JPS59161937A - 双方向ｃａｔｖシステムにおける集合雑音抑制方法 - Google Patents

双方向ｃａｔｖシステムにおける集合雑音抑制方法

Info

Publication number
JPS59161937A
JPS59161937A JP58036044A JP3604483A JPS59161937A JP S59161937 A JPS59161937 A JP S59161937A JP 58036044 A JP58036044 A JP 58036044A JP 3604483 A JP3604483 A JP 3604483A JP S59161937 A JPS59161937 A JP S59161937A
Authority
JP
Japan
Prior art keywords
signal
transmitted
signals
video signal
noise
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.)
Granted
Application number
JP58036044A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0552095B2 (enrdf_load_stackoverflow
Inventor
Akira Ando
彰 安藤
Seiji Ikeda
誠二 池田
Yoichi Waratani
藁谷　洋一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miharu Communications Co Ltd
Original Assignee
Miharu Communications Co Ltd
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 by Miharu Communications Co Ltd filed Critical Miharu Communications Co Ltd
Priority to JP58036044A priority Critical patent/JPS59161937A/ja
Publication of JPS59161937A publication Critical patent/JPS59161937A/ja
Publication of JPH0552095B2 publication Critical patent/JPH0552095B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP58036044A 1983-03-07 1983-03-07 双方向ｃａｔｖシステムにおける集合雑音抑制方法 Granted JPS59161937A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58036044A JPS59161937A (ja) 1983-03-07 1983-03-07 双方向ｃａｔｖシステムにおける集合雑音抑制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58036044A JPS59161937A (ja) 1983-03-07 1983-03-07 双方向ｃａｔｖシステムにおける集合雑音抑制方法

Publications (2)

Publication Number Publication Date
JPS59161937A true JPS59161937A (ja) 1984-09-12
JPH0552095B2 JPH0552095B2 (enrdf_load_stackoverflow) 1993-08-04

Family

ID=12458706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58036044A Granted JPS59161937A (ja) 1983-03-07 1983-03-07 双方向ｃａｔｖシステムにおける集合雑音抑制方法

Country Status (1)

Country Link
JP (1) JPS59161937A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262982A (ja) * 1987-04-20 1988-10-31 Fujitsu Ltd 双方向ｃａｔｖシステム
JPH01236873A (ja) * 1988-03-17 1989-09-21 Erubetsukusu Video Kk 閉回路テレビジョン装置
JPH0686284A (ja) * 1991-12-23 1994-03-25 American Teleph & Telegr Co <Att> 双方向ケーブルテレビ用分配システム
US5317392A (en) * 1990-12-26 1994-05-31 Nec Corporation Noise reducing device for up-going signals in bidirectional CATV system
US5557319A (en) * 1994-12-28 1996-09-17 U.S. Philips Corporation Subscriber return system for CATV full service networks
US6094211A (en) * 1996-08-15 2000-07-25 Com21, Inc. TV and data cable system ingress noise blocker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513549A (ja) * 1974-06-26 1976-01-13 Hitachi Ltd Zatsuonboshisochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513549A (ja) * 1974-06-26 1976-01-13 Hitachi Ltd Zatsuonboshisochi

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262982A (ja) * 1987-04-20 1988-10-31 Fujitsu Ltd 双方向ｃａｔｖシステム
JPH01236873A (ja) * 1988-03-17 1989-09-21 Erubetsukusu Video Kk 閉回路テレビジョン装置
US5317392A (en) * 1990-12-26 1994-05-31 Nec Corporation Noise reducing device for up-going signals in bidirectional CATV system
JPH0686284A (ja) * 1991-12-23 1994-03-25 American Teleph & Telegr Co <Att> 双方向ケーブルテレビ用分配システム
US5557319A (en) * 1994-12-28 1996-09-17 U.S. Philips Corporation Subscriber return system for CATV full service networks
US6094211A (en) * 1996-08-15 2000-07-25 Com21, Inc. TV and data cable system ingress noise blocker

Also Published As

Publication number Publication date
JPH0552095B2 (enrdf_load_stackoverflow) 1993-08-04

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