JPS5256980A - Photoelectric smoke sensor - Google Patents

Photoelectric smoke sensor

Info

Publication number
JPS5256980A
JPS5256980A JP13245475A JP13245475A JPS5256980A JP S5256980 A JPS5256980 A JP S5256980A JP 13245475 A JP13245475 A JP 13245475A JP 13245475 A JP13245475 A JP 13245475A JP S5256980 A JPS5256980 A JP S5256980A
Authority
JP
Japan
Prior art keywords
smoke sensor
photoelectric smoke
photoelectric
sensor
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
JP13245475A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5612813B2 (cs
Inventor
Masatoshi Matsui
Takeshi Satou
Yasumasa Teraoka
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.)
FUYOU BOUSAI KOUGIYOU KK
Original Assignee
FUYOU BOUSAI KOUGIYOU KK
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 FUYOU BOUSAI KOUGIYOU KK filed Critical FUYOU BOUSAI KOUGIYOU KK
Priority to JP13245475A priority Critical patent/JPS5256980A/ja
Publication of JPS5256980A publication Critical patent/JPS5256980A/ja
Publication of JPS5612813B2 publication Critical patent/JPS5612813B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP13245475A 1975-11-06 1975-11-06 Photoelectric smoke sensor Granted JPS5256980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13245475A JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13245475A JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Publications (2)

Publication Number Publication Date
JPS5256980A true JPS5256980A (en) 1977-05-10
JPS5612813B2 JPS5612813B2 (cs) 1981-03-24

Family

ID=15081722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13245475A Granted JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Country Status (1)

Country Link
JP (1) JPS5256980A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152394U (cs) * 1980-04-11 1981-11-14
JPS63113698A (ja) * 1986-10-30 1988-05-18 オムロン株式会社 瞬き検出回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152394U (cs) * 1980-04-11 1981-11-14
JPS63113698A (ja) * 1986-10-30 1988-05-18 オムロン株式会社 瞬き検出回路

Also Published As

Publication number Publication date
JPS5612813B2 (cs) 1981-03-24

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