JPH0166058U - - Google Patents

Info

Publication number
JPH0166058U
JPH0166058U JP1987160398U JP16039887U JPH0166058U JP H0166058 U JPH0166058 U JP H0166058U JP 1987160398 U JP1987160398 U JP 1987160398U JP 16039887 U JP16039887 U JP 16039887U JP H0166058 U JPH0166058 U JP H0166058U
Authority
JP
Japan
Prior art keywords
inner chamber
light
area
smoke
detection area
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
JP1987160398U
Other languages
English (en)
Other versions
JPH0613481Y2 (ja
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 JP1987160398U priority Critical patent/JPH0613481Y2/ja
Publication of JPH0166058U publication Critical patent/JPH0166058U/ja
Application granted granted Critical
Publication of JPH0613481Y2 publication Critical patent/JPH0613481Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第1図は煙感
知器の縦断正面図、第2図は同平面図、第3図は
第1図の―線に沿つた横断平面図、第4図は
煙感知器のS/N比を示すグラフ、第5図は煙感
知器の出力信号の出力レベルを示すグラフである
。 1……箱体、2……煙導入体、3……発光器、
4……受光器、5……周壁、8,9……内室。

Claims (1)

    【実用新案登録請求の範囲】
  1. 末広がりの円周壁に下壁が設けられて周縁側に
    窄まる内室を備えた箱体を有し、前記内室の鋭角
    部方向に照射方向に向けた発光器を、内室の外側
    に配設する一方、前記内室の鋭角部の方向に受光
    領域を形成する受光器を前記発光器に対向させ、
    かつ内室の外側に配設し、前記発光器の発光領域
    と受光器の受光領域との交叉部位に検煙領域を形
    成して、該検煙領域に連通する煙導入口を前記箱
    体に設けたことを特徴とする煙感知器。
JP1987160398U 1987-10-20 1987-10-20 煙感知器 Expired - Lifetime JPH0613481Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987160398U JPH0613481Y2 (ja) 1987-10-20 1987-10-20 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987160398U JPH0613481Y2 (ja) 1987-10-20 1987-10-20 煙感知器

Publications (2)

Publication Number Publication Date
JPH0166058U true JPH0166058U (ja) 1989-04-27
JPH0613481Y2 JPH0613481Y2 (ja) 1994-04-06

Family

ID=31442429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987160398U Expired - Lifetime JPH0613481Y2 (ja) 1987-10-20 1987-10-20 煙感知器

Country Status (1)

Country Link
JP (1) JPH0613481Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0450641A (ja) * 1990-06-12 1992-02-19 Meisei Electric Co Ltd 視程測定方式
JP2012136314A (ja) * 2010-12-24 2012-07-19 Hokusei Shoji Kk 資源ゴミ回収ボックス

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0450641A (ja) * 1990-06-12 1992-02-19 Meisei Electric Co Ltd 視程測定方式
JP2012136314A (ja) * 2010-12-24 2012-07-19 Hokusei Shoji Kk 資源ゴミ回収ボックス

Also Published As

Publication number Publication date
JPH0613481Y2 (ja) 1994-04-06

Similar Documents

Publication Publication Date Title
JPH0166058U (ja)
JPS5876991U (ja) 煙感知器
JPS6153645U (ja)
JPS61190875U (ja)
JPH0187281U (ja)
JPS61123961U (ja)
JPH0277686U (ja)
JPH01112553U (ja)
JPS62123554U (ja)
JPH0196091U (ja)
JPS6370052U (ja)
JPS637348U (ja)
JPS62105596U (ja)
JPS6339852U (ja)
JPH0374098U (ja)
JPS645584U (ja)
JPH0289593U (ja)
JPH01180667U (ja)
JPH0434725U (ja)
JPH0449841U (ja)
JPS63109609U (ja)
JPS61143200U (ja)
JPH0252182U (ja)
JPS62201445U (ja)
JPS6290330U (ja)