Multiplex communications – Communication techniques for information carried in plural... – Transmission bandwidth conservation
Reexamination Certificate
2007-11-06
2007-11-06
Chin, Wellington (Department: 2616)
Multiplex communications
Communication techniques for information carried in plural...
Transmission bandwidth conservation
C370S312000, C370S432000, C725S035000
Reexamination Certificate
active
10800581
ABSTRACT:
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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Arsenault Robert G.
Godwin John P.
Chin Wellington
Elallam Ahmed
The DIRECTV Group Inc.
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