GB747602A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1145951A (en) | 1957-11-05 |
| DE951315C (en) | 1956-10-25 |
| GB747602A (en) | 1956-04-11 |