FR2478815A1 - Procede et appareil d'evaluation de la visibilite - Google Patents

Procede et appareil d'evaluation de la visibilite Download PDF

Info

Publication number
FR2478815A1
FR2478815A1 FR8005978A FR8005978A FR2478815A1 FR 2478815 A1 FR2478815 A1 FR 2478815A1 FR 8005978 A FR8005978 A FR 8005978A FR 8005978 A FR8005978 A FR 8005978A FR 2478815 A1 FR2478815 A1 FR 2478815A1
Authority
FR
France
Prior art keywords
light
intensity
particles
detection means
fluid
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.)
Granted
Application number
FR8005978A
Other languages
English (en)
French (fr)
Other versions
FR2478815B1 (https=
Inventor
Pierre Jappe
Jean Tourret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Data Systems SAS
Original Assignee
Enertec SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Enertec SA filed Critical Enertec SA
Priority to FR8005978A priority Critical patent/FR2478815A1/fr
Priority to EP19810400402 priority patent/EP0036370B1/fr
Priority to DE8181400402T priority patent/DE3160459D1/de
Publication of FR2478815A1 publication Critical patent/FR2478815A1/fr
Application granted granted Critical
Publication of FR2478815B1 publication Critical patent/FR2478815B1/fr
Granted legal-status Critical Current

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)
FR8005978A 1980-03-18 1980-03-18 Procede et appareil d'evaluation de la visibilite Granted FR2478815A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8005978A FR2478815A1 (fr) 1980-03-18 1980-03-18 Procede et appareil d'evaluation de la visibilite
EP19810400402 EP0036370B1 (fr) 1980-03-18 1981-03-17 Procédé et appareil d'évaluation de la visibilité
DE8181400402T DE3160459D1 (en) 1980-03-18 1981-03-17 Method and device for evaluating visibility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8005978A FR2478815A1 (fr) 1980-03-18 1980-03-18 Procede et appareil d'evaluation de la visibilite

Publications (2)

Publication Number Publication Date
FR2478815A1 true FR2478815A1 (fr) 1981-09-25
FR2478815B1 FR2478815B1 (https=) 1983-08-26

Family

ID=9239773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005978A Granted FR2478815A1 (fr) 1980-03-18 1980-03-18 Procede et appareil d'evaluation de la visibilite

Country Status (3)

Country Link
EP (1) EP0036370B1 (https=)
DE (1) DE3160459D1 (https=)
FR (1) FR2478815A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957639B2 (ja) * 2003-01-10 2007-08-15 株式会社堀場製作所 オイルミスト検出装置
DE502005006021D1 (de) 2005-12-13 2009-01-02 Sick Maihak Gmbh Streulicht-Sichtweitenmessgerät
CN103674905A (zh) * 2013-12-09 2014-03-26 西南技术物理研究所 双端单基线透射式能见度仪
CN111301410B (zh) * 2020-02-24 2022-01-28 新石器慧通（北京）科技有限公司 自动驾驶车辆及其车速调节方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1339806A (fr) * 1961-11-14 1963-10-11 Licentia Gmbh Instrument pour la mesure et l'enregistrement de la portée de visibilité normale atmosphérique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL285477A (https=) * 1961-11-14
US3541336A (en) * 1967-11-08 1970-11-17 Harry Einstein Photoelectric gas monitor having either reflective or absorbing plate at one end of sample tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1339806A (fr) * 1961-11-14 1963-10-11 Licentia Gmbh Instrument pour la mesure et l'enregistrement de la portée de visibilité normale atmosphérique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
APPLIED OPTICS, vol. 14, no. 9, septembre 1975, NEW YORK (US), J. WINSTANLEY et al.: 'Point visibility meter: a forward scatter instrument for the measurement of aerosol extinction coefficient', pages 2151 - 2157 *
THE RADIO AND ELECTRONIC ENGINEER, vol. 49, no. 11, novembre 1979, LONDRES (GB), M. JUDGE: 'Visual range monitors', pages 545 - 556 *

Also Published As

Publication number Publication date
DE3160459D1 (en) 1983-07-28
EP0036370A1 (fr) 1981-09-23
FR2478815B1 (https=) 1983-08-26
EP0036370B1 (fr) 1983-06-22

Similar Documents

Publication Publication Date Title
Kern et al. Applying UV cameras for SO2 detection to distant or optically thick volcanic plumes
JP2003513236A (ja) 分光分析用内蔵型光学プローブ
JPS6214769B2 (https=)
Nasse et al. Recent improvements of long-path DOAS measurements: impact on accuracy and stability of short-term and automated long-term observations
EP1183518B1 (fr) Dispositif pour determiner les valeurs d'au moins un parametre de particules, notamment de gouttelettes d'eau
EP0942293A2 (fr) Dispositif de mesure de distances ou de l'angle d'incidence d'un faisceau lumineux
EP0463914A1 (fr) Dispositif de mesure de paramètres météorlogiques
CA2166662C (fr) Dispositif de mesure colorimetrique d'un ecran d'affichage
GB1298658A (en) Photometer for measuring total radiant energy at selected angles
US5315115A (en) Optical apparatus and method for sensing particulates
FR2553190A1 (fr) Procede et dispositif pour mesurer un niveau de remplissage
JPH06331543A (ja) 浮遊粒子濃度計測装置
FR2478815A1 (fr) Procede et appareil d'evaluation de la visibilite
RU2478192C2 (ru) Способ оптического дистанционного обнаружения соединений в среде
CN112437871B (zh) 用于实时高精度测量来自至少一个源的电磁辐射的大气衰减的系统以及测量方法
EP0347298B1 (fr) Procédé et dispositif de mesure de la visibilité à travers un milieu d'opacité variable
NL8900070A (nl) Inrichting voor het inspekteren van een interferentiefilter voor een projektie-televisiebeeldbuis.
EP0558405A1 (fr) Dispositif d'évaluation du balisage lumineux notamment sur les pistes et les voies d'accès des avions
EP0682245B1 (fr) Procédé d'analyse de la composition d'un liquide à l'aide d'un spectrophotomètre à plages de détection multiples
Barnes et al. UV bidirectional reflectance distribution function measurements for diffusers
CN105738298B (zh) 一种基于色坐标值的水溶液浊度测量方法及装置
CN111537414A (zh) 一种液体光学腔增强测量系统
NL1024282C2 (nl) Inrichting, alsmede werkwijze voor het bepalen van de lichtsterkte van een verkeerslantaarn.
EP0064110A1 (fr) Appareil de photométrie par diffusion
JP2002116140A (ja) 分光分析方法及び分光分析計

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
TP Transmission of property
ST Notification of lapse