JPS5840477Y2 - 散乱光式煙感知器 - Google Patents

散乱光式煙感知器

Info

Publication number
JPS5840477Y2
JPS5840477Y2 JP3194278U JP3194278U JPS5840477Y2 JP S5840477 Y2 JPS5840477 Y2 JP S5840477Y2 JP 3194278 U JP3194278 U JP 3194278U JP 3194278 U JP3194278 U JP 3194278U JP S5840477 Y2 JPS5840477 Y2 JP S5840477Y2
Authority
JP
Japan
Prior art keywords
light
light source
circuit board
electric circuit
receiver
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
JP3194278U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54135888U (enExample
Inventor
朗 横田
善徳 篠原
光男 長谷川
隆司 鈴木
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.)
Nittan Co Ltd
Original Assignee
Nittan Co 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP3194278U priority Critical patent/JPS5840477Y2/ja
Publication of JPS54135888U publication Critical patent/JPS54135888U/ja
Application granted granted Critical
Publication of JPS5840477Y2 publication Critical patent/JPS5840477Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP3194278U 1978-03-13 1978-03-13 散乱光式煙感知器 Expired JPS5840477Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3194278U JPS5840477Y2 (ja) 1978-03-13 1978-03-13 散乱光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3194278U JPS5840477Y2 (ja) 1978-03-13 1978-03-13 散乱光式煙感知器

Publications (2)

Publication Number Publication Date
JPS54135888U JPS54135888U (enExample) 1979-09-20
JPS5840477Y2 true JPS5840477Y2 (ja) 1983-09-12

Family

ID=28884495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3194278U Expired JPS5840477Y2 (ja) 1978-03-13 1978-03-13 散乱光式煙感知器

Country Status (1)

Country Link
JP (1) JPS5840477Y2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626844Y2 (ja) * 1985-07-22 1994-07-20 能美防災株式会社 光電式煙感知器の発光素子および受光素子の取付構造
US9098988B2 (en) * 2012-12-18 2015-08-04 Excelitas Technologies Philippines Inc. Integrated smoke cell

Also Published As

Publication number Publication date
JPS54135888U (enExample) 1979-09-20

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