JPH0445112Y2 - - Google Patents

Info

Publication number
JPH0445112Y2
JPH0445112Y2 JP1986006633U JP663386U JPH0445112Y2 JP H0445112 Y2 JPH0445112 Y2 JP H0445112Y2 JP 1986006633 U JP1986006633 U JP 1986006633U JP 663386 U JP663386 U JP 663386U JP H0445112 Y2 JPH0445112 Y2 JP H0445112Y2
Authority
JP
Japan
Prior art keywords
level
judgment
light
light receiving
circuit
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
JP1986006633U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62121695U (en]
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 filed Critical
Priority to JP1986006633U priority Critical patent/JPH0445112Y2/ja
Publication of JPS62121695U publication Critical patent/JPS62121695U/ja
Application granted granted Critical
Publication of JPH0445112Y2 publication Critical patent/JPH0445112Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1986006633U 1986-01-22 1986-01-22 Expired JPH0445112Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986006633U JPH0445112Y2 (en]) 1986-01-22 1986-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986006633U JPH0445112Y2 (en]) 1986-01-22 1986-01-22

Publications (2)

Publication Number Publication Date
JPS62121695U JPS62121695U (en]) 1987-08-01
JPH0445112Y2 true JPH0445112Y2 (en]) 1992-10-23

Family

ID=30789334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986006633U Expired JPH0445112Y2 (en]) 1986-01-22 1986-01-22

Country Status (1)

Country Link
JP (1) JPH0445112Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3277405B2 (ja) * 1993-05-11 2002-04-22 能美防災株式会社 輻射式火災感知器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124758U (en]) * 1981-01-28 1982-08-03
JPS598876A (ja) * 1982-07-06 1984-01-18 川崎製鉄株式会社 建物外壁の施工方法
JPS5940994U (ja) * 1982-09-03 1984-03-16 ホーチキ株式会社 多感度検出機能を有する火災報知設備の表示装置
JPS60122855U (ja) * 1984-01-25 1985-08-19 松下電工株式会社 減光式煙監視装置

Also Published As

Publication number Publication date
JPS62121695U (en]) 1987-08-01

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