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    • 35. 发明授权
    • Terrestrial digital TV broadcast signal receiver
    • 地面数字电视广播信号接收器
    • US07788691B2
    • 2010-08-31
    • US11304584
    • 2005-12-16
    • Keisuke Tsukamoto
    • Keisuke Tsukamoto
    • H04N7/10
    • H04N5/44543H04N5/4401H04N5/50H04N21/42692H04N21/4348H04N21/4586H04N21/4622H04N21/6112H04N21/84
    • 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.
    • 在能够进行EPG(电子节目指南)显示的地面数字电视广播信号接收机中,EPG数据在尽可能小的时间内被更新,而使用不会观看任何电视节目,使得EPG可以实时显示 在接通地面数字电视广播信号接收机的电力之后。 当关闭电力时,在存储在存储器中的EPG数据之中搜索最早丢失的频道的EPG数据,并且计算搜索到的频道的EPG数据丢失的时间。 当达到新的EPG数据的时间时,调谐器被调谐到频道,并且接收到电视广播信号,并从接收到的TV广播信号中提取新的EPG数据并存储在存储器中。