JPH0341394U - - Google Patents

Info

Publication number
JPH0341394U
JPH0341394U JP10133189U JP10133189U JPH0341394U JP H0341394 U JPH0341394 U JP H0341394U JP 10133189 U JP10133189 U JP 10133189U JP 10133189 U JP10133189 U JP 10133189U JP H0341394 U JPH0341394 U JP H0341394U
Authority
JP
Japan
Prior art keywords
holder
light
light emitting
light receiving
window
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.)
Pending
Application number
JP10133189U
Other languages
English (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 JP10133189U priority Critical patent/JPH0341394U/ja
Publication of JPH0341394U publication Critical patent/JPH0341394U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例を示す断面図で第2
図の−線断面図、第2図は縦断面図、第3図
は従来例を示す断面図、である。 7……発光部ホルダ、8……受光部ホルダ、9
……発光窓、9a……枠内壁面、10……受光窓
、10a……枠内壁面、13……遮光壁、20…
…検煙部、21……受光窓。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 発光部ホルダの発光窓と受光部ホルダの受
    光窓の枠内壁面を夫々鋭角に傾斜せしめ、前記両
    ホルダ間に設けた遮光壁の光軸側端面を鋭角に傾
    斜せしめると共に、検煙部の内面を艶消し黒色に
    形成したことを特徴とする散乱光式煙感知器。 (2) 受光部ホルダの受光窓の枠内壁面が、ホル
    ダの内側に向かつて放射状に形成されていること
    を特徴とする請求項第1記載の散乱光式煙感知器
    。 (3) 発光部ホルダの発光窓の枠内壁面が、ホル
    ダの外側に向かつて放射状に形成されていること
    を特徴とする請求項第1記載の散乱光式煙感知器
JP10133189U 1989-08-30 1989-08-30 Pending JPH0341394U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10133189U JPH0341394U (ja) 1989-08-30 1989-08-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10133189U JPH0341394U (ja) 1989-08-30 1989-08-30

Publications (1)

Publication Number Publication Date
JPH0341394U true JPH0341394U (ja) 1991-04-19

Family

ID=31650290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10133189U Pending JPH0341394U (ja) 1989-08-30 1989-08-30

Country Status (1)

Country Link
JP (1) JPH0341394U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237751B2 (ja) * 1981-07-27 1987-08-13 Voest Alpine Ag
JPS63167246A (ja) * 1986-12-27 1988-07-11 Hochiki Corp 散乱光式煙感知器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237751B2 (ja) * 1981-07-27 1987-08-13 Voest Alpine Ag
JPS63167246A (ja) * 1986-12-27 1988-07-11 Hochiki Corp 散乱光式煙感知器

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