KR101007773B1 - 전화선 상에서의 근거리 통신을 위한 장치 - Google Patents
전화선 상에서의 근거리 통신을 위한 장치 Download PDFInfo
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- KR101007773B1 KR101007773B1 KR1020107003184A KR20107003184A KR101007773B1 KR 101007773 B1 KR101007773 B1 KR 101007773B1 KR 1020107003184 A KR1020107003184 A KR 1020107003184A KR 20107003184 A KR20107003184 A KR 20107003184A KR 101007773 B1 KR101007773 B1 KR 101007773B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0003—Interconnection between telephone networks and data networks
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- 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]
- H04L12/2803—Home automation networks
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- 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]
- H04L12/2803—Home automation networks
- H04L12/2838—Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
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- 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]
- H04L12/2803—Home automation networks
- H04L2012/284—Home automation networks characterised by the type of medium used
- H04L2012/2843—Mains power line
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- 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]
- H04L12/2803—Home automation networks
- H04L2012/284—Home automation networks characterised by the type of medium used
- H04L2012/2845—Telephone line
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- 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]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/285—Generic home appliances, e.g. refrigerators
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Abstract
Description
도 1은 주택 또는 빌딩에 대한 공통적인 종래 기술의 전화선 배선 구성을 도시한다.
도 2는 주택 또는 빌딩에 대한 전화선 배선에 기초한 종래 기술의 근거리 통신망을 도시한다.
도 3은 근거리 통신망을 위한 본 발명에 따른 전화선 배선에 대한 수정예를 도시한다.
도 4는 통상의 전화 서비스 동작을 지원하기 위해 본 발명에 따른 전화선 배선에 대한 수정예를 도시한다.
도 5는 본 발명에 따른 스플리터를 도시한다.
도 6은 본 발명에 따른 전화선들에 기초한 근거리 통신망을 도시한다(여기서 네트워크는 인접 콘센트들에서 2개의 장치들을 지원함).
도 7은 본 발명에 따른 전화선들에 기초한 근거리 통신망의 제1 실시예를 도시한다(여기서 네트워크는 비인접 네트워크 콘센트들에서 2개의 장치를 지원함).
도 8은 본 발명에 따른 전화선들에 기초한 근거리 통신망의 제2 실시예를 도시한다(여기서 네트워크는 인접 콘센트들에서 3개의 장치들을 지원함).
도 9는 본 발명에 따른 전화선들에 기초한 근거리 통신망의 제3 실시예를 도시한다(여기서 네트워크는 버스 타입 네트워크임).
도 10은 본 발명에 따른 전화선들에 기초한 근거리 통신망의 노드를 도시한다.
도 11a는 본 발명에 따른 전화선들에 기초한 근거리 통신망의 제4 실시예를 도시한다.
도 11b는 개별 세그먼트들로 분리되지 않는 전화 배선들과 함께 사용하기 위한 본 발명의 실시예를 도시한다.
도 12는 기존의 전화 시스템을 업그레이드하기 위한 본 발명에 따른 설치 방법의 단계들의 시퀀스를 도시한 플로우차트이다.
도 13은 전화 시스템을 근거리 데이터 네트워크로 업그레이드하기 위한 본 발명에 따른 기본 키트의 구성 요소들을 도시한다.
