NL285477A - - Google Patents
Info
- Publication number
- NL285477A NL285477A NL285477DA NL285477A NL 285477 A NL285477 A NL 285477A NL 285477D A NL285477D A NL 285477DA NL 285477 A NL285477 A NL 285477A
- Authority
- NL
- Netherlands
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
- G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL40463A DE1174086B (en) | 1961-11-14 | 1961-11-14 | Device for measuring and registering the atmospheric standard visibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL285477A true NL285477A (en) |
Family
ID=7269054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL285477D NL285477A (en) | 1961-11-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE624813A (en) |
| DE (1) | DE1174086B (en) |
| GB (1) | GB1022462A (en) |
| NL (1) | NL285477A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3788745A (en) * | 1971-02-16 | 1974-01-29 | Eltro Gmbh | Method for measuring range of vision |
| FR2478815A1 (en) * | 1980-03-18 | 1981-09-25 | Enertec | METHOD AND APPARATUS FOR EVALUATING VISIBILITY |
| DE102008009006A1 (en) * | 2008-02-13 | 2009-08-20 | Ott Messtechnik Gmbh & Co. Kg | Optical weather sensor for identification of particle spectrum and optical density for identification of rainfall and fog incidents, has laser as source for light beam and sensor for extinction measurement |
| CN104729998A (en) * | 2015-02-27 | 2015-06-24 | 浙江省计量科学研究院 | Atmosphere visibility measurement device based on optical cavity ring down spectroscopy technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1247360A (en) * | 1959-10-07 | 1960-12-02 | Acec | Visibility measurement method |
-
0
- BE BE624813D patent/BE624813A/xx unknown
- NL NL285477D patent/NL285477A/xx unknown
-
1961
- 1961-11-14 DE DEL40463A patent/DE1174086B/en active Pending
-
1962
- 1962-11-14 GB GB4306362A patent/GB1022462A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1022462A (en) | 1966-03-16 |
| DE1174086B (en) | 1964-07-16 |
| BE624813A (en) |