发明名称 Audio on demand system
摘要 the system has a server unit or centre, a distribution network (mainly terrestrial) and connected subscriber terminals with broadband reception and narrowband transmission units from the subscriber to the centre. Each subscriber unit contains a transmitter unit that provides the transmission speeds required to request data independently of defined standards Independent claims are also included for a subscriber unit, a centre for multimedia services and a method for a multimedia service including audio on demand
申请公布号 DE19841541(A1) 申请公布日期 1999.06.02
申请号 DE19981041541 申请日期 1998.09.11
申请人 PUELLEN, RAINER, 47805 KREFELD, DE 发明人
分类号 G07F17/30;(IPC1-7):G06F17/00 主分类号 G07F17/30
代理机构 代理人
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