31a, 31b, 31c, 31d: 네트워크 콘센트
16: 접속 박스
15a, 15b, 15c, 15d, 15e: 세그먼트
32a, 32b, 32c, 32d: 커넥터
41a, 41b, 41c, 41d: 점퍼
50:스플리터
54, 55: 포트
Claims (52)
- 제1, 제2 및 제3 전화 와이어 쌍 - 상기 제1, 제2 및 제3 전화 와이어 쌍 각각은 두 개의 도전체를 포함하고, 아날로그 전화 주파수 대역의 아날로그 전화 신호와, 상기 아날로그 전화 주파수 대역과는 별개이고 상기 아날로그 전화 주파수 대역보다 높은 디지털 데이터 주파수 대역의 양방향 디지털 데이터 신호를 운반하도록 접속됨 - 과 함께 이용하기 위한 디지털 접속 다중화기 장치(digital access multiplexer apparatus)로서,
상기 제1, 제2 및 제3 전화 와이어 쌍에 각각 접속하기 위한 제1, 제2 및 제3 와이어링 커넥터(wiring connector);
상기 제1, 제2 및 제3 와이어링 커넥터에 각각 접속되는 제1, 제2 및 제3 저역 통과 필터 - 상기 저역 통과 필터 각각은 실질적으로 상기 아날로그 전화 주파수 대역의 신호만 통과시키도록 동작함 - ;
전화 장치(telephony device)에 접속 가능하고, 상기 제1 저역 통과 필터에 접속되는 전화 커넥터;
상기 제1, 제2 및 제3 와이어링 커넥터에 각각 접속되는 제1, 제2 및 제3 고역 통과 필터 - 상기 고역 통과 필터 각각은 실질적으로 상기 디지털 데이터 주파수 대역의 신호만 통과시키도록 동작함 - ;
상기 제1, 제2 및 제3 고역 통과 필터에 각각 접속되는 제1, 제2 및 제3 전화선 모뎀(telephone line modem) - 상기 전화선 모뎀 각각은 상기 디지털 데이터 주파수 대역에서 단일 짝 모뎀(a single mating modem)과 디지털 데이터를 양방향으로 통신하도록 동작함 - ;
데이터 유닛에 접속 가능한 LAN 커넥터;
상기 데이터 유닛과 패킷 기반 전이중 통신을 하기 위한, 상기 LAN 커넥터에 접속되는 송수신기(transceiver);
데이터를 공유하기 위해, 상기 송수신기에 접속되고, 상기 제1, 제2 및 제3 전화선 모뎀에 접속되는 라우터; 및
상기 제1, 제2 및 제3 저역 통과 필터, 상기 제1, 제2 및 제3 고역 통과 필터, 상기 제2 커넥터, 상기 제1, 제2 및 제3 전화선 라인 모뎀, 상기 LAN 커넥터, 상기 송수신기 및 상기 라우터를 하우징하는 단일 인클로저
를 포함하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 송수신기는 동일한 짝 송수신기(identical mating transceiver)와 포인트-투-포인트 패킷 기반 전이중 통신을 하도록 동작하는 LAN 송수신기인, 디지털 접속 다중화기 장치. - 제2항에 있어서,
상기 포인트-투-포인트 패킷 기반 전이중 통신은 IEEE802.3 표준에 부합하고, 상기 LAN 커넥터는 RJ-45인, 디지털 접속 다중화기 장치. - 제2항에 있어서,
상기 포인트-투-포인트 패킷 기반 전이중 통신은 10BaseT 또는 100BaseT에 부합하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 전화선 모뎀들 중 적어도 하나는 기존의 POTS-서비스 전화 와이어 쌍을 통해 상기 디지털 데이터 신호를 전달(conduct)하도록 동작하는, 디지털 접속 다중화기 장치. - 제5항에 있어서,
상기 전화선 모뎀들 모두가 기존의 POTS-서비스 전화 와이어 쌍을 통해 상기 디지털 데이터 신호를 전달하도록 동작하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 전화선 모뎀들 중 적어도 하나는 기존의 포인트-투-포인트 POTS-서비스 전화 와이어 쌍을 통한 전이중 통신을 위해 동작하는, 디지털 접속 다중화기 장치. - 제7항에 있어서,
상기 전화선 모뎀들 모두가 기존의 포인트-투-포인트 POTS-서비스 전화 와이어 쌍을 통한 전이중 통신을 위해 동작하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 전화선 모뎀들 중 적어도 하나는 DSL 기반형인, 디지털 접속 다중화기 장치. - 제9항에 있어서,
상기 전화선 모뎀들 모두가 DSL 기반형인, 디지털 접속 다중화기 장치. - 제10항에 있어서,
