FR1583127A - - Google Patents
Info
- Publication number
- FR1583127A FR1583127A FR165207A FR165207A FR1583127A FR 1583127 A FR1583127 A FR 1583127A FR 165207 A FR165207 A FR 165207A FR 165207 A FR165207 A FR 165207A FR 1583127 A FR1583127 A FR 1583127A
- Authority
- FR
- France
- 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
- G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR165207A FR1583127A (fr) | 1968-09-05 | 1968-09-05 | |
FR179985A FR95840E (fr) | 1968-09-05 | 1968-12-23 | Procédé et dispositif de mesure du pouvoir transmissif de l'atmosphere. |
FR6909279A FR2044844A6 (fr) | 1968-09-05 | 1969-03-28 | |
DE19691944617 DE1944617A1 (de) | 1968-09-05 | 1969-09-03 | Verfahren zur Messung der Durchlaessigkeit der Atmosphaere und Vorrichtung zur Durchfuehrung dieses Verfahrens |
US00889877A US3746452A (en) | 1968-09-05 | 1969-09-03 | Device for determining the transparency of the atmosphere |
GB4409469A GB1242479A (en) | 1968-09-05 | 1969-09-05 | Optical transmission responsive apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR165207A FR1583127A (fr) | 1968-09-05 | 1968-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1583127A true FR1583127A (fr) | 1969-10-17 |
Family
ID=8654276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR165207A Expired FR1583127A (fr) | 1968-09-05 | 1968-09-05 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1583127A (fr) |
-
1968
- 1968-09-05 FR FR165207A patent/FR1583127A/fr not_active Expired
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |