FR1168793A - Procédé de contrôle électrique de milieux en écoulement dont la densité optique ou la couleur est variable dans le temps ou dans l'espace - Google Patents

Procédé de contrôle électrique de milieux en écoulement dont la densité optique ou la couleur est variable dans le temps ou dans l'espace

Info

Publication number
FR1168793A
FR1168793A FR1168793DA FR1168793A FR 1168793 A FR1168793 A FR 1168793A FR 1168793D A FR1168793D A FR 1168793DA FR 1168793 A FR1168793 A FR 1168793A
Authority
FR
France
Prior art keywords
variable
color
space
time
optical density
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
Other languages
English (en)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh 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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR1168793A publication Critical patent/FR1168793A/fr
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
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth 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)
FR1168793D 1956-04-13 1957-03-04 Procédé de contrôle électrique de milieux en écoulement dont la densité optique ou la couleur est variable dans le temps ou dans l'espace Expired FR1168793A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF20035A DE1056388B (de) 1956-04-13 1956-04-13 Anordnung zur elektrischen UEberwachung von stroemenden Medien mit oertlich und/oder zeitlich verschiedener optischer Dichte bzw. Farbe

Publications (1)

Publication Number Publication Date
FR1168793A true FR1168793A (fr) 1958-12-16

Family

ID=7089536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1168793D Expired FR1168793A (fr) 1956-04-13 1957-03-04 Procédé de contrôle électrique de milieux en écoulement dont la densité optique ou la couleur est variable dans le temps ou dans l'espace

Country Status (2)

Country Link
DE (1) DE1056388B (fr)
FR (1) FR1168793A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718758A (en) * 1969-06-27 1973-02-27 Centre Nat Rech Metall Method and device for monitoring the working of a furnace
DE3622553A1 (de) * 1986-07-04 1988-01-07 Alpas Peter Schuldt Kg Verfahren und vorrichtung zur minderung der emissionen aus raeucheranlagen
DE3628072A1 (de) * 1986-08-19 1987-04-09 Fruengel Frank Dr Ing Aerosol- und feinstaubmessgeraet nach dem streulichtprinzip

Also Published As

Publication number Publication date
DE1056388B (de) 1959-04-30

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