水星网卡
专利名称：Multipoint teleconference system employing H. 221 frames
发明人：Yoji Shibata,Masaaki Takizawa
海子最经典的十首短诗申请号：US07/913403
讶组词组申请日：19920715
公开号：US05402418A
公开日：
乘英语
19950328便当菜谱
专利内容由知识产权出版社提供
摘要：A multipoint teleconference system dispensing with an MCU, in which terminals are connected into a loop configuration through an ISDN in such a way that each terminal is coupled with each of the adjacent terminals by a single B channel. Thus, a communication frame is revolved through a looped communication channel. Each terminal enters control information for controlling a multipoint teleconference, into a predetermined area within the communication frame, and it relays the resulting communication frame to the next terminal.
申请人：HITACHI, LTD.
中国书协代理机构：Antonelli, Terry, Stout & Kraus
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