JPH0262499U - - Google Patents

Info

Publication number
JPH0262499U
JPH0262499U JP14060288U JP14060288U JPH0262499U JP H0262499 U JPH0262499 U JP H0262499U JP 14060288 U JP14060288 U JP 14060288U JP 14060288 U JP14060288 U JP 14060288U JP H0262499 U JPH0262499 U JP H0262499U
Authority
JP
Japan
Prior art keywords
buzzer
circuit
setting circuit
buzzer drive
sounds
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
JP14060288U
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 JP14060288U priority Critical patent/JPH0262499U/ja
Publication of JPH0262499U publication Critical patent/JPH0262499U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図、
第2図は第1図に示す本実施例のブザーに印加す
るパルスの波形を示す波形図である。 1,2……スイツチ、3……パルス幅設定器、
4……可変パルス幅発生器、5……単安定マルチ
バイブレータ、6……発振器、7……ブザー。

Claims (1)

    【実用新案登録請求の範囲】
  1. ブザーの複数音に対応する複数のブザー駆動パ
    ルスを発生するパルス発生回路と、前記複数のブ
    ザー駆動パルスの一つを設定する設定回路と、ア
    ラーム信号受信時に前記設定回路で設定されたブ
    ザー駆動パルスで前記ブザーを駆動する駆動回路
    と、前記設定回路で設定されたブザー駆動パルス
    によつて前記複数のブザー音を試験時に鳴らせて
    ブザー音を確認できる確認回路とを有することを
    特徴とするブザー音切換回路。
JP14060288U 1988-10-27 1988-10-27 Pending JPH0262499U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14060288U JPH0262499U (ja) 1988-10-27 1988-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14060288U JPH0262499U (ja) 1988-10-27 1988-10-27

Publications (1)

Publication Number Publication Date
JPH0262499U true JPH0262499U (ja) 1990-05-10

Family

ID=31404923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14060288U Pending JPH0262499U (ja) 1988-10-27 1988-10-27

Country Status (1)

Country Link
JP (1) JPH0262499U (ja)

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