GB1227187A - - Google Patents
Info
- Publication number
- GB1227187A GB1227187A GB1227187DA GB1227187A GB 1227187 A GB1227187 A GB 1227187A GB 1227187D A GB1227187D A GB 1227187DA GB 1227187 A GB1227187 A GB 1227187A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo
- cell
- visibility
- lamp
- ultraviolet
- 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
- G01N21/538—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
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1648208 | 1967-11-03 | ||
FR6912963A FR2041911A5 (de) | 1967-11-03 | 1969-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1227187A true GB1227187A (de) | 1971-04-07 |
Family
ID=25754130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1227187D Expired GB1227187A (de) | 1967-11-03 | 1968-10-01 |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2041911A5 (de) |
GB (1) | GB1227187A (de) |
NL (1) | NL6815382A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1585977B1 (de) * | 2003-01-25 | 2009-12-30 | Valeo Schalter und Sensoren GmbH | Sensor zur detektion von nebelartigen medien |
-
1968
- 1968-10-01 GB GB1227187D patent/GB1227187A/en not_active Expired
- 1968-10-28 NL NL6815382A patent/NL6815382A/xx unknown
-
1969
- 1969-04-24 FR FR6912963A patent/FR2041911A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1585977B1 (de) * | 2003-01-25 | 2009-12-30 | Valeo Schalter und Sensoren GmbH | Sensor zur detektion von nebelartigen medien |
Also Published As
Publication number | Publication date |
---|---|
NL6815382A (de) | 1969-05-06 |
FR2041911A5 (de) | 1971-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |