Patent ID: 8191096

Claim:
A control device for channel searching in an image display device, the control device comprising: a signal receiving unit configured to receive broadcasting signals from the outside; a storage unit configured to store one of an image and an audio among the received broadcasting signals according to a user's request and to store a corresponding channel according to channel searching; a key input unit configured to receive a request command of a user; a controller configured to calculate a required time for the channel searching when a channel searching command is received from the key input unit, to compare the required time for the channel searching with a playing time for one of image and audio data stored in the storage unit, and to display an image and audio data having the playing time close to the required time during the channel searching; a display unit configured to output the image data stored in the storage unit according to control of the controller during the channel searching; and an audio output unit configured to output the audio data.