专利名称：Integrated television services system发明人：Blahut, Donald Edgar,Szurkowski, Edward
Stanley
申请号：EP94302776.3申请日：19940420公开号：EP0624039A2公开日：19941109
专利附图：
摘要：A system is disclosed for delivering audio and/or video signals to users inconnection with the provision of interactive television services. Various sources of suchsignals are connected to a digital network (10), such as a packet network. Also connected
to such network are control (100) and application (102) processors and interfaces(112,114) to distribution arrangements such as cable television systems (116) andtelephone subscriber loops (118). Each user has a signal converter (130,150) for receivinga digital signal from the distribution arrangement, converting such signal for viewing on aconventional television receiver (134) and transmitting control packets to other elementsof the system. The signal sources can include a data cache (104) for storing recordedvideo and audio materials, a broadcast source (108) for receiving broadcast signals,apparatus (106) for composing multimedia signals from multiple sources, and apparatus(110) for running games. The various elements of the system can be situated at differentgeographical locations and operated by the control and/or application processors(100,102) under software control to provide a variety of interactive television services.
申请人：AT&T Corp.
地址：32 Avenue of the Americas New York, NY 10013-2412 US
国籍：US
代理机构：Buckley, Christopher Simon Thirsk
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