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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|