JPS592637Y2 - トンネル内のふく射式火災感知器 - Google Patents

トンネル内のふく射式火災感知器

Info

Publication number
JPS592637Y2
JPS592637Y2 JP1976048732U JP4873276U JPS592637Y2 JP S592637 Y2 JPS592637 Y2 JP S592637Y2 JP 1976048732 U JP1976048732 U JP 1976048732U JP 4873276 U JP4873276 U JP 4873276U JP S592637 Y2 JPS592637 Y2 JP S592637Y2
Authority
JP
Japan
Prior art keywords
tunnel
fire detector
detection elements
flame
wavelength spectrum
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
JP1976048732U
Other languages
English (en)
Japanese (ja)
Other versions
JPS52140796U (enrdf_load_stackoverflow
Inventor
亨 田村
Original Assignee
能美防災工業株式会社
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 能美防災工業株式会社 filed Critical 能美防災工業株式会社
Priority to JP1976048732U priority Critical patent/JPS592637Y2/ja
Publication of JPS52140796U publication Critical patent/JPS52140796U/ja
Application granted granted Critical
Publication of JPS592637Y2 publication Critical patent/JPS592637Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1976048732U 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器 Expired JPS592637Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1976048732U JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976048732U JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Publications (2)

Publication Number Publication Date
JPS52140796U JPS52140796U (enrdf_load_stackoverflow) 1977-10-25
JPS592637Y2 true JPS592637Y2 (ja) 1984-01-24

Family

ID=28507933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976048732U Expired JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Country Status (1)

Country Link
JP (1) JPS592637Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533119B2 (enrdf_load_stackoverflow) * 1973-05-08 1980-08-28

Also Published As

Publication number Publication date
JPS52140796U (enrdf_load_stackoverflow) 1977-10-25

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