Patent ID: 8775075

Claim:
A terminal device comprising: a positional information acquisition unit which acquires positional information indicating a position of the terminal device; a destination information acquisition unit which acquires destination information specifying a destination; a navigation unit which acquires from a server, upon activation, data indicating a route from a position specified by the positional information acquired by said positional information acquisition unit to a destination specified by the destination information, and which navigates the routes; a distance acquisition unit which acquires a distance between the position specified by the positional information acquired by said positional information acquisition unit and the destination specified by said destination information; a determining unit which repetitively determines whether or not the distance acquired by said distance acquisition unit is larger than a specified value; and an activation control unit which waits without activating said navigation unit until the determining unit determines that the distance is larger than the specified value, and activates said navigation unit to start navigation of the route from the position of the terminal device to the destination when the determining unit has determined that the distance is larger than the specified value, wherein the destination information acquisition unit includes: a counterpart information memory unit which stores counterpart information for each counterpart, and a reception unit which receives, from the server, information specifying a position of a terminal device of a counterpart as the destination information, the counterpart being selected from among counterparts whose counterparts whose counterpart information is stored in the counterpart information memory unit, wherein the activation control unit displays, on a monitor of the terminal device a route from the position of the terminal device to the position of the terminal device of the selected counterpart; wherein data is sent from the server to the terminal device of the selected counterpart, the sent data being the same as the data indicating the route acquired by the navigation unit, and wherein the terminal device of the selected counterpart displays, on a monitor of the terminal device of the selected counterpart, the route indicated by the data received from the server, the route displaced by the terminal device of the selected counterpart being the same as the route displayed by the activation control unit.