JPS6381432U - - Google Patents

Info

Publication number
JPS6381432U
JPS6381432U JP17436386U JP17436386U JPS6381432U JP S6381432 U JPS6381432 U JP S6381432U JP 17436386 U JP17436386 U JP 17436386U JP 17436386 U JP17436386 U JP 17436386U JP S6381432 U JPS6381432 U JP S6381432U
Authority
JP
Japan
Prior art keywords
pulse
detecting
signal
rest period
train
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
JP17436386U
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 JP17436386U priority Critical patent/JPS6381432U/ja
Publication of JPS6381432U publication Critical patent/JPS6381432U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図はこの考案にかかる着信検出装置の実施
例を示す図、第2図a乃至cは第1図における各
部の信号波形を示す図、第3図は従来の着信検出
装置を示す図である。 1……マイクロコンピユータ、1a……パルス
幅検出部、1b……パルス数検出部、1c……休
止期間検出部、1d……繰返し検出部、2……D
C電圧検出手段、l……電話回線。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話回線からの信号を波形整形しパルス信号を
    出力する波形整形手段と、前記波形整形されたパ
    ルス信号のパルス幅及びパルス休止幅を検出する
    パルス検出手段と、前記パルス信号の連続するパ
    ルス列の数を検出するパルス数検出手段と、前記
    連続パルス列の休止期間を検出するパルス列休止
    期間検出手段と、前記連続パルス列及びパルス休
    止期間の繰返し回数を検出する繰返し回数検出手
    段とを備えたことを特徴とする着信検出装置。
JP17436386U 1986-11-13 1986-11-13 Pending JPS6381432U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17436386U JPS6381432U (ja) 1986-11-13 1986-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17436386U JPS6381432U (ja) 1986-11-13 1986-11-13

Publications (1)

Publication Number Publication Date
JPS6381432U true JPS6381432U (ja) 1988-05-28

Family

ID=31112675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17436386U Pending JPS6381432U (ja) 1986-11-13 1986-11-13

Country Status (1)

Country Link
JP (1) JPS6381432U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361905A (en) * 1976-11-16 1978-06-02 Tokyo Rokuon Kougiyou Kk Telephone calling signal detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361905A (en) * 1976-11-16 1978-06-02 Tokyo Rokuon Kougiyou Kk Telephone calling signal detector

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