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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0522795 (1974-11-11) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 164 인용 특허 : 0 |
A cable television and communication system is disclosed which is suitable for community antenna television (CATV) closed circuit television (CCTV) and other types of signal distribution systems with service function applications such as for use in hotel, motel, apartment complexes, and the like. Th
In a subscriber television system having a central unit and a plurality of subscriber units interconnected by at least one tree-organized wideband communication link capable of simultaneously carrying a plurality of communication channels, certain channels of which carry information including a plur
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