Patent ID: 8572652

Claim:
An apparatus to display channel information of a plurality of channels in a digital broadcasting receiver that receives a broadcasting signal, the apparatus comprising: a first tuner to receive a signal of one of the plurality of channels selected by a user; a plurality of second tuners to extract channel information and a representative image for each of the plurality of channels from the broadcasting signal during reception of the signal of the user-selected channel by the first tuner; and a display to display the channel information and the representative image for each channel when the user makes a corresponding request, wherein the plurality of the second tuners continuously repeats the extraction of channel information and the representative images included in the broadcast signal for all the channels in the background, and wherein the display displays an extraction time of the channel information and the representative image for each channel together with a present time, and wherein the extraction of the extraction time occurs for a predefined time period from the present time, where the predefined time period is a maximum time lag to search for the representative image for each of the channel.