Patent ID: 7113739

Claim:
A digital broadcast receiver mounted to a mobile, for receiving a digital broadcast signal carrying many contents and also outputting the content based on said digital broadcast signal received, said digital broadcast receiver comprising: content accumulation means for accumulating said received contents; reception state detection means for detecting whether said digital broadcast signal can be received normally; and means for switching from an output of the received content to reproduction of the content accumulated in said content accumulation means if said reception state detection means detects that said digital broadcast signal cannot be received normally; current position acquisition means for acquiring a current position of said mobile; and reception state predicting means for predicting whether said digital broadcast signal can be received normally based on the current position acquired by said current position acquisition means and map data, wherein said switch-over means switches an output-subject from said received contents to said reproduced content if said reception state prediction means predicts that said digital broadcast signal cannot be received normally.