JPS6172953U - - Google Patents

Info

Publication number
JPS6172953U
JPS6172953U JP15718584U JP15718584U JPS6172953U JP S6172953 U JPS6172953 U JP S6172953U JP 15718584 U JP15718584 U JP 15718584U JP 15718584 U JP15718584 U JP 15718584U JP S6172953 U JPS6172953 U JP S6172953U
Authority
JP
Japan
Prior art keywords
line
polarity
determining
function
telephone
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
JP15718584U
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 JP15718584U priority Critical patent/JPS6172953U/ja
Publication of JPS6172953U publication Critical patent/JPS6172953U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)

Description

【図面の簡単な説明】
第1図は本考案の概念のブロツク図、第2図は
本考案の一実施例を示す簡略化した回路図である
。 1:回線、2:直流回路閉結スイツチ、3:極
性判別回路(VAB〉Oを検出)、4:極性判別
回路(VAB〈Oを検出)、5:判断装置部、6
:回線極性反転回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話交換網に対して自動的に回線を捕捉し、選
    択信号を発信する機能を持つ装置において、回線
    の極性判別回路及びその判断装置とを設け、回線
    と装置とがどちらの極性で接続されているかを自
    動的に判断し、逆極性に接続された場合でも、装
    置内で対応する機能を設けたことを特徴とする電
    話自動発信装置。
JP15718584U 1984-10-19 1984-10-19 Pending JPS6172953U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15718584U JPS6172953U (ja) 1984-10-19 1984-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15718584U JPS6172953U (ja) 1984-10-19 1984-10-19

Publications (1)

Publication Number Publication Date
JPS6172953U true JPS6172953U (ja) 1986-05-17

Family

ID=30715185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15718584U Pending JPS6172953U (ja) 1984-10-19 1984-10-19

Country Status (1)

Country Link
JP (1) JPS6172953U (ja)

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