JPH0427684U - - Google Patents

Info

Publication number
JPH0427684U
JPH0427684U JP1990069020U JP6902090U JPH0427684U JP H0427684 U JPH0427684 U JP H0427684U JP 1990069020 U JP1990069020 U JP 1990069020U JP 6902090 U JP6902090 U JP 6902090U JP H0427684 U JPH0427684 U JP H0427684U
Authority
JP
Japan
Prior art keywords
signal
demodulating
viewing facility
data
uplink signal
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
JP1990069020U
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 JP1990069020U priority Critical patent/JPH0427684U/ja
Publication of JPH0427684U publication Critical patent/JPH0427684U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Television Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

【図面の簡単な説明】
第1図は本考案による共同聴視施設用上り信号
中継装置の一実施例のブロツク図、第2図は同実
施例の中継装置が設けられる双方向用増幅器の一
例のブロツク図、第3図は同実施例の中継装置で
使用されるデータのフオーマツトを示す図、第4
図は同実施例のフローチヤート、第5図は従来の
双方向用共同聴視施設のブロツク図である。 46……復調部、48……CPU(判定手段)
、50……送信部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 共同聴視施設用上り信号を復調してデータとす
    る復調手段と、復調されたデータ信号が適性であ
    るか否か判定する判定手段と、上記判定結果が適
    性となつたとき作動し上記復調されたデータ信号
    で搬送波を変調して上り信号を生成する変調手段
    とを、備える共同聴視施設用上り信号中継装置。
JP1990069020U 1990-06-28 1990-06-28 Pending JPH0427684U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990069020U JPH0427684U (ja) 1990-06-28 1990-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990069020U JPH0427684U (ja) 1990-06-28 1990-06-28

Publications (1)

Publication Number Publication Date
JPH0427684U true JPH0427684U (ja) 1992-03-05

Family

ID=31603968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990069020U Pending JPH0427684U (ja) 1990-06-28 1990-06-28

Country Status (1)

Country Link
JP (1) JPH0427684U (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153139A (en) * 1976-06-15 1977-12-20 Matsushita Electric Works Ltd Interior power line carrier system
JPS62107565A (ja) * 1985-11-05 1987-05-18 Fujitsu Ltd 蓄積情報誤り検出方法
JPS62234482A (ja) * 1986-04-04 1987-10-14 Matsushita Electric Ind Co Ltd 双方向catvシステム
JPS63123239A (ja) * 1986-11-13 1988-05-27 Nec Corp 双方向catvシステムにおける上りデ−タ信号再生中継装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153139A (en) * 1976-06-15 1977-12-20 Matsushita Electric Works Ltd Interior power line carrier system
JPS62107565A (ja) * 1985-11-05 1987-05-18 Fujitsu Ltd 蓄積情報誤り検出方法
JPS62234482A (ja) * 1986-04-04 1987-10-14 Matsushita Electric Ind Co Ltd 双方向catvシステム
JPS63123239A (ja) * 1986-11-13 1988-05-27 Nec Corp 双方向catvシステムにおける上りデ−タ信号再生中継装置

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