Patent ID: 8196159

Claim:
A mobile terminal, comprising: a user input unit configured to receive user input and to generate a signal to select a broadcast channel in response to the user input; an output unit for outputting data; a first identity device configured to store information associated with preview authority on each of at least one broadcast channel; a second identity device configured to store information associated with broadcast viewing authority on each of at least one broadcast channel; and a controller configured to: determine whether preview authority exists for the selected broadcast channel using the information associated with the preview authority stored in the first identity device when the selected broadcast channel is an authority-restricted channel; control the output unit to output preview data related to the selected broadcast channel for a predetermined time when the preview authority exists; control the output unit to display an image for purchasing of the selected broadcast channel after outputting the preview data for the predetermined time; determine whether broadcast viewing authority exists for the selected broadcast channel using the information associated with the broadcast viewing authority stored in the second identity device when the selected broadcast channel is not the authority-restricted channel; and determine that the selected broadcast channel is the authority-restricted channel when the broadcast viewing authority for the selected broadcast channel does not exist.