JPH0174657U - - Google Patents

Info

Publication number
JPH0174657U
JPH0174657U JP1987169907U JP16990787U JPH0174657U JP H0174657 U JPH0174657 U JP H0174657U JP 1987169907 U JP1987169907 U JP 1987169907U JP 16990787 U JP16990787 U JP 16990787U JP H0174657 U JPH0174657 U JP H0174657U
Authority
JP
Japan
Prior art keywords
cable
terminals
terminal
wire
base unit
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
JP1987169907U
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 JP1987169907U priority Critical patent/JPH0174657U/ja
Publication of JPH0174657U publication Critical patent/JPH0174657U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Description

【図面の簡単な説明】
図は本考案の一実施例を示す構成図である。 A,B,C,D,E,F,G,H……端末機、
I……親機、1,2……ケーブル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 各室に配置される少なくとも3つの端末機と、
    これらの端末機のうちの2つの端末機を選択的に
    接続する親機と、前記端末機のそれぞれと前記親
    機とを接続する2線の第1ケーブル及び2線の第
    2ケーブルとを備え、前記第1ケーブルにより相
    手端末機選択制御信号及び相手端末機への高声信
    号を伝送し、かつ前記第2ケーブルにより相手端
    末機からの高声信号を伝送することを特徴とする
    室間連絡電話装置。
JP1987169907U 1987-11-05 1987-11-05 Pending JPH0174657U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987169907U JPH0174657U (ja) 1987-11-05 1987-11-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987169907U JPH0174657U (ja) 1987-11-05 1987-11-05

Publications (1)

Publication Number Publication Date
JPH0174657U true JPH0174657U (ja) 1989-05-19

Family

ID=31460380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987169907U Pending JPH0174657U (ja) 1987-11-05 1987-11-05

Country Status (1)

Country Link
JP (1) JPH0174657U (ja)

Similar Documents

Publication Publication Date Title
JPH0174657U (ja)
JPS6423155U (ja)
JPS6378456U (ja)
JPS62159000U (ja)
JPH0241541U (ja)
JPH0447796U (ja)
JPH0324741U (ja)
JPS62159044U (ja)
JPH0257657U (ja)
JPH02145851U (ja)
JPS63174757U (ja)
JPH01153763U (ja)
JPS6266454U (ja)
JPS61128855U (ja)
JPS61166663U (ja)
JPH0242257U (ja)
JPH0351543U (ja)
JPH01171155U (ja)
JPS63120449U (ja)
JPH0357657U (ja)
JPS61109289U (ja)
JPS6361850U (ja)
JPS6426094U (ja)
JPS6434173U (ja)
JPS6295383U (ja)