상기 전화선 모뎀들 모두가 ADSL 기반형인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 패킷 기반 통신은 인터넷 프로토콜에 기초하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 제1, 제2 및 제3 고역 통과 필터 중 각 대응하는 것(a respective one)과 상기 제1, 제2 및 제3 전화선 모뎀 중 각 대응하는 것(a respective one) 사이에 각각 접속되고, 상기 디지털 데이터 주파수 대역에서 상기 제1, 제2 및 제3 전화 와이어 쌍 중에 각 대응하는 전화 와이어 쌍(the respective)으로부터 수신된 신호를 실질적으로 종결(terminating)시키기 위한, 제1, 제2 및 제3 종단 장치(terminator)를 더 포함하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 빌딩의 벽에 부착 가능한, 디지털 접속 다중화기 장치. - 제14항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 상기 빌딩의 외벽에 설치 가능(mountable)한, 디지털 접속 다중화기 장치. - 삭제
- 제1항에 있어서,
상기 제1, 제2 및 제3 와이어링 커넥터가 하나의 커넥터 어셈블리의 일부분들인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 전화선 커넥터는 표준 전화 커넥터인, 디지털 접속 다중화기 장치. - 제18항에 있어서,
상기 전화선 커넥터는 RJ-11 타입 커넥터인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 주파수 분할 다중화(frequency division multiplexing)를 이용하고,
상기 디지털 데이터 주파수 대역은, 각각 디지털 데이터를 운반하는 복수의 개별적 주파수 부대역들(sub-bands)을 포함하고, 상기 전화선 모뎀들 중 적어도 하나는 상기 주파수 부대역들에 속한 상기 디지털 데이터를 전달하도록 동작하고, 각각의 상기 주파수 부대역에 속한 상기 데이터의 적어도 일부는 상기 다른 주파수 부대역들을 통하여 운반되는 상기 데이터와 별개인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 주파수 분할 다중화를 이용하고,
상기 디지털 데이터 주파수 대역은, 각각 디지털 데이터를 운반하는 복수의 개별적 주파수 부대역들을 포함하고, 상기 전화선 모뎀들 모두가 상기 주파수 부대역들에 속한 상기 디지털 데이터를 전달하도록 동작하고, 각각의 상기 주파수 부대역에 속한 상기 데이터의 적어도 일부는 상기 다른 주파수 부대역들을 통하여 운반되는 상기 데이터와 별개인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 시간 분할 다중화(time division multiplexing)를 이용하고,
상기 전화 와이어 쌍들 중 하나를 통하여 운반되는 적어도 일부의 디지털 데이터는 복수의 개별적인 데이터 스트림들을 포함하고, 상기 디지털 접속 다중화기 장치는 상기 데이터 스트림들 중 적어도 하나를 상기 LAN 커넥터와 대응하는 상기 와이어링 커넥터(the respective wiring connector) 사이에서 통과시키도록 더 동작하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 시간 분할 다중화를 이용하고,
상기 전화 와이어 쌍들 모두를 통하여 운반되는 상기 디지털 데이터는 복수의 개별적인 데이터 스트림들을 포함하고, 상기 디지털 접속 다중화기 장치는 상기 데이터 스트림들 중 적어도 하나를 상기 LAN 커넥터와 대응하는 상기 와이어링 커넥터(the respective wiring connector) 사이에서 통과시키도록 더 동작하는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 제1, 제2 및 제3 저역 통과 필터는 서로 동일(identical)하고, 상기 제1, 제2 및 제3 고역 통과 필터는 서로 동일하며, 상기 제1, 제2 및 제3 전화선 모뎀은 서로 동일하고, 상기 제1, 제2 및 제3 전화 와이어 쌍을 통해 전달되는 데이터에 대해 동일한 프로토콜이 이용되는, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는, 상기 전화 와이어 쌍들 중 적어도 하나를 통해 운반되는 전력 신호에 의해 전력을 공급받는, 디지털 접속 다중화기 장치. - 제25항에 있어서,
상기 전력 신호는 AC 전력 신호인, 디지털 접속 다중화기 장치. - 제1항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 디지털 데이터 네트워크에서 어드레싱 가능(addressable)한, 디지털 접속 다중화기 장치. - 제27항에 있어서,
상기 디지털 접속 다중화기 장치는 또한 LAN에서 어드레싱 가능한, 디지털 접속 다중화기 장치. - 복수의 전화 와이어 쌍을 통하여 디지털 데이터 및 아날로그 전화 신호들을 전송하기 위한 네트워크로서,
