Patent ID: 8745532

Claim:
A display device network-connected to a plurality of controlled devices, comprising: an information acquiring unit acquiring operation-related information from the plurality of controlled devices, the operation-related information containing operation information for at least one operation function and uniform resource location (URL) information corresponding to the operation information; an information classifying unit classifying the URL information into a plurality of function groups based on the operation information, the plurality of function groups including a first function group related to viewing functions of at least one of the plurality of controlled devices and a second function group related to operation setting functions of at least one of the plurality of controlled devices; wherein the viewing function of the at least one controlled device enables a user to view an image generated by the controlled device, and wherein the operation setting function of the at least one controlled device enables the user to change a setting of the controlled device; a menu generating unit generating a menu page for each of the function groups, wherein one of the function groups of the plurality of controlled devices is selected prior to selection of the controlled device; a display unit displaying each menu page; and a page operation unit accessing the corresponding URL information by operating the respective menu page.