发明名称 BROADCAST RECEIVER AND RECEPTION DIFFICULT AREA DETERMINATION METHOD
摘要 PROBLEM TO BE SOLVED: To solve such a problem that it is difficult to suppress the cost because a device dedicated to determine whether or not the current position is in a reception difficult area is required.SOLUTION: The broadcast receiver includes entry determination means for determining whether or not it has entered a reception difficult area of bad reception environment on the basis of the number of receivable frequency channels, reception intensity storage means for storing the reception intensity of a frequency channel under reception, when a determination is made that it has entered a reception difficult area, comparison means for comparing the reception intensity stored by the reception intensity storage means with the reception intensity of a frequency channel under reception, and escape determination means for determining whether or not it has escaped from a reception difficult area on the basis of the comparison results by the comparison means.
申请公布号 JP2014017668(A) 申请公布日期 2014.01.30
申请号 JP20120153857 申请日期 2012.07.09
申请人 CLARION CO LTD 发明人 TADA NARIAKI;INAGO KAZUHITO;NOZAWA TSUNEO;IWASAKI MASATSUGU;KONISHI DAISHIN
分类号 H04B1/16;H04H60/25;H04H60/32;H04H60/42;H04H60/43;H04H60/51 主分类号 H04B1/16
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