Patent ID: 7797430

Claim:
An image display system, in which an image display device forming an image and a mobile terminal device supplying image information are connected with each other via a predetermined network, the image display device comprising: a storage unit which stores connection information for connecting to the image display device in the predetermined network; an encoding unit which encodes a connection information code including the connection information; and a display unit which displays (1) the connection information code or an image including the connection information code, and (2) an instruction to photograph the connection information code or the image including the connection information code, and the mobile terminal device comprising: a code acquiring unit comprising an imaging unit which acquires the connection information code from the displayed connection information code or the image including the connection information code by remote imaging; a code analysis unit which analyzes the connection information from the acquired connection information code; and a network connection establishment unit which establishes a network connection with the image display device on the basis of the analyzed connection information.