JPS5838469Y2 - 火災警報装置 - Google Patents

火災警報装置

Info

Publication number
JPS5838469Y2
JPS5838469Y2 JP12283979U JP12283979U JPS5838469Y2 JP S5838469 Y2 JPS5838469 Y2 JP S5838469Y2 JP 12283979 U JP12283979 U JP 12283979U JP 12283979 U JP12283979 U JP 12283979U JP S5838469 Y2 JPS5838469 Y2 JP S5838469Y2
Authority
JP
Japan
Prior art keywords
optical fiber
temperature detection
temperature
light
detection section
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.)
Expired
Application number
JP12283979U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5641389U (enrdf_load_stackoverflow
Inventor
茂生 岡田
賢吉 山路
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP12283979U priority Critical patent/JPS5838469Y2/ja
Publication of JPS5641389U publication Critical patent/JPS5641389U/ja
Application granted granted Critical
Publication of JPS5838469Y2 publication Critical patent/JPS5838469Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
JP12283979U 1979-09-05 1979-09-05 火災警報装置 Expired JPS5838469Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12283979U JPS5838469Y2 (ja) 1979-09-05 1979-09-05 火災警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12283979U JPS5838469Y2 (ja) 1979-09-05 1979-09-05 火災警報装置

Publications (2)

Publication Number Publication Date
JPS5641389U JPS5641389U (enrdf_load_stackoverflow) 1981-04-16
JPS5838469Y2 true JPS5838469Y2 (ja) 1983-08-31

Family

ID=29354866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12283979U Expired JPS5838469Y2 (ja) 1979-09-05 1979-09-05 火災警報装置

Country Status (1)

Country Link
JP (1) JPS5838469Y2 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6242342Y2 (enrdf_load_stackoverflow) * 1980-11-14 1987-10-30
JPS57193891A (en) * 1981-05-25 1982-11-29 Kobishi Electric Co Ltd Photoelectric type alarm circuit
JPH0429389Y2 (enrdf_load_stackoverflow) * 1985-08-12 1992-07-16
JP2008305052A (ja) * 2007-06-06 2008-12-18 Nippon Telegr & Teleph Corp <Ntt> 発熱検知方法及び発熱検知装置

Also Published As

Publication number Publication date
JPS5641389U (enrdf_load_stackoverflow) 1981-04-16

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