发明名称 DATA ENHANCED MULTI-MEDIA SYSTEM FOR A HEADEND
摘要 A system provides multimedia content by sending first content and second content and providing an indication as to whether the first content is to be presented in synchronization at a display device with the presentation of the second content at an external device.
申请公布号 WO2004055630(A2) 申请公布日期 2004.07.01
申请号 WO2003US39015 申请日期 2003.12.09
申请人 SCIENTIFIC-ATLANTA, INC. 发明人 BOUDREAU, PAUL, A.;RUSS, SAMUEL, H.
分类号 H04N5/00;H04N5/445;H04N7/16;H04N7/173 主分类号 H04N5/00
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