JPH0187490U - - Google Patents

Info

Publication number
JPH0187490U
JPH0187490U JP18124787U JP18124787U JPH0187490U JP H0187490 U JPH0187490 U JP H0187490U JP 18124787 U JP18124787 U JP 18124787U JP 18124787 U JP18124787 U JP 18124787U JP H0187490 U JPH0187490 U JP H0187490U
Authority
JP
Japan
Prior art keywords
voltage
fire alarm
switch element
circuit
signal
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
JP18124787U
Other languages
English (en)
Other versions
JPH0542558Y2 (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 JP1987181247U priority Critical patent/JPH0542558Y2/ja
Publication of JPH0187490U publication Critical patent/JPH0187490U/ja
Application granted granted Critical
Publication of JPH0542558Y2 publication Critical patent/JPH0542558Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の火報検出装置の作用を説明
するためのブロツク図、第２図はこの考案の実施
例である火報検出装置の回路図である。 １，６―抵抗、７―サイリスタ（スイツチ素子
）、１，６，７―分圧回路、２０―整流・平滑回
路、２１―電圧検出回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 火報信号入力端の電圧を検出する電圧検出回路
    と、 この電圧検出回路が第１の電圧を検出したとき
    オフするスイツチ素子と、 前記スイツチ素子を含み、火報信号が第１の電
    圧であり前記スイツチ素子がオフのときの分圧出
    力電圧と、火報信号が第１の電圧より低い第２の
    電圧であり、前記スイツチ素子がオンのときの分
    圧出力電圧とが略等しい分圧回路と、 この分圧回路の出力電圧を整流・平滑して火報
    検出信号を発生する整流・平滑回路からなる火報
    検出装置。
JP1987181247U 1987-11-27 1987-11-27 Expired - Lifetime JPH0542558Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987181247U JPH0542558Y2 (ja) 1987-11-27 1987-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987181247U JPH0542558Y2 (ja) 1987-11-27 1987-11-27

Publications (2)

Publication Number Publication Date
JPH0187490U true JPH0187490U (ja) 1989-06-09
JPH0542558Y2 JPH0542558Y2 (ja) 1993-10-26

Family

ID=31472736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987181247U Expired - Lifetime JPH0542558Y2 (ja) 1987-11-27 1987-11-27

Country Status (1)

Country Link
JP (1) JPH0542558Y2 (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108793A (en) * 1976-03-09 1977-09-12 Mitsubishi Electric Corp On and off type refuge guidance light
JPS52133189U (ja) * 1976-04-05 1977-10-08
JPS5742701U (ja) * 1980-08-22 1982-03-09
JPS57193570U (ja) * 1981-06-04 1982-12-08
JPS6033020U (ja) * 1983-08-09 1985-03-06 前田産業株式会社 包装箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108793A (en) * 1976-03-09 1977-09-12 Mitsubishi Electric Corp On and off type refuge guidance light
JPS52133189U (ja) * 1976-04-05 1977-10-08
JPS5742701U (ja) * 1980-08-22 1982-03-09
JPS57193570U (ja) * 1981-06-04 1982-12-08
JPS6033020U (ja) * 1983-08-09 1985-03-06 前田産業株式会社 包装箱

Also Published As

Publication number Publication date
JPH0542558Y2 (ja) 1993-10-26

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