JPS53106081A - Smoke detector - Google Patents

Smoke detector

Info

Publication number
JPS53106081A
JPS53106081A JP28678A JP28678A JPS53106081A JP S53106081 A JPS53106081 A JP S53106081A JP 28678 A JP28678 A JP 28678A JP 28678 A JP28678 A JP 28678A JP S53106081 A JPS53106081 A JP S53106081A
Authority
JP
Japan
Prior art keywords
smoke detector
smoke
detector
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
JP28678A
Other languages
Japanese (ja)
Inventor
Richiyaado Sunouman Roorensu
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JPS53106081A publication Critical patent/JPS53106081A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP28678A 1977-01-07 1978-01-06 Smoke detector Pending JPS53106081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75760577A 1977-01-07 1977-01-07

Publications (1)

Publication Number Publication Date
JPS53106081A true JPS53106081A (en) 1978-09-14

Family

ID=25048493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28678A Pending JPS53106081A (en) 1977-01-07 1978-01-06 Smoke detector

Country Status (6)

Country Link
JP (1) JPS53106081A (en)
AU (1) AU3100277A (en)
BE (1) BE862626A (en)
DE (1) DE2758517A1 (en)
FR (1) FR2377033A1 (en)
NL (1) NL7800184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028730A (en) * 1988-06-27 1990-01-12 Nippon Tectron Co Ltd Fluorescence measuring apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6153550A (en) * 1984-08-23 1986-03-17 Nohmi Bosai Kogyo Co Ltd Photoelectric smoke sensor
EP0175940B1 (en) * 1984-08-23 1990-12-05 Nohmi Bosai Kogyo Co., Ltd. Photoelectric smoke detector
DE19882465B4 (en) * 1997-05-29 2009-09-24 Hochiki Corp. Light projector device for a photoelectric smoke sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364030A (en) * 1964-04-29 1968-01-16 Du Pont Leuco dye-diacylazino light-sensitive dye former compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028730A (en) * 1988-06-27 1990-01-12 Nippon Tectron Co Ltd Fluorescence measuring apparatus

Also Published As

Publication number Publication date
AU3100277A (en) 1979-06-07
FR2377033A1 (en) 1978-08-04
NL7800184A (en) 1978-07-11
DE2758517A1 (en) 1978-07-13
BE862626A (en) 1978-05-02

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