Patent ID: 8719472

Claim:
A wireless network system comprising: a platform device configured to transmit a first message including display capability information to at least one device, the display capability information comprising information on a display space and a display format supportable by the platform device; and at least one device configured to transmit a second message to the platform device in response to the first message, the second message including display output information of the at least one device, the display output information comprising information on a display space, a display format, and display contents selected by the at least one device based upon the display capability information, wherein: the display output information further includes field type information that indicates characteristics of a field in which the display contents are displayed; and the characteristics of the field comprise “plain text” indicating that the display contents are a plain text, “information request” indicating that the display contents are for the at least one device to request the platform device to send a specific information input from a user, “key bypass” indicating that the display contents are for the at least one device to request the platform device to pass a user input to the at least one device, and “menu refresh” indicating that the display contents are for the at least one device to request the platform device to send the display capability information to the at least one device.