JPS5320988A - Photoelectric smoke detecting system - Google Patents

Photoelectric smoke detecting system

Info

Publication number
JPS5320988A
JPS5320988A JP9568476A JP9568476A JPS5320988A JP S5320988 A JPS5320988 A JP S5320988A JP 9568476 A JP9568476 A JP 9568476A JP 9568476 A JP9568476 A JP 9568476A JP S5320988 A JPS5320988 A JP S5320988A
Authority
JP
Japan
Prior art keywords
detecting system
photoelectric smoke
smoke detecting
photoelectric
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.)
Granted
Application number
JP9568476A
Other languages
Japanese (ja)
Other versions
JPS586994B2 (en
Inventor
Shigeru Kajii
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 JP9568476A priority Critical patent/JPS586994B2/en
Publication of JPS5320988A publication Critical patent/JPS5320988A/en
Publication of JPS586994B2 publication Critical patent/JPS586994B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP9568476A 1976-08-11 1976-08-11 Photoelectric smoke detection method Expired JPS586994B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9568476A JPS586994B2 (en) 1976-08-11 1976-08-11 Photoelectric smoke detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9568476A JPS586994B2 (en) 1976-08-11 1976-08-11 Photoelectric smoke detection method

Publications (2)

Publication Number Publication Date
JPS5320988A true JPS5320988A (en) 1978-02-25
JPS586994B2 JPS586994B2 (en) 1983-02-07

Family

ID=14144309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9568476A Expired JPS586994B2 (en) 1976-08-11 1976-08-11 Photoelectric smoke detection method

Country Status (1)

Country Link
JP (1) JPS586994B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55102090A (en) * 1979-01-26 1980-08-04 Sanyo Electric Co Photoelectric smoke sensor
JPS5716956U (en) * 1980-06-30 1982-01-28
JPS593698A (en) * 1982-06-30 1984-01-10 松下電工株式会社 Photoelectric smoke sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55102090A (en) * 1979-01-26 1980-08-04 Sanyo Electric Co Photoelectric smoke sensor
JPS5716956U (en) * 1980-06-30 1982-01-28
JPS593698A (en) * 1982-06-30 1984-01-10 松下電工株式会社 Photoelectric smoke sensor

Also Published As

Publication number Publication date
JPS586994B2 (en) 1983-02-07

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