Broadcast channel change detection apparatus provided with...

Details Broadcast channel change detection apparatus provided with... Broadcast channel change detection apparatus provided with...

2004-07-23

2009-06-09

Lee, M. (Department: 2622)

Television

Receiver circuitry

Tuning

C348S731000

Reexamination Certificate

active

07545445

ABSTRACT:
A broadcast channel change detection apparatus receives a broadcast wave including channel change information that includes a change date and time of a physical channel of the broadcast wave and physical channels before and after the change, and searches and detects channel change plan information including the change date and time regarding the physical channel to be changed in a television receiver apparatus and the physical channels before and after the change, based on the channel change information. Next, the broadcast channel change detection apparatus receives the broadcast wave on the physical channel after the change in the channel change plan information, and judges whether or not the broadcast wave is actually receivable based on the detected channel change plan information, when the change date and time in the channel change plan information is older than or equal to a current date and time.

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Supplementary European Search Report issued May 6, 2008 in Application No. EP 04 74 8086.
English translation of the International Preliminary Report on Patentability issued May 15, 2006 in PCT/JP2004/010878.

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