Terrestrial digital TV broadcast signal receiver
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United States of America Patent
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Aug 31, 2010
Issued Date -
N/A
app pub date -
Dec 16, 2005
filing date -
Dec 16, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
In a terrestrial digital TV broadcast signal receiver capable of EPG (Electric Program Guide) display, EPG data are updated in a time as smaller as possible while a use does not watch any TV program, so that the EPG can be displayed in real time just after switching on of an electric power of the terrestrial digital TV broadcast signal receiver. When the electric power is switched off, an EPG data of a channel which will be lost the earliest is searched among the EPG data stored in the memory, and a time of day when the EPG data of the searched channel is lost is calculated. When a time for taking new EPG data reaches, the tuner is tuned to the channel, and a TV broadcast signal is received and a new EPG data is extracted from the received TV broadcast signal and stored in the memory.
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