Apparatus and method for integrally managing maintenance of electronic devices

A device management system comprising:

• a server that stores maintenance packages;
• a plurality of electronic devices that execute maintenance;
• and
• a device management apparatus that acquires a plurality of maintenance packages with respect to the plurality of electronic devices from the server, generates a general maintenance schedule including at least one maintenance execution time with reference to the plurality of maintenance packages, and executes maintenance of an electronic device from among the plurality of electronic devices corresponding to the at least one maintenance execution time, when the at least one maintenance execution time arrives.

A device management apparatus comprising:

• a device management communication unit that acquires and transfers a plurality of maintenance packages with respect to a plurality of electronic devices;
• a device management memory storing the plurality of maintenance packages;
• and
• a device management controller generating a general maintenance schedule including at least one maintenance execution time with reference to the plurality of maintenance packages, and transmitting a maintenance package and a maintenance control signal to a corresponding electronic device from among the plurality of electronic devices according to the general maintenance schedule.

A mobile terminal comprising:

• a communication unit that communicates with a device management apparatus;
• a display unit that displays a graphic user interface for integrally managing maintenance of a plurality of electronic devices connected to the device management apparatus;
• and
• a controller that controls the device management communication unit to collect maintenance relation data with at least one of the plurality of electronic devices, and controls the display unit to display the maintenance relation data and the graphic user interface.