发明名称 |
METHOD AND APPARATUS FOR TWO-WAY INTERNET ACCESS OVER NETWORK A CATV WITH CHANNEL TRACKING |
摘要 |
Internet access is provided over a digital cable television system using Internet protocol (IP) over MPEG digital video. Simultaneous Internet access and TV viewing is provided by an IP over MPEG-2 video system with channel tracking. Whenever a video channel change is detected, the viewer's Internet connection is routed from one video channel to another video channel so that the Internet connection is dynamically routed and tracks the channel changes made by the viewer. Additionally, if there is no available data carrying capacity in the video channel selected by the viewer ( a "busy" condition), the Internet connection is routed to an out-of-band frequency. The Internet connection tracks the channel changes made by the viewer using a single tuner/digital MPEG decoder in the CATV settop box.
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申请公布号 |
WO0143442(A3) |
申请公布日期 |
2002.01.03 |
申请号 |
WO2000US42591 |
申请日期 |
2000.12.06 |
申请人 |
LIBERATE TECHNOLOGIES, MORECOM DIVISION, INC. |
发明人 |
MAO, WEIDONG;CHEN, DAVID;MIRON, AMI |
分类号 |
H04L12/56;H04N7/16;H04N7/173;(IPC1-7):H04N7/173 |
主分类号 |
H04L12/56 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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