Patent ID: 7227583

Claim:
A method of switching a channel of a digital TV automatically, comprising: (a) determining whether or not information noticing a channel switch is included in additional information about a broadcast program selected by a viewer; (b) checking a remaining time of the broadcast program if the information noticing a channel switch is included in the additional information; (c) displaying a channel switch notice message on a screen; (d) determining whether or not the broadcast program has ended; (e) switching a channel of the broadcast program to a designated channel when the broadcast program ends; (f) displaying a channel switch confirmation message on the screen; (g) determining whether an HD broadcast program is broadcasted on another channel after the channel switch confirmation message is displayed; (h) displaying a message on the screen asking whether a channel of the broadcast program is switched to the channel of the HD broadcast program, if the RD broadcast program is being broadcasted; and (i) switching the channel of the broadcast program to either the channel of the HD broadcast program or the designated channel according to a response of the viewer to the message.