JPH03113556U - - Google Patents

Info

Publication number
JPH03113556U
JPH03113556U JP2118190U JP2118190U JPH03113556U JP H03113556 U JPH03113556 U JP H03113556U JP 2118190 U JP2118190 U JP 2118190U JP 2118190 U JP2118190 U JP 2118190U JP H03113556 U JPH03113556 U JP H03113556U
Authority
JP
Japan
Prior art keywords
signal
audible sound
time measurement
detection means
generating
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
JP2118190U
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 JP2118190U priority Critical patent/JPH03113556U/ja
Publication of JPH03113556U publication Critical patent/JPH03113556U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例における電話機の要
部のブロツク図である。 2……電話回線、6……保留音出力回路、10
……信号検出回路、111……タイムカウント手
段。

Claims (1)

  1. 【実用新案登録請求の範囲】 電話回線より送られてくる所定の信号を検出す
    る検出手段と、 該検出手段からの信号に基いて所定時間を計時
    する時計手段と、 該計時手段の計時結果に基いて可聴音を発生す
    る可聴音発生手段とを設けたことを特徴とする電
    話機。
JP2118190U 1990-03-01 1990-03-01 Pending JPH03113556U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2118190U JPH03113556U (ja) 1990-03-01 1990-03-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2118190U JPH03113556U (ja) 1990-03-01 1990-03-01

Publications (1)

Publication Number Publication Date
JPH03113556U true JPH03113556U (ja) 1991-11-20

Family

ID=31524239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2118190U Pending JPH03113556U (ja) 1990-03-01 1990-03-01

Country Status (1)

Country Link
JP (1) JPH03113556U (ja)

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