JPS5750644A - Apparatus for measuring visual range in fog - Google Patents
Apparatus for measuring visual range in fogInfo
- Publication number
- JPS5750644A JPS5750644A JP56112909A JP11290981A JPS5750644A JP S5750644 A JPS5750644 A JP S5750644A JP 56112909 A JP56112909 A JP 56112909A JP 11290981 A JP11290981 A JP 11290981A JP S5750644 A JPS5750644 A JP S5750644A
- Authority
- JP
- Japan
- Prior art keywords
- fog
- assembly
- assemblies
- visual range
- measuring visual
- 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.)
- Pending
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
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Telescopes (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
- Road Signs Or Road Markings (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP80200696 | 1980-07-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5750644A true JPS5750644A (en) | 1982-03-25 |
Family
ID=8187023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56112909A Pending JPS5750644A (en) | 1980-07-17 | 1981-07-17 | Apparatus for measuring visual range in fog |
Country Status (7)
Country | Link |
---|---|
US (1) | US4389576A (ja) |
EP (1) | EP0044589B1 (ja) |
JP (1) | JPS5750644A (ja) |
AT (1) | ATE22179T1 (ja) |
CA (1) | CA1179495A (ja) |
DE (1) | DE3175296D1 (ja) |
ES (1) | ES8205311A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005048685A1 (de) * | 2005-10-11 | 2007-04-26 | Schuh & Co. Gmbh | Messanordnung und Verfahren zum Messen des Fernfeldes einer Lichtquelle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501239A (en) * | 1964-10-14 | 1970-03-17 | Acec | Measuring device for the maximum visual distance in the fog |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1110771A (en) * | 1964-04-07 | 1968-04-24 | Licentia Gmbh | A system for ascertaining the range of visibility |
-
1981
- 1981-07-07 DE DE8181200776T patent/DE3175296D1/de not_active Expired
- 1981-07-07 AT AT81200776T patent/ATE22179T1/de active
- 1981-07-07 EP EP81200776A patent/EP0044589B1/fr not_active Expired
- 1981-07-13 US US06/282,786 patent/US4389576A/en not_active Expired - Fee Related
- 1981-07-16 ES ES504010A patent/ES8205311A1/es not_active Expired
- 1981-07-17 JP JP56112909A patent/JPS5750644A/ja active Pending
- 1981-08-28 CA CA000384801A patent/CA1179495A/fr not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501239A (en) * | 1964-10-14 | 1970-03-17 | Acec | Measuring device for the maximum visual distance in the fog |
US3572949A (en) * | 1964-10-14 | 1971-03-30 | Acec | An installation for measuring the maximum visual distance in the fog including a series of signal lights |
Also Published As
Publication number | Publication date |
---|---|
DE3175296D1 (en) | 1986-10-16 |
CA1179495A (fr) | 1984-12-18 |
ATE22179T1 (de) | 1986-09-15 |
US4389576A (en) | 1983-06-21 |
EP0044589B1 (fr) | 1986-09-10 |
ES504010A0 (es) | 1982-06-01 |
ES8205311A1 (es) | 1982-06-01 |
EP0044589A2 (fr) | 1982-01-27 |
EP0044589A3 (en) | 1984-12-05 |
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