JPH01179648U - - Google Patents

Info

Publication number
JPH01179648U
JPH01179648U JP7621188U JP7621188U JPH01179648U JP H01179648 U JPH01179648 U JP H01179648U JP 7621188 U JP7621188 U JP 7621188U JP 7621188 U JP7621188 U JP 7621188U JP H01179648 U JPH01179648 U JP H01179648U
Authority
JP
Japan
Prior art keywords
telephone
busy
outputs
detected
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.)
Pending
Application number
JP7621188U
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 JP7621188U priority Critical patent/JPH01179648U/ja
Publication of JPH01179648U publication Critical patent/JPH01179648U/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の適用を示すブロツ
ク図である。 1……電話機、2……状態監視回路、3……バ
ツテリ、6a,6b……状態監視用端子、7……
タイマ、8……ランプ、9,10……ダイオード
、21……着信検出回路、27……リレーA、2
3……オフフツク検出回路、24……リレーB、
ra1,ra2,rb1rb2……接点。

Claims (1)

    【実用新案登録請求の範囲】
  1. 呼出し信号を検出すると呼出し信号を検出した
    ことを示す信号を出力し、話中になると話中であ
    ることを示す信号を出力する状態監視用端子を有
    することを特徴とする電話機。
JP7621188U 1988-06-07 1988-06-07 Pending JPH01179648U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7621188U JPH01179648U (ja) 1988-06-07 1988-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7621188U JPH01179648U (ja) 1988-06-07 1988-06-07

Publications (1)

Publication Number Publication Date
JPH01179648U true JPH01179648U (ja) 1989-12-22

Family

ID=31301252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7621188U Pending JPH01179648U (ja) 1988-06-07 1988-06-07

Country Status (1)

Country Link
JP (1) JPH01179648U (ja)

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