FR1429794A - Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects - Google Patents

Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects

Info

Publication number
FR1429794A
FR1429794A FR12145A FR12145A FR1429794A FR 1429794 A FR1429794 A FR 1429794A FR 12145 A FR12145 A FR 12145A FR 12145 A FR12145 A FR 12145A FR 1429794 A FR1429794 A FR 1429794A
Authority
FR
France
Prior art keywords
self
illuminating
visibility
recording
monitoring
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
Application number
FR12145A
Other languages
French (fr)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to FR12145A priority Critical patent/FR1429794A/en
Application granted granted Critical
Publication of FR1429794A publication Critical patent/FR1429794A/en
Expired 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)
FR12145A 1964-04-07 1965-04-06 Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects Expired FR1429794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR12145A FR1429794A (en) 1964-04-07 1965-04-06 Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL0047510 1964-04-07
FR12145A FR1429794A (en) 1964-04-07 1965-04-06 Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects

Publications (1)

Publication Number Publication Date
FR1429794A true FR1429794A (en) 1966-02-25

Family

ID=25985808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12145A Expired FR1429794A (en) 1964-04-07 1965-04-06 Apparatus for monitoring and recording the visibility of self-illuminating or non-self-illuminating objects

Country Status (1)

Country Link
FR (1) FR1429794A (en)

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