JPH0315690B2 - - Google Patents

Info

Publication number
JPH0315690B2
JPH0315690B2 JP19114682A JP19114682A JPH0315690B2 JP H0315690 B2 JPH0315690 B2 JP H0315690B2 JP 19114682 A JP19114682 A JP 19114682A JP 19114682 A JP19114682 A JP 19114682A JP H0315690 B2 JPH0315690 B2 JP H0315690B2
Authority
JP
Japan
Prior art keywords
signal
value
smoking
comparator
light
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
JP19114682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5979840A (ja
Inventor
Mitsutoshi Morya
Masanori Naganoma
Yasuto Kai
Kenji Yamada
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.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP19114682A priority Critical patent/JPS5979840A/ja
Publication of JPS5979840A publication Critical patent/JPS5979840A/ja
Publication of JPH0315690B2 publication Critical patent/JPH0315690B2/ja
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
    • G01N21/534—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

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)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP19114682A 1982-10-29 1982-10-29 車両用煙り検出装置 Granted JPS5979840A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19114682A JPS5979840A (ja) 1982-10-29 1982-10-29 車両用煙り検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19114682A JPS5979840A (ja) 1982-10-29 1982-10-29 車両用煙り検出装置

Publications (2)

Publication Number Publication Date
JPS5979840A JPS5979840A (ja) 1984-05-09
JPH0315690B2 true JPH0315690B2 (OSRAM) 1991-03-01

Family

ID=16269654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19114682A Granted JPS5979840A (ja) 1982-10-29 1982-10-29 車両用煙り検出装置

Country Status (1)

Country Link
JP (1) JPS5979840A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907049A1 (de) * 1989-03-04 1990-09-13 Bayerische Motoren Werke Ag Fahrzeug mit einem sicherheitssystem

Also Published As

Publication number Publication date
JPS5979840A (ja) 1984-05-09

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