AR000503A1 - Sistema de comunicaciones distribuido de circuito digital que emplea un cable coaxil - Google Patents

Sistema de comunicaciones distribuido de circuito digital que emplea un cable coaxil

Info

Publication number
AR000503A1
AR000503A1 AR33456495A AR33456495A AR000503A1 AR 000503 A1 AR000503 A1 AR 000503A1 AR 33456495 A AR33456495 A AR 33456495A AR 33456495 A AR33456495 A AR 33456495A AR 000503 A1 AR000503 A1 AR 000503A1
Authority
AR
Argentina
Prior art keywords
telephone
signal
low
digital circuit
distributed digital
Prior art date
Application number
AR33456495A
Other languages
English (en)
Inventor
John F O'neill
Mark J Elder
Stephen H Diaz
Joseph Carey
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Publication of AR000503A1 publication Critical patent/AR000503A1/es

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Un sistema portador de circuito digital distribuido (DDL) de baja potencia y bajo costo que combina senales de televisión y de teléfono transmitidas através de cables coaxiles. El sistema DDL emplea un módulo de derivación pasivo/activo (114)que controla el encaminamiento de las senales telefónica yde video. La senal telefónica corriente abajo de alta frecuencia no es procesada hasta que un terminal de ruteador (110) la convierte en una senal debaja frecuencia para ser transmitida en el canal subdividido de frecuencia más baja. La senal telefónica es luego transmitida de vuelta través del canalsubdividido donde los circuitos activos de cada derivación interceptan la senal telefónica, selecciona la senal requerida y la transmite a una unidad deinterface de red dispuesta en el domicilio del suscriptor.
AR33456495A 1994-12-09 1995-12-11 Sistema de comunicaciones distribuido de circuito digital que emplea un cable coaxil AR000503A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/353,541 US5729824A (en) 1994-12-09 1994-12-09 Distributed digital loop carriers system using coaxial cable

Publications (1)

Publication Number Publication Date
AR000503A1 true AR000503A1 (es) 1997-07-10

Family

ID=23389576

Family Applications (1)

Application Number Title Priority Date Filing Date
AR33456495A AR000503A1 (es) 1994-12-09 1995-12-11 Sistema de comunicaciones distribuido de circuito digital que emplea un cable coaxil

Country Status (4)

Country Link
US (1) US5729824A (es)
EP (1) EP0797880A1 (es)
AR (1) AR000503A1 (es)
WO (1) WO1996018252A1 (es)

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Also Published As

Publication number Publication date
EP0797880A1 (en) 1997-10-01
WO1996018252A1 (en) 1996-06-13
US5729824A (en) 1998-03-17

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