LU49597A1 - Installation de mesure de la distance limite de visibilité dans le brouillard - Google Patents
Installation de mesure de la distance limite de visibilité dans le brouillardInfo
- Publication number
- LU49597A1 LU49597A1 LU49597A LU49597A LU49597A1 LU 49597 A1 LU49597 A1 LU 49597A1 LU 49597 A LU49597 A LU 49597A LU 49597 A LU49597 A LU 49597A LU 49597 A1 LU49597 A1 LU 49597A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- fog
- measurement system
- distance measurement
- limit distance
- visibility limit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Radar, Positioning & Navigation (AREA)
- Electromagnetism (AREA)
- Remote Sensing (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Eye Examination Apparatus (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE654344A BE654344A (fr) | 1964-10-14 | 1964-10-14 | Installation de mesure de la distance limite de visibilité dans le brouillard |
| BE662165A BE662165A (fr) | 1964-10-14 | 1965-04-07 | Installation de mesure de la distance limite de visibilité dans le brouillard |
| BE37181 | 1966-12-14 | ||
| BE691170 | 1966-12-14 | ||
| BE49331 | 1967-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU49597A1 true LU49597A1 (fr) | 1965-12-06 |
Family
ID=74493079
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU49597A LU49597A1 (fr) | 1964-10-14 | 1965-10-06 | Installation de mesure de la distance limite de visibilité dans le brouillard |
| LU55073D LU55073A1 (fr) | 1964-10-14 | 1967-12-12 | Installation de mesure de la distance limite de visibilité dans le brouillard |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU55073D LU55073A1 (fr) | 1964-10-14 | 1967-12-12 | Installation de mesure de la distance limite de visibilité dans le brouillard |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US3501239A (fr) |
| BE (4) | BE654344A (fr) |
| CA (2) | CA852469A (fr) |
| CH (2) | CH454485A (fr) |
| DE (1) | DE1531481A1 (fr) |
| FR (2) | FR1459336A (fr) |
| GB (2) | GB1118348A (fr) |
| LU (2) | LU49597A1 (fr) |
| NL (2) | NL6513291A (fr) |
| SE (2) | SE323232B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010357A (en) * | 1975-12-08 | 1977-03-01 | The United States Of America As Represented By The Secretary Of The Department Of Transportation | Analog visibility computer |
| SE404848B (sv) * | 1976-11-03 | 1978-10-30 | Asea Ab | Anordning for siktmetning |
| EP0044589B1 (fr) * | 1980-07-17 | 1986-09-10 | Paul Rouet | Installation de mesure de la limite de visibilité dans le brouillard |
| US4614429A (en) * | 1984-05-14 | 1986-09-30 | The United States Of America As Represented By The Secretary Of The Air Force | Atmospheric contrast transmittance monitor |
| JP5618346B2 (ja) * | 2010-01-26 | 2014-11-05 | ローム株式会社 | 携帯電話機 |
| CN102175613B (zh) | 2011-01-26 | 2012-11-14 | 南京大学 | 基于图像亮度特征的ptz视频能见度检测方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126521A (en) * | 1964-03-24 | Visibility measurement | ||
| US2648723A (en) * | 1948-12-30 | 1953-08-11 | Rca Corp | Inspection system |
| DE1128301B (de) * | 1960-07-13 | 1962-04-19 | Fritz Herzog | Verfahren und Vorrichtung zur Bestimmung der Sichtweite auf Landebahnen |
| DE1241639B (de) * | 1964-07-18 | 1967-06-01 | Impulsphysik Gmbh | Verfahren und Vorrichtung zur Bestimmung der Sichtweite auf Landebahnen |
-
0
- SE SE224565D patent/SE224565C1/xx unknown
- CA CA780626A patent/CA780626A/en not_active Expired
- CA CA852469A patent/CA852469A/en not_active Expired
-
1964
- 1964-10-14 BE BE654344A patent/BE654344A/fr unknown
-
1965
- 1965-04-07 BE BE662165A patent/BE662165A/fr unknown
- 1965-10-06 LU LU49597A patent/LU49597A1/fr unknown
- 1965-10-11 US US494537A patent/US3501239A/en not_active Expired - Lifetime
- 1965-10-13 FR FR34733A patent/FR1459336A/fr not_active Expired
- 1965-10-13 CH CH1413565A patent/CH454485A/fr unknown
- 1965-10-14 GB GB43552/65A patent/GB1118348A/en not_active Expired
- 1965-10-14 NL NL6513291A patent/NL6513291A/xx unknown
-
1966
- 1966-12-14 BE BE691170D patent/BE691170R/fr active
-
1967
- 1967-10-09 BE BE704838D patent/BE704838R/fr active
- 1967-12-06 SE SE16751/67A patent/SE323232B/xx unknown
- 1967-12-08 GB GB55815/67A patent/GB1195580A/en not_active Expired
- 1967-12-12 DE DE19671531481 patent/DE1531481A1/de active Pending
- 1967-12-12 LU LU55073D patent/LU55073A1/fr unknown
- 1967-12-13 US US690344A patent/US3572949A/en not_active Expired - Lifetime
- 1967-12-13 FR FR132000A patent/FR94472E/fr not_active Expired
- 1967-12-14 CH CH1754167A patent/CH488199A/fr unknown
- 1967-12-14 NL NL6717063A patent/NL6717063A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE662165A (fr) | 1965-08-02 |
| SE224565C1 (sv) | 1969-01-21 |
| CA780626A (en) | 1968-03-19 |
| BE654344A (fr) | 1965-04-14 |
| FR94472E (fr) | 1969-08-22 |
| NL6513291A (nl) | 1966-04-15 |
| DE1531481A1 (de) | 1969-12-11 |
| CH454485A (fr) | 1968-04-15 |
| LU55073A1 (fr) | 1968-03-04 |
| US3572949A (en) | 1971-03-30 |
| CH488199A (fr) | 1970-03-31 |
| GB1195580A (en) | 1970-06-17 |
| DE1456119B2 (de) | 1972-12-07 |
| BE704838R (fr) | 1968-02-15 |
| SE323232B (sv) | 1970-04-27 |
| BE691170R (fr) | 1967-05-16 |
| CA852469A (en) | 1970-09-29 |
| GB1118348A (en) | 1968-07-03 |
| NL6717063A (nl) | 1968-06-17 |
| US3501239A (en) | 1970-03-17 |
| DE1456119A1 (de) | 1968-12-05 |
| FR1459336A (fr) | 1966-04-29 |
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