Patent ID: 8630395

Claim:
A communication method between information terminal devices used by a plurality of users, and a display device displaying display data transmitted from the information terminal devices on a display portion, the communication method comprising the steps of: transmitting, by a moderator terminal device included in the information terminal devices and managing the display data, to the display device through a network, first information including data ID information for identifying the display data and position information indicating a display position of the display data on the display portion; opening a data communication path through which the display data is transmitted between the display device and a user terminal device included in the information terminal devices and transmitting the display data to the display device; transmitting, by the display device, to the user terminal device through the network, second information including communication path identification information for identifying the data communication path and the data ID information; transmitting, by the user terminal device, the display data to the display device through the data communication path identified by the communication path identification information; and displaying, by the display device, the display data on the display portion based on the communication path identification information, the data ID information and the position information.