发明名称 |
Wireless infrastructure for broadcasting with return channel |
摘要 |
Infrastructure for interactive broadcasting is provided using a wide area network for bi-directional transmission between a plurality of user nodes and a central source node, at least some of the user nodes comprising rooftop video broadcast receiving installations modified with a terrestrial bi-directional antenna and network transmission support electronics.
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申请公布号 |
US2005068915(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20040810552 |
申请日期 |
2004.03.29 |
申请人 |
WI NETWORKS INC.;WI NETWORKS LTD. |
发明人 |
ATAD EFRAIM;HARPAK OFER;EFRON EITAN |
分类号 |
H04H40/90;H04H60/95;H04L12/28;H04L12/56;H04N7/10;H04N7/173;H04N7/20;(IPC1-7):H04B7/185 |
主分类号 |
H04H40/90 |
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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