Patent ID: 8813148

Claim:
A data supply apparatus for supplying second video data to a data output apparatus for performing display operation in which a first video data or a second video data is displayed on a display section, the display operation being switchable between a first mode for outputting the first video data outputted from a first tuner for receiving a broadcast program and a second mode for outputting the second video data supplied from an external apparatus, the data supply apparatus comprising: a second tuner for receiving a broadcast program; a data transmitting section transmitting to the data output apparatus, as the second video data, video data containing (i) video data of the broadcast program received by the second tuner and (ii) video data generated by an application program executed on the data supply apparatus, the video data generated by the application program being displayed together with the video data of the broadcast program received by the second tuner; and a first relay coordination control section transmitting second-tuner-tuned broadcast program information and first video data switching information to the data output apparatus, the second-tuner-tuned broadcast program information causing the first tuner to receive a broadcast program identical with the broadcast program received by the second tuner, and the first video data switching information instructing switching to the first mode.