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. |