Method for controlling system including electronic tag, mobile device, and display device, and mobile device and display device of the same

摘要

A system and method for processing a faster connection to at least two or more devices for sharing contents, by using an electronic tag, and enhancing data processing efficiency and minimizing unnecessary or excessive usage of memory during the connection process to the at least two or more devices for sharing contents.

主权项

1. A first device for communication with a second device, the first device being a mobile device and the second device being a display device, the first device comprising:
a communication module; a screen configured to display a list identifying at least one of external device that has a same access point (AP) as the first device or is available for connection with the first device based on a wireless local area network (WLAN) direct connection; and a controller configured to receive a certification number input by a user of the first device and displayed by the second device in response to selecting the second device among the at least one of external device, wherein the certification number is used to connect the first device with the second device, wherein the controller is further configured to control the screen to display a graphical user interface (GUI) for deciding a transmission direction of contents if a number inputted by the first device matches the certification number displayed by the second device, wherein the controller is further configured to control the communication module to transmit the contents displayed on the first device to the second device per user's request and receive the contents displayed on the second device from the second device per user's request according to the GUI, and wherein the first device is connected to the second device based on a Digital Living Network Alliance (DLNA) if a type of the contents corresponds to a moving picture image, and the first device is connected to the second device based on the WLAN direct connection if a type of the contents does not correspond to the moving picture image.