JPS5847155U - 変調パルス光による煙検出装置 - Google Patents

変調パルス光による煙検出装置

Info

Publication number
JPS5847155U
JPS5847155U JP13919081U JP13919081U JPS5847155U JP S5847155 U JPS5847155 U JP S5847155U JP 13919081 U JP13919081 U JP 13919081U JP 13919081 U JP13919081 U JP 13919081U JP S5847155 U JPS5847155 U JP S5847155U
Authority
JP
Japan
Prior art keywords
pulsed light
output
circuit
detection device
modulated pulsed
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
JP13919081U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0128451Y2 (enrdf_load_stackoverflow
Inventor
安川　誠
健二 石井
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai 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 Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Priority to JP13919081U priority Critical patent/JPS5847155U/ja
Publication of JPS5847155U publication Critical patent/JPS5847155U/ja
Application granted granted Critical
Publication of JPH0128451Y2 publication Critical patent/JPH0128451Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP13919081U 1981-09-19 1981-09-19 変調パルス光による煙検出装置 Granted JPS5847155U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13919081U JPS5847155U (ja) 1981-09-19 1981-09-19 変調パルス光による煙検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13919081U JPS5847155U (ja) 1981-09-19 1981-09-19 変調パルス光による煙検出装置

Publications (2)

Publication Number Publication Date
JPS5847155U true JPS5847155U (ja) 1983-03-30
JPH0128451Y2 JPH0128451Y2 (enrdf_load_stackoverflow) 1989-08-30

Family

ID=29932391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13919081U Granted JPS5847155U (ja) 1981-09-19 1981-09-19 変調パルス光による煙検出装置

Country Status (1)

Country Link
JP (1) JPS5847155U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0128451Y2 (enrdf_load_stackoverflow) 1989-08-30

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