发明名称 Broadcast signal receiving apparatus
摘要 A broadcast signal receiving apparatus 1 can display channel map information of receivable channels on a screen of a monitor display apparatus when a user desires. The broadcast signal receiving apparatus 1 comprises a channel map information updater (primary controller) 8 that updates the channel map information regularly. The channel map information includes a deletion counter for each channel registered in the channel map information which is used to judge whether channel information of the channel is deleted from the channel map information or not. The channel map information updater 8 increases a value of deletion counter of a channel by one when broadcast signal of the channel cannot be received, resets a value of deletion counter of a channel when broadcast signal of the channel can be received in each updating of the channel map information, and deletes channel information of a channel from the channel map information when the value of deletion counter of the channel reaches to a threshold.
申请公布号 US8028321(B2) 申请公布日期 2011.09.27
申请号 US20080137163 申请日期 2008.06.11
申请人 FUNAI ELECTRIC CO., LTD. 发明人 NARITA SHUSUKE
分类号 H04N7/173;H04N5/44 主分类号 H04N7/173
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