KR890012456A - 신호 분산 회로망 시스템 - Google Patents

신호 분산 회로망 시스템 Download PDF

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Publication number
KR890012456A
KR890012456A KR1019890000509A KR890000509A KR890012456A KR 890012456 A KR890012456 A KR 890012456A KR 1019890000509 A KR1019890000509 A KR 1019890000509A KR 890000509 A KR890000509 A KR 890000509A KR 890012456 A KR890012456 A KR 890012456A
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KR
South Korea
Prior art keywords
signal
controller
network system
local
signal source
Prior art date
Application number
KR1019890000509A
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English (en)
Inventor
박스터 토마스
앤드류 반즈 로버트
Original Assignee
이반 밀러 레르너
엔.브이.필립스 글로아이람펜파브리켄
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 이반 밀러 레르너, 엔.브이.필립스 글로아이람펜파브리켄 filed Critical 이반 밀러 레르너
Publication of KR890012456A publication Critical patent/KR890012456A/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H04B1/207—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver with an audio or audio/video bus for signal distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93—Wired transmission systems
    • H04H60/96—CATV systems
    • H04H60/97—CATV systems using uplink of the CATV systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements

Abstract

내용 없음.

Description

신호 분산 회로망 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 신호 분산 케이블 회로망 시스템의 개략도.
제2도는 제1도의 회로망 시스템에서 사용하기 위한 채널 할당 제어기의 개략도.
제3도는 제1도 회로망 시스템에서 사용하기 위한 로컬 신호원 및 관련된 프로그램 가능한 변조기의 개략도.

Claims (6)

  1. 각각의 캐리어 주파수에 의해 정의되는 복수개의 정보 채널을 제공하도록 허용되는 주파수 분할 멀티플렉싱을 하는 신호 분산 케이블 회로망 시스템이 로컬 신호원에서 상기 회로망에 접속된 신호 목적 수신기까지 정보 신호의 전송을 위한 비사용 채널을 임시로 할당하게 요구하도록 동작 가능한 채널 할당 제어기를 구비하고, 상기 제어기는 상기 할당된 채널의 캐리어 주파수를 동조시키도록 그것을 야기시키는 로컬 신호원 및 신호 목적 수신기까지 동조 정보신호를 전송하기 위한 수단을 포함하는 신호 분산 케이블 회로망 시스템이 있어서, 상기 회로망 시스템은 상기 로컬 신호원이 제어기로부터 동조 정보신호를 수신하도록 접속하는 제1입력과, 로컬 신호원에 의해 발생된 베이스 밴드 비디오/오디오 신호를 수신기까지 접속시키는 제2입력과, 캐리어 신호 주파수를 산출하도록 선택된 채널 캐리어 주파수에 속하는 동저 정보 신호에 응답하는 주파수 발생기와, 상기 캐리어 신호 및 상기 베이스 밴드 비디오/오디오 신호를 수신하도록 접속되는 그리고 상기 전택된 채널상에서 전송하기 위해 변조된 캐리어 신호를 산출하도록 응답하는 변조기를 구비하는 프로그램가능한 변조 장치를 구비하는 것을 특징으로 하는 신호 분산 케이블 회로망 시스템.
  2. 제 1 항에 있어서, 상기 회로망 케이블은 로컬 신호원에 접속되는 업스트림 색숀 및 신호 목적 수신기에 접속되는 다운 스트림 섹숀을 구비하고, 상기 제어기는 업스트림 케이블 색숀에서 다운스트림 케이블 색숀까지 한-방향 정보 신호 통로를 제공하기 위한 수단을 포함하고, 상기 제어기는 로컬 신호원에 의해 발생된 정보신호의 강도를 결정하기 위한 수단 및 레벨 정보 신호로 간주되는 로컬 신호원까지 전송하기 위한 수단을 포함하고 상기 로컬 신호원은 그것에 의해 발생된 정보 신호를 조절하도록 레벨 정보 신호에 응답하는 신호레벨 수단을 포함하는 것을 특징으로 하는 신호 분산 케이블 회로망 시스템.
  3. 제 2 항에 있어서, 각 로컬 신호원에서의 상기 신호 레벨 수단이 변조기의 출력에서 접속되는 전압 제어된 증폭기이고, 디지털-아날로그 변조기를 갖는 서로는 제어기로부터 디지털 레벨 정보신호를 수신하도록 접석되고 그리고 증폭기의 신호 출력을 제어하기 위해 대응하는 제어전압을 산출하도록 동작가능한 것을 특징으로 하는 신호 분산 케이블 회로망 시스템.
  4. 전술한 항 중 어느 한 항에 있어서, 직렬 디지털 데이타 링크가 디지털 정보의 전송을 위한 회로망 케이블 및 제어기와 로컬 신호원 사이의 제어신호 그리고 신호 목적 수신기를 사용하는 회로망 시스템내에 포함되는 것을 특징으로 하는 신호 분산 케이블 회로망 시스템.
  5. 전술한 항 중 어느 한 항에 있어서, 청구된 것과 같은 신호 분산 케이블 회로망 시스템용 채널 할당 제어기.
  6. 청구항 1내지 4항의 어느 한 항에서 청구된 것과 같은 신호 분산 케이블 회로망 시스템용 로컬 신호원 및 관련된 프로그램 가능한 변조기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890000509A 1988-01-22 1989-01-19 신호 분산 회로망 시스템 KR890012456A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8801441A GB2214758A (en) 1988-01-22 1988-01-22 Signal distribution network system
GB8801441 1988-01-22

Publications (1)

Publication Number Publication Date
KR890012456A true KR890012456A (ko) 1989-08-26

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ID=10630384

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890000509A KR890012456A (ko) 1988-01-22 1989-01-19 신호 분산 회로망 시스템

Country Status (9)

Country Link
US (1) US4930120A (ko)
EP (1) EP0325331B1 (ko)
JP (1) JPH027687A (ko)
KR (1) KR890012456A (ko)
AT (1) ATE125083T1 (ko)
DE (1) DE68923384T2 (ko)
ES (1) ES2076950T3 (ko)
FI (1) FI890260A (ko)
GB (1) GB2214758A (ko)

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Also Published As

Publication number Publication date
JPH027687A (ja) 1990-01-11
ES2076950T3 (es) 1995-11-16
GB2214758A (en) 1989-09-06
DE68923384D1 (de) 1995-08-17
DE68923384T2 (de) 1996-03-07
EP0325331A2 (en) 1989-07-26
FI890260A0 (fi) 1989-01-18
GB8801441D0 (en) 1988-02-24
EP0325331A3 (en) 1991-04-24
EP0325331B1 (en) 1995-07-12
ATE125083T1 (de) 1995-07-15
FI890260A (fi) 1989-07-23
US4930120A (en) 1990-05-29

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