Patent ID: 8531685

Claim:
A display device comprising: a connection interface configured to receive an external memory device to be attached to the display device, wherein the external memory device is configured to store data files; an additional connection interface configured to receive an additional external memory device to be attached to the display device, the additional external memory device configured to store data files; a processor; and memory operatively coupled to the processor and storing computer readable instructions that, when executed by the processor, cause the display device to function as: a judging unit configured to determine whether an external memory device is attached to the connection interface; a list creation unit configured to extract file information stored in the external memory device and generate a list of data files stored in the external memory device in response to the judging unit determining that the external memory device is attached to the connection interface; a timer configured to be initialized and begin measuring a predetermined period following the list creation unit generating the list of data files; and a display control unit configured to display the list of data files before the predetermined period elapses wherein: the judging unit is further configured to determine whether an additional external memory device is attached to the additional connection interface before the predetermined period elapses; the list creation unit is further configured to extract additional file information stored in the additional external memory device and generate an additional list of data files stored in the additional external memory device in response to the judging unit determining that the additional external memory device is attached to the additional connection interface; the timer is further configured to again be initialized and begin measuring the predetermined period following the list creation unit generating the additional list of data files; and the display control unit is further configured to display the list of data files stored in the external memory device and the additional list of data files stored in the additional external memory device in response to the external memory device and the additional external memory device being attached to the display device before the predetermined period elapses.