JPS52116100A - Light reducing smoke sensor - Google Patents

Light reducing smoke sensor

Info

Publication number
JPS52116100A
JPS52116100A JP3249776A JP3249776A JPS52116100A JP S52116100 A JPS52116100 A JP S52116100A JP 3249776 A JP3249776 A JP 3249776A JP 3249776 A JP3249776 A JP 3249776A JP S52116100 A JPS52116100 A JP S52116100A
Authority
JP
Japan
Prior art keywords
smoke sensor
light reducing
reducing smoke
light
sensor
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.)
Granted
Application number
JP3249776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5732838B2 (OSRAM
Inventor
Yukio Yamauchi
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP3249776A priority Critical patent/JPS52116100A/ja
Publication of JPS52116100A publication Critical patent/JPS52116100A/ja
Publication of JPS5732838B2 publication Critical patent/JPS5732838B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP3249776A 1976-03-26 1976-03-26 Light reducing smoke sensor Granted JPS52116100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3249776A JPS52116100A (en) 1976-03-26 1976-03-26 Light reducing smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3249776A JPS52116100A (en) 1976-03-26 1976-03-26 Light reducing smoke sensor

Publications (2)

Publication Number Publication Date
JPS52116100A true JPS52116100A (en) 1977-09-29
JPS5732838B2 JPS5732838B2 (OSRAM) 1982-07-13

Family

ID=12360622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3249776A Granted JPS52116100A (en) 1976-03-26 1976-03-26 Light reducing smoke sensor

Country Status (1)

Country Link
JP (1) JPS52116100A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02103449A (ja) * 1988-10-12 1990-04-16 Mitsubishi Electric Corp 塵埃量検出装置
JPH03113348A (ja) * 1989-09-28 1991-05-14 Shimadzu Corp 遠隔測定型分光光度計
JP2012138050A (ja) * 2010-12-28 2012-07-19 Nohmi Bosai Ltd 減光式煙感知器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02103449A (ja) * 1988-10-12 1990-04-16 Mitsubishi Electric Corp 塵埃量検出装置
JPH03113348A (ja) * 1989-09-28 1991-05-14 Shimadzu Corp 遠隔測定型分光光度計
JP2012138050A (ja) * 2010-12-28 2012-07-19 Nohmi Bosai Ltd 減光式煙感知器

Also Published As

Publication number Publication date
JPS5732838B2 (OSRAM) 1982-07-13

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