JPS63159980U - - Google Patents

Info

Publication number
JPS63159980U
JPS63159980U JP5365087U JP5365087U JPS63159980U JP S63159980 U JPS63159980 U JP S63159980U JP 5365087 U JP5365087 U JP 5365087U JP 5365087 U JP5365087 U JP 5365087U JP S63159980 U JPS63159980 U JP S63159980U
Authority
JP
Japan
Prior art keywords
amplifier
switch circuit
trunk
path
transmission
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
JP5365087U
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 JP5365087U priority Critical patent/JPS63159980U/ja
Publication of JPS63159980U publication Critical patent/JPS63159980U/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を示すブロツク図、第
2図は従来の双方向CATV中継器のブロツク図
である。 1,5,6……増幅器、2,3,9……スイツ
チ、4……高域フイルタ、7,11……制御部、
8,10……分波器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 上り幹線用の第1の増幅器と下り幹線用の第2
    の増幅器と上り分岐側の送信用の第3の増幅器と
    を有する双方向CATV中継器において、直接接
    続の経路およびフイルタを介設した少くとも1本
    の径路から成る複数の径路のうちの1本を選択し
    て前記第3の増幅器の出力端から前記第1の増幅
    器の入力端へ接続するスイツチ回路を設けた帯域
    切替手段と、前記幹線の伝送信号中に含まれてい
    る切替制御情報に応答して前記スイツチ回路の接
    続選択を制御する制御部とを、備えていることを
    特徴とする双方向CATV中継器。
JP5365087U 1987-04-08 1987-04-08 Pending JPS63159980U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5365087U JPS63159980U (ja) 1987-04-08 1987-04-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5365087U JPS63159980U (ja) 1987-04-08 1987-04-08

Publications (1)

Publication Number Publication Date
JPS63159980U true JPS63159980U (ja) 1988-10-19

Family

ID=30879912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5365087U Pending JPS63159980U (ja) 1987-04-08 1987-04-08

Country Status (1)

Country Link
JP (1) JPS63159980U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486084A (ja) * 1990-07-27 1992-03-18 Nec Corp 双方向catv中継器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295115A (en) * 1976-02-06 1977-08-10 Matsushita Electric Ind Co Ltd Ascending circuit connecting method in two-ways catv system
JPS60160283A (ja) * 1984-01-31 1985-08-21 Toshiba Corp ケ−ブルテレビジヨンシステムのリバ−ス信号伝送装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295115A (en) * 1976-02-06 1977-08-10 Matsushita Electric Ind Co Ltd Ascending circuit connecting method in two-ways catv system
JPS60160283A (ja) * 1984-01-31 1985-08-21 Toshiba Corp ケ−ブルテレビジヨンシステムのリバ−ス信号伝送装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486084A (ja) * 1990-07-27 1992-03-18 Nec Corp 双方向catv中継器

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