JPS623199U - - Google Patents

Info

Publication number
JPS623199U
JPS623199U JP9471685U JP9471685U JPS623199U JP S623199 U JPS623199 U JP S623199U JP 9471685 U JP9471685 U JP 9471685U JP 9471685 U JP9471685 U JP 9471685U JP S623199 U JPS623199 U JP S623199U
Authority
JP
Japan
Prior art keywords
sound signal
amplifier
warning sound
megaphone
opening
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
JP9471685U
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 JP9471685U priority Critical patent/JPS623199U/ja
Publication of JPS623199U publication Critical patent/JPS623199U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案のメガホンの電気回路図、第2
図は本考案のメガホンの外観図を示す。 1……マイク、2……アンプ、3……スピーカ
、5……冒頭音あるいは注意音発生回路、6……
電源スイツチ、7……選択スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. マイク、アンプ、ホーンスピーカよりなるメガ
    ホンにおいて、上記アンプの電源スイツチのオン
    操作と同時に一定時間の冒頭音信号あるいは注意
    音信号を発生し、上記アンプの入力端子に供給す
    る冒頭音あるいは注意音発生回路を備えることを
    特徴とするメガホン。
JP9471685U 1985-06-22 1985-06-22 Pending JPS623199U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9471685U JPS623199U (ja) 1985-06-22 1985-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9471685U JPS623199U (ja) 1985-06-22 1985-06-22

Publications (1)

Publication Number Publication Date
JPS623199U true JPS623199U (ja) 1987-01-09

Family

ID=30653438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9471685U Pending JPS623199U (ja) 1985-06-22 1985-06-22

Country Status (1)

Country Link
JP (1) JPS623199U (ja)

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