제1, 제2 및 제3 전화 와이어 쌍 - 상기 제1, 제2 및 제3 전화 와이어 쌍은 각각 아날로그 전화 주파수 대역의 아날로그 신호들과 상기 아날로그 전화 주파수 대역과는 별개이고 상기 아날로그 전화 주파수 대역보다 높은 각각의 디지털 데이터 주파수 대역의 디지털 데이터를 전달하도록 접속된 두 개의 도전체를 포함함 - ;
상기 제1, 제2 및 제3 전화 와이어 쌍에 접속되고, 라우터를 포함하는 디지털 접속 다중화기 장치 - 상기 디지털 접속 다중화기 장치는 제4 디지털 데이터 유닛에 접속 가능하고 아날로그 전화 서비스에 접속 가능하며, 상기 디지털 접속 다중화기 장치는 상기 제4 디지털 데이터 유닛과 표준형(standard-based) 패킷 기반 전이중 통신을 하도록 동작하고, 상기 라우터는 상기 제1, 제2 및 제3 전화 와이어 쌍의 상기 디지털 데이터 주파수 대역들에서의 상기 디지털 데이터를 상기 제4 디지털 데이터 유닛으로 결합시키도록 동작하며, 상기 디지털 접속 다중화기 장치는 상기 아날로그 전화 주파수 대역들 중 적어도 하나에 속한 상기 아날로그 신호들을 상기 아날로그 전화 서비스에 결합시키도록 동작함 - ; 및
제1, 제2 및 제3 원격 장치 - 상기 제1, 제2 및 제3 원격 장치 각각은 상기 제1, 제2 및 제3 전화 와이어 쌍 중 각 대응하는 것에 접속되고, 상기 원격 장치들 각각은 제1, 제2 및 제3 디지털 데이터 유닛 중 각 대응하는 것(a respective one)과 아날로그 전화 세트에 접속 가능하며, 상기 제1, 제2 및 제3 원격 장치 각각은 상기 제1, 제2 및 제3 디지털 데이터 유닛 중 각 대응하는 것과 표준형 패킷 기반 전이중 통신을 위하여 동작하고, 상기 원격 장치 각각은 각 대응하는 디지털 데이터 주파수 대역에 속한 디지털 데이터를 각 대응하는 디지털 데이터 유닛에 배치(place)하고 그 각 대응하는 디지털 데이터 유닛으로부터 가져오고, 각 대응하는 아날로그 전화 주파수 대역에 속한 아날로그 신호들을 각 대응하는 아날로그 전화 세트에 배치하고 그 각 대응하는 아날로그 전화 세트로부터 가져오도록 동작함 -
를 포함하고,
상기 디지털 접속 다중화기 장치와, 상기 제1, 제2 및 제3 원격 장치 각각은 대응하는 단일 인클로저에 하우징되는, 네트워크. - 제29항에 있어서,
상기 디지털 접속 다중화기 장치와, 상기 제1, 제2 및 제3 원격 장치 각각은 디지털 데이터 네트워크에서 어드레싱 가능한, 네트워크. - 제30항에 있어서,
상기 디지털 데이터 네트워크는 LAN인, 네트워크. - 제29항에 있어서,
상기 표준형 패킷 기반 전이중 통신은 IEEE802.3 표준에 부합하고 인터넷 프로토콜에 기초하며, 각각의 상기 디지털 데이터 유닛으로의 접속은 RJ-45 커넥터에 기초하는, 네트워크. - 제32항에 있어서,
상기 표준형 패킷 기반 전이중 통신은 10BaseT 또는 100BaseT 표준에 부합하는, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 중 적어도 하나의 적어도 일부가 기존의 POTS-서비스 전화 와이어 쌍을 포함하는, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 중 적어도 하나의 적어도 일부가 기존의 POTS-서비스 전화 와이어 쌍을 포함하는, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 중 적어도 하나를 통한 통신은 DSL 기반형인, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 모두를 통한 통신이 DSL 기반형인, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 모두를 통한 통신이 ADSL 기반형인, 네트워크. - 제29항에 있어서,
상기 장치들 중 적어도 하나의 상기 인클로저가 빌딩의 벽에 부착 가능한, 네트워크. - 제39항에 있어서,
상기 장치들 중 적어도 하나의 상기 인클로저가 빌딩의 외벽에 부착 가능한, 네트워크. - 제29항에 있어서,
상기 장치들 중 적어도 하나의 상기 인클로저가 적어도 부분적으로 콘센트 내에 하우징되는, 네트워크. - 제29항에 있어서,
상기 제1, 제2 및 제3 원격 장치들은 서로 동일한, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 모두를 통한 통신에 동일한 프로토콜이 이용되는, 네트워크. - 제29항에 있어서,
상기 디지털 데이터 주파수 대역 - 상기 디지털 데이터 주파수 대역에 속한 데이터가 상기 전화 와이어 쌍들 중 적어도 하나에 의해 운반됨 - 은 복수의 개별적인 주파수 부대역들을 포함하고, 하나의 주파수 부대역에 속한 상기 데이터의 적어도 일부는 상기 다른 주파수 부대역들을 통해 운반되는 상기 데이터와는 별개인, 네트워크. - 제29항에 있어서,
