JPH0322459U - - Google Patents

Info

Publication number
JPH0322459U
JPH0322459U JP8230289U JP8230289U JPH0322459U JP H0322459 U JPH0322459 U JP H0322459U JP 8230289 U JP8230289 U JP 8230289U JP 8230289 U JP8230289 U JP 8230289U JP H0322459 U JPH0322459 U JP H0322459U
Authority
JP
Japan
Prior art keywords
terminal device
telephone line
detection signal
subscriber
line
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
JP8230289U
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 JP8230289U priority Critical patent/JPH0322459U/ja
Publication of JPH0322459U publication Critical patent/JPH0322459U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の端末装置の一実施例の要部回
路図である。 1……加入者電話回線、2……局電源、6……
回線極性判定手段、8……主要回路部、7……ス
イツチ手段、9……制御手段。

Claims (1)

    【実用新案登録請求の範囲】
  1. 加入電話回線に、電話機と電話信号以外の信号
    で通信を行なうために接続される端末装置におい
    て、該端末装置は、局電源を該端末装置の動作電
    源として利用するため、前記加入者電話回線に接
    続され該加入者電話回線の電位に応じて異なる検
    出信号を呈する回線極性判定手段と、該回線極性
    判定手段にスイツチ手段を介して接続され前記局
    電源によつて駆動される端末装置の主要回路部と
    、前記検出信号を受け該検出信号に応じて前記ス
    イツチ手段の開閉を制御する制御手段とを備えて
    いることを特徴とする端末装置。
JP8230289U 1989-07-13 1989-07-13 Pending JPH0322459U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8230289U JPH0322459U (ja) 1989-07-13 1989-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8230289U JPH0322459U (ja) 1989-07-13 1989-07-13

Publications (1)

Publication Number Publication Date
JPH0322459U true JPH0322459U (ja) 1991-03-07

Family

ID=31628986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8230289U Pending JPH0322459U (ja) 1989-07-13 1989-07-13

Country Status (1)

Country Link
JP (1) JPH0322459U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009250157A (ja) * 2008-04-09 2009-10-29 Shintaro Goto 足踏み式エアコンプレッサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009250157A (ja) * 2008-04-09 2009-10-29 Shintaro Goto 足踏み式エアコンプレッサ
JP4533938B2 (ja) * 2008-04-09 2010-09-01 新太郎 後藤 足踏み式エアコンプレッサ

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