发明名称 DIGITAL BROADCAST SIGNAL RECEIVER
摘要 PROBLEM TO BE SOLVED: To provide a technology capable of alleviating burdens of a user concerning re-scanning of channels, and suppressing power consumption when a broadcast receiver is at a power off state to update the latest channel list. SOLUTION: This digital broadcast receiver is provided with: a first tuner (102) and a second tuner (103) which receive digital broadcast signals; and a control circuit (114) for performing channel scan. Then, the control circuit acquires schedule information showing channel change date and time when a broadcasting station is opened, closed, or a frequency is changed from the received digital broadcast signals when a power supply of the digital broadcast signal receiver is at an on state, and when the present date and time pass the change date and time shown by the acquired channel information, performs the channel scan using a tuner at an idle state of the first and the second tuners. COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011124816(A) 申请公布日期 2011.06.23
申请号 JP20090281121 申请日期 2009.12.11
申请人 HITACHI CONSUMER ELECTRONICS CO LTD 发明人 KUME TAKAAKI
分类号 H04N7/173;H04N5/44 主分类号 H04N7/173
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