发明名称 Data delivery services
摘要 A telecommunications data transmission system can provide transmission of data blocks using a unidirectional broadband link and a duplex narrowband link between two subscribers, the narrowband link providing control and addressing information regarding the data blocks sent via the broadband link from the first to the second subscriber, the transmission on the broadband link possibly being sent using Motion Picture Expert Group 2 encoding.
申请公布号 US6199205(B1) 申请公布日期 2001.03.06
申请号 US19980011618 申请日期 1998.03.20
申请人 MARCONI COMMUNICATIONS LIMITED 发明人 CHOPPING GEOFFREY
分类号 H04B7/185;H04N7/173;(IPC1-7):H04N7/16 主分类号 H04B7/185
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