상기 디지털 데이터 주파수 대역 - 상기 디지털 데이터 주파수 대역에 속한 데이터가 상기 전화 와이어 쌍들 중 각각에 의해 운반됨 - 은 복수의 개별적인 주파수 부대역들을 포함하고, 하나의 주파수 부대역에 속한 상기 데이터의 적어도 일부는 상기 다른 주파수 부대역들을 통해 운반되는 상기 데이터와는 별개인, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 중 적어도 하나는 또한 전력 신호를 운반하도록 접속되는, 네트워크. - 제46항에 있어서,
상기 장치들 중 적어도 하나는 상기 전화 와이어 쌍들 중 상기 적어도 하나를 통해 운반되는 상기 전력 신호에 의해 적어도 부분적으로 전력을 공급받도록 접속된, 네트워크. - 제46항에 있어서,
상기 전력 신호는 AC 전력 신호인, 네트워크. - 제29항에 있어서,
상기 디지털 데이터 주파수 대역에 속한 상기 전화 와이어 쌍들 중 하나에 의해 운반되는 디지털 데이터는 상기 디지털 데이터 주파수 대역에 속한 상기 전화 와이어 쌍들 중 다른 것들에 의해 운반되는 디지털 데이터와는 다른 것인, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 중 적어도 하나는 적어도 부분적으로 빌딩의 벽 안에 있고 전화 콘센트에 의해 종결되며(terminated), 상기 원격 장치들 각각은 상기 전화 콘센트를 통해 상기 전화 와이어 쌍들 중 상기 적어도 하나에 접속되는, 네트워크. - 제29항에 있어서,
상기 전화 와이어 쌍들 각각은 상기 디지털 접속 다중화기 장치와 상기 원격 장치들 중 각 대응하는 것을 포인트-투-포인트 접속에 의해 접속시키는, 네트워크. - 제29항에 있어서,
각각 서로 다른 빌딩에 위치한 적어도 두 개의 상기 디지털 접속 다중화기 장치를 포함하고, 상기 원격 장치들 중 적어도 두 개가 서로 다른 빌딩에 위치하는, 네트워크.
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| US09/531,692 | 2000-03-20 | ||
| US09/531,692 US6549616B1 (en) | 2000-03-20 | 2000-03-20 | Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets |
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| KR1020077028079A Expired - Fee Related KR100927938B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020097018150A Expired - Fee Related KR100965363B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020027012421A Ceased KR20020087094A (ko) | 2000-03-20 | 2001-03-12 | 전화선을 통한 근거리 통신망을 위한 전화 콘센트 및 시스템 |
| KR1020097006508A Expired - Fee Related KR100933134B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020107024026A Expired - Fee Related KR101095182B1 (ko) | 2000-03-20 | 2001-03-12 | 콘센트 |
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| KR1020077028079A Expired - Fee Related KR100927938B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020097018150A Expired - Fee Related KR100965363B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020027012421A Ceased KR20020087094A (ko) | 2000-03-20 | 2001-03-12 | 전화선을 통한 근거리 통신망을 위한 전화 콘센트 및 시스템 |
| KR1020097006508A Expired - Fee Related KR100933134B1 (ko) | 2000-03-20 | 2001-03-12 | 전화선 상에서의 근거리 통신을 위한 장치 |
| KR1020107024026A Expired - Fee Related KR101095182B1 (ko) | 2000-03-20 | 2001-03-12 | 콘센트 |
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| CA (1) | CA2403513C (ko) |
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