JP2531468Y2 - 火災検出システム - Google Patents

火災検出システム

Info

Publication number
JP2531468Y2
JP2531468Y2 JP3946390U JP3946390U JP2531468Y2 JP 2531468 Y2 JP2531468 Y2 JP 2531468Y2 JP 3946390 U JP3946390 U JP 3946390U JP 3946390 U JP3946390 U JP 3946390U JP 2531468 Y2 JP2531468 Y2 JP 2531468Y2
Authority
JP
Japan
Prior art keywords
infrared
infrared sensor
fire
infrared light
detection
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 - Lifetime
Application number
JP3946390U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0496U (en:Method
Inventor
登喜雄 開
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP3946390U priority Critical patent/JP2531468Y2/ja
Publication of JPH0496U publication Critical patent/JPH0496U/ja
Application granted granted Critical
Publication of JP2531468Y2 publication Critical patent/JP2531468Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
JP3946390U 1990-04-16 1990-04-16 火災検出システム Expired - Lifetime JP2531468Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3946390U JP2531468Y2 (ja) 1990-04-16 1990-04-16 火災検出システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3946390U JP2531468Y2 (ja) 1990-04-16 1990-04-16 火災検出システム

Publications (2)

Publication Number Publication Date
JPH0496U JPH0496U (en:Method) 1992-01-06
JP2531468Y2 true JP2531468Y2 (ja) 1997-04-02

Family

ID=31548394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3946390U Expired - Lifetime JP2531468Y2 (ja) 1990-04-16 1990-04-16 火災検出システム

Country Status (1)

Country Link
JP (1) JP2531468Y2 (en:Method)

Also Published As

Publication number Publication date
JPH0496U (en:Method) 1992-01-06

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