JPH0436693U - - Google Patents

Info

Publication number
JPH0436693U
JPH0436693U JP7770290U JP7770290U JPH0436693U JP H0436693 U JPH0436693 U JP H0436693U JP 7770290 U JP7770290 U JP 7770290U JP 7770290 U JP7770290 U JP 7770290U JP H0436693 U JPH0436693 U JP H0436693U
Authority
JP
Japan
Prior art keywords
sensor
display element
check switch
outside
seen
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
JP7770290U
Other languages
English (en)
Other versions
JP2543724Y2 (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 JP1990077702U priority Critical patent/JP2543724Y2/ja
Publication of JPH0436693U publication Critical patent/JPH0436693U/ja
Application granted granted Critical
Publication of JP2543724Y2 publication Critical patent/JP2543724Y2/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図および第２図は本考案に係る一実施例と
しての光電式煙感知器を示し、第１図は発光電流
制御回路の回路図、第２図は機能点検方法を示す
側面図、第３図および第４図は従来の例の光電式
煙感知器を示し、第３図は発光電流制御回路の回
路図、第４図は機能点検方法を示す側面図、第５
図および第６図は光電式煙感知器の動作を示し、
第５図は発報閾値受光量を示す図、第６図は動作
原理図である。 １……感知器、１ａ……感知器の外郭、ＬＥＤ
１，ＬＥＤ２……表示素子、ＳＷ１，ＳＷ２……
点検スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 感知感度を点検するための点検スイツチを有す
    る感知器において、点検スイツチと直列に表示素
    子を接続し、該表示素子を外から見える感知器の
    外郭に配設したことを特徴とする感知器。
JP1990077702U 1990-07-20 1990-07-20 感知器 Expired - Lifetime JP2543724Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990077702U JP2543724Y2 (ja) 1990-07-20 1990-07-20 感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990077702U JP2543724Y2 (ja) 1990-07-20 1990-07-20 感知器

Publications (2)

Publication Number Publication Date
JPH0436693U true JPH0436693U (ja) 1992-03-27
JP2543724Y2 JP2543724Y2 (ja) 1997-08-13

Family

ID=31620333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990077702U Expired - Lifetime JP2543724Y2 (ja) 1990-07-20 1990-07-20 感知器

Country Status (1)

Country Link
JP (1) JP2543724Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023115098A (ja) * 2019-03-27 2023-08-18 ホーチキ株式会社 試験システム、及び試験装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5660196U (ja) * 1979-10-15 1981-05-22
JPH0193892A (ja) * 1987-10-05 1989-04-12 Matsushita Electric Works Ltd 感知器
JPH01172188U (ja) * 1988-05-25 1989-12-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5660196U (ja) * 1979-10-15 1981-05-22
JPH0193892A (ja) * 1987-10-05 1989-04-12 Matsushita Electric Works Ltd 感知器
JPH01172188U (ja) * 1988-05-25 1989-12-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023115098A (ja) * 2019-03-27 2023-08-18 ホーチキ株式会社 試験システム、及び試験装置

Also Published As

Publication number Publication date
JP2543724Y2 (ja) 1997-08-13

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