A sorting section in a restoration section sorts out a packet for an intended service from a transport stream received according to the control of a reception control section. The exponential currents can be generated by current stacks having pairs of series-connected junctions. New and updated data related to the previously generated data and specific to the particular user is regenerated so that the personalized data is automatically and dynamically updated in response to trackable remote user input. The three lateral fold lines include a middle fold line and two outer fold lines.