JPS5847406Y2 - 光電式煙検出装置 - Google Patents

光電式煙検出装置

Info

Publication number
JPS5847406Y2
JPS5847406Y2 JP1978119935U JP11993578U JPS5847406Y2 JP S5847406 Y2 JPS5847406 Y2 JP S5847406Y2 JP 1978119935 U JP1978119935 U JP 1978119935U JP 11993578 U JP11993578 U JP 11993578U JP S5847406 Y2 JPS5847406 Y2 JP S5847406Y2
Authority
JP
Japan
Prior art keywords
optical fiber
laser beam
light
smoke
receiving element
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
JP1978119935U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5444585U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
章夫 吉原
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP1978119935U priority Critical patent/JPS5847406Y2/ja
Publication of JPS5444585U publication Critical patent/JPS5444585U/ja
Application granted granted Critical
Publication of JPS5847406Y2 publication Critical patent/JPS5847406Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP1978119935U 1978-09-01 1978-09-01 光電式煙検出装置 Expired JPS5847406Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978119935U JPS5847406Y2 (ja) 1978-09-01 1978-09-01 光電式煙検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978119935U JPS5847406Y2 (ja) 1978-09-01 1978-09-01 光電式煙検出装置

Publications (2)

Publication Number Publication Date
JPS5444585U JPS5444585U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-03-27
JPS5847406Y2 true JPS5847406Y2 (ja) 1983-10-28

Family

ID=29075665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978119935U Expired JPS5847406Y2 (ja) 1978-09-01 1978-09-01 光電式煙検出装置

Country Status (1)

Country Link
JP (1) JPS5847406Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884595A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-02-10 1973-11-09

Also Published As

Publication number Publication date
JPS5444585U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-03-27

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