JPH0312557U - - Google Patents

Info

Publication number
JPH0312557U
JPH0312557U JP6822790U JP6822790U JPH0312557U JP H0312557 U JPH0312557 U JP H0312557U JP 6822790 U JP6822790 U JP 6822790U JP 6822790 U JP6822790 U JP 6822790U JP H0312557 U JPH0312557 U JP H0312557U
Authority
JP
Japan
Prior art keywords
telephones
connectors
mentioned
telephone system
connector
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
JP6822790U
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 JP6822790U priority Critical patent/JPH0312557U/ja
Publication of JPH0312557U publication Critical patent/JPH0312557U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の実施例のブロツク図、第２図
及び第３図は第１図に示す実施例の具体的構成例
を示す回路図、第４図は従来のブランチ電話方式
を示すブロツク図である。 主な記号、３，３１，３２，…，……電話機、
４……電話回線、７，７１，７２，…，……ブラ
ンチ接続用電話機コード、８……セキユリテイー
機器、３０１，３０２，８０１，８０２……コネ
クタ（ジヤツク側）、７０１，７０２……コネク
タ（プラグ側）。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話回線に複数の電話機を並列接続するブラン
    チ電話システムに於いて、上記電話機は、少くと
    も通話回路に接続され相互に複式接続された複数
    のコネクタをその筺体に具備し、コネクタ付きコ
    ードによつて複数の電話機の上記コネクタ間を接
    続するようにしたブランチ電話システム。
JP6822790U 1990-06-27 1990-06-27 Pending JPH0312557U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6822790U JPH0312557U (ja) 1990-06-27 1990-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6822790U JPH0312557U (ja) 1990-06-27 1990-06-27

Publications (1)

Publication Number Publication Date
JPH0312557U true JPH0312557U (ja) 1991-02-07

Family

ID=31602479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6822790U Pending JPH0312557U (ja) 1990-06-27 1990-06-27

Country Status (1)

Country Link
JP (1) JPH0312557U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484907A (en) * 1977-12-20 1979-07-06 Toshiba Corp Telephone unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484907A (en) * 1977-12-20 1979-07-06 Toshiba Corp Telephone unit

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