CA2407321A1 - Two way cable system with noise-free return path - Google Patents

Two way cable system with noise-free return path Download PDF

Info

Publication number
CA2407321A1
CA2407321A1 CA002407321A CA2407321A CA2407321A1 CA 2407321 A1 CA2407321 A1 CA 2407321A1 CA 002407321 A CA002407321 A CA 002407321A CA 2407321 A CA2407321 A CA 2407321A CA 2407321 A1 CA2407321 A1 CA 2407321A1
Authority
CA
Canada
Prior art keywords
frequency band
signals
feeder line
cable system
high frequency
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.)
Abandoned
Application number
CA002407321A
Other languages
English (en)
French (fr)
Inventor
Abdul-Karim Lakhani
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.)
Individual
Original Assignee
ADVANCED INTERACTIVE Inc
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 ADVANCED INTERACTIVE Inc filed Critical ADVANCED INTERACTIVE Inc
Publication of CA2407321A1 publication Critical patent/CA2407321A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/22—Adaptations for optical transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA002407321A 2000-04-25 2001-04-25 Two way cable system with noise-free return path Abandoned CA2407321A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US55762900A 2000-04-25 2000-04-25
US09/557,629 2000-04-25
PCT/CA2001/000556 WO2001082618A2 (en) 2000-04-25 2001-04-25 Two way cable system with noise-free return path

Publications (1)

Publication Number Publication Date
CA2407321A1 true CA2407321A1 (en) 2001-11-01

Family

ID=24226238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002407321A Abandoned CA2407321A1 (en) 2000-04-25 2001-04-25 Two way cable system with noise-free return path

Country Status (6)

Country Link
EP (1) EP1287693A2 (zh)
CN (1) CN1439226A (zh)
AU (1) AU2001252082A1 (zh)
CA (1) CA2407321A1 (zh)
NZ (1) NZ522452A (zh)
WO (1) WO2001082618A2 (zh)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881362A (en) * 1994-11-30 1999-03-09 General Instrument Corporation Of Delaware Method of ingress noise reduction in calbe return paths
CN1174639A (zh) * 1995-01-30 1998-02-25 摩托罗拉公司 净化频带的方法和系统
DE19531118A1 (de) * 1995-08-24 1997-02-27 Sel Alcatel Ag Elektrisches Übertragungssystem, mit einem Breitbandverteilnetz für TV- und Audio-Signale, und mit einer Möglichkeit für interaktive Dienste
EP0762766A3 (en) * 1995-09-12 1997-11-05 AT&T Corp. Network apparatus and method for providing two-way broadband communications

Also Published As

Publication number Publication date
CN1439226A (zh) 2003-08-27
NZ522452A (en) 2004-07-30
WO2001082618A3 (en) 2002-04-11
WO2001082618A2 (en) 2001-11-01
EP1287693A2 (en) 2003-03-05
AU2001252082A1 (en) 2001-11-07
WO2001082618A9 (en) 2001-12-06

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 20050127