Patent 7802282 was granted and assigned to Panasonic on September, 2010 by the United States Patent and Trademark Office.
A content detecting device for a digital broadcast signal receiver or a recording apparatus that records the digital broadcast signal. When information in program specific information and information in an electronic program guide information in the memory contradict each other concerning presence or absence of one of a closed captioning broadcast and a data broadcast, a detecting unit causes the memory to store information indicating the detection of the commercial.