Broadcasting receiver

Details Broadcasting receiver Broadcasting receiver

2006-06-20

2009-10-20

Miller, John W (Department: 2421)

Interactive video distribution systems

Video distribution system with upstream communication

Receiver

Reexamination Certificate

active

07607162

ABSTRACT:
Discloses is a broadcasting receiver including: a receiver; a broadcast program output unit; a channel storage unit to store a physical channel correlated to a first virtual channel, the first virtual channel being composed of a first main channel number and a first sub-channel number; a virtual channel acquisition unit to acquire a second virtual channel from the broadcast signal received by the receiver, the second virtual channel being composed of a second main channel number and a second sub-channel number; a virtual channel comparison unit to compare the first virtual channel with the second virtual channel; a storage control unit to allow the channel storage unit to store the second virtual channel in replacement of the first virtual channel, when the virtual channel comparison unit judges that one of the first and second main channel numbers and the first and second sub-channel numbers are different from each other.

REFERENCES:
patent: 5652628 (1997-07-01), Toyoshima et al.
patent: 6766526 (2004-07-01), Ellis
patent: 6775843 (2004-08-01), McDermott
patent: 2005/0100053 (2005-05-01), Kang
patent: 2003-143435 (2003-05-01), None
patent: 2003-153102 (2003-05-01), None
patent: 2004-200866 (2004-07-01), None

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