JPS51140672A - Light-transmission type smoke sensor - Google Patents

Light-transmission type smoke sensor

Info

Publication number
JPS51140672A
JPS51140672A JP6508175A JP6508175A JPS51140672A JP S51140672 A JPS51140672 A JP S51140672A JP 6508175 A JP6508175 A JP 6508175A JP 6508175 A JP6508175 A JP 6508175A JP S51140672 A JPS51140672 A JP S51140672A
Authority
JP
Japan
Prior art keywords
light
transmission type
smoke sensor
type smoke
smoke
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.)
Pending
Application number
JP6508175A
Other languages
English (en)
Inventor
Yoshihiko Okuda
Tsunehiko Araki
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP6508175A priority Critical patent/JPS51140672A/ja
Publication of JPS51140672A publication Critical patent/JPS51140672A/ja
Pending 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP6508175A 1975-05-29 1975-05-29 Light-transmission type smoke sensor Pending JPS51140672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6508175A JPS51140672A (en) 1975-05-29 1975-05-29 Light-transmission type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6508175A JPS51140672A (en) 1975-05-29 1975-05-29 Light-transmission type smoke sensor

Publications (1)

Publication Number Publication Date
JPS51140672A true JPS51140672A (en) 1976-12-03

Family

ID=13276627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6508175A Pending JPS51140672A (en) 1975-05-29 1975-05-29 Light-transmission type smoke sensor

Country Status (1)

Country Link
JP (1) JPS51140672A (ja)

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