JPH0482791U - - Google Patents

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Publication number
JPH0482791U
JPH0482791U JP12372290U JP12372290U JPH0482791U JP H0482791 U JPH0482791 U JP H0482791U JP 12372290 U JP12372290 U JP 12372290U JP 12372290 U JP12372290 U JP 12372290U JP H0482791 U JPH0482791 U JP H0482791U
Authority
JP
Japan
Prior art keywords
light
view
space
lens
optical axis
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
JP12372290U
Other languages
English (en)
Other versions
JP2531687Y2 (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 JP1990123722U priority Critical patent/JP2531687Y2/ja
Publication of JPH0482791U publication Critical patent/JPH0482791U/ja
Application granted granted Critical
Publication of JP2531687Y2 publication Critical patent/JP2531687Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fire-Detection Mechanisms (AREA)

Description

【図面の簡単な説明】
第１図は本考案実施例の構成説明図、第２図は
第１図の分解斜視図、第３図は光学ケースの説明
図で、Ａは上面図、Ｂは正面図、Ｃは左側面図、
Ｄは右側断面図、第４図はホルダの説明図で、Ａ
は正面図、Ｂは右側断面図、Ｃは背面図、第５図
は光学ケースの一部の断面図で、Ａは投光器の断
面図、Ｂは受光器の断面図、第６図はケースの斜
視図、第７図は取付板の構成説明図、第８図は本
考案実施例の動作説明図、第９図は従来装置の構
成説明図、第１０図は従来装置の動作説明図であ
る。 図において、１は本体、３は取付板、４は器枠
、５はカバー、２１は第１回転台、２２は第２回
転台、２６は水平角調整ネジ、３４は垂直角調整
ネジ、３８は操作部、５３は光学ケース、５４は
レンズ、５９は空間部、７３は投光素子、７４は
受光素子、７６は視準部である。

Claims (1)

  1. 【実用新案登録請求の範囲】 それぞれ前面に配置したレンズの焦点付近の背
    面側の光軸上に投光素子および受光素子をもうけ
    た光学ケースを備えた投光器および受光器を具備
    する減光式煙感知器において、 前記光学ケース内に配置された投光素子または
    受光素子の周囲に空間を設けて該空間に前記レン
    ズの光軸に斜交する入射光の焦点を結ばせよるよ
    うに構成したことを特徴とする減光式煙感知器。
JP1990123722U 1990-11-27 1990-11-27 減光式煙感知器 Expired - Lifetime JP2531687Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990123722U JP2531687Y2 (ja) 1990-11-27 1990-11-27 減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990123722U JP2531687Y2 (ja) 1990-11-27 1990-11-27 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPH0482791U true JPH0482791U (ja) 1992-07-17
JP2531687Y2 JP2531687Y2 (ja) 1997-04-09

Family

ID=31871413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990123722U Expired - Lifetime JP2531687Y2 (ja) 1990-11-27 1990-11-27 減光式煙感知器

Country Status (1)

Country Link
JP (1) JP2531687Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001184572A (ja) * 1999-12-22 2001-07-06 Nittan Co Ltd 光電式分離型感知器
WO2015159639A1 (ja) * 2014-04-18 2015-10-22 川崎重工業株式会社 鞍乗型車両の前部構造

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201195U (ja) * 1985-06-06 1986-12-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201195U (ja) * 1985-06-06 1986-12-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001184572A (ja) * 1999-12-22 2001-07-06 Nittan Co Ltd 光電式分離型感知器
WO2015159639A1 (ja) * 2014-04-18 2015-10-22 川崎重工業株式会社 鞍乗型車両の前部構造
JP2015205548A (ja) * 2014-04-18 2015-11-19 川崎重工業株式会社 鞍乗型車両の前部構造

Also Published As

Publication number Publication date
JP2531687Y2 (ja) 1997-04-09

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