发明名称 |
Device and method for efficient delivery of redundant national television signals |
摘要 |
A method and apparatus of broadcasting is provided that has a geographic identifier memory, an overlay memory storing an overlay, a receiver circuit for receiving a broadcast signal and a control circuit. The control circuit displays the overlay on the broadcast signal in response to the geographic identifier.
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申请公布号 |
US2004174835(A1) |
申请公布日期 |
2004.09.09 |
申请号 |
US20040800581 |
申请日期 |
2004.03.15 |
申请人 |
GODWIN JOHN P.;ARSENAULT ROBERT G. |
发明人 |
GODWIN JOHN P.;ARSENAULT ROBERT G. |
分类号 |
H04N7/16;(IPC1-7):H04L12/56 |
主分类号 |
H04N7/16 |
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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