| 摘要 |
PROBLEM TO BE SOLVED: To improve the channel selection convenience of a television device for a user by making the television device receive a channel that is selected by the user, even in the case that the selected channel is registered in the channel map of the broadcast signals of the other broadcast system which is not set up now. SOLUTION: When the selection of channels is received, a control unit 2 determines whether the selected channel received this time is registered in the channel map of the broadcast signals of a broadcast system that is set up now or not (S1), and when it is determined that the selected channel is not registered in the channel map, the control unit 2 determines whether the selected channel is registered in the channel map of broadcast signals of the other system (S3). When it is determined that the selected channel received this time is registered in the channel map of the broadcast signals of the other broadcast system in a step 3 (S3), the selected channel received this time is started to be received from the broadcast signals of a system corresponding to the channel map in which the channel is registered (S2). COPYRIGHT: (C)2007,JPO&INPIT |
