JPS6221693U - - Google Patents

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Publication number
JPS6221693U
JPS6221693U JP11233185U JP11233185U JPS6221693U JP S6221693 U JPS6221693 U JP S6221693U JP 11233185 U JP11233185 U JP 11233185U JP 11233185 U JP11233185 U JP 11233185U JP S6221693 U JPS6221693 U JP S6221693U
Authority
JP
Japan
Prior art keywords
circuit
hold
tone
holding
extension
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
JP11233185U
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 JP11233185U priority Critical patent/JPS6221693U/ja
Publication of JPS6221693U publication Critical patent/JPS6221693U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す回路図、第2
図は保留音送出回路の具体例を示す回路図である
。 1……簡易電話交換装置、2……外線、3
3n……通話線、4〜4n……標準電話機、1
0……保留回路、13……保留音発生回路、14
〜14n……ループ検出回路、15……制御回
路、18……呼出信号発生回路、22……信号音
発生回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 外線通話中の内線電話機の保留操作によつて電
    話機側を内線回路に切換接続するとともに外線側
    を保留用抵抗によつて保留する保留回路と、保留
    音を前記保留用抵抗の両端に送出する保留音送出
    回路とを備えた簡易電話交換装置において、 可聴音信号発生回路と、外線通話中の内線電話
    機に可聴音発生要求が生じた時に前記可聴音発生
    回路の出力を前記保留音送出回路に供給するとと
    もに前記保留回路を動作させる制御手段とを備え
    たことを特徴とする簡易電話交換装置。
JP11233185U 1985-07-24 1985-07-24 Pending JPS6221693U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11233185U JPS6221693U (ja) 1985-07-24 1985-07-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11233185U JPS6221693U (ja) 1985-07-24 1985-07-24

Publications (1)

Publication Number Publication Date
JPS6221693U true JPS6221693U (ja) 1987-02-09

Family

ID=30993103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11233185U Pending JPS6221693U (ja) 1985-07-24 1985-07-24

Country Status (1)

Country Link
JP (1) JPS6221693U (ja)

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