INFORMATION TRANSMISSION SYSTEM, INFORMATION TRANSMISSION METHOD AND INFORMATION DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To solve the problem that there is a possibility that congestion of a communication line by simultaneous generation of replies from many information display devices occurs when replies of completion of data update for confirming that a specified advertisement is displayed are performed by communication in an advertisement system for transmitting display content by digital broadcast and displaying the display content on a sheet-like display device.

SOLUTION: This information transmission system is provided with a display confirmation server which confirms that pieces of information about each information display device are rewritten, wherein each information display device replies that the pieces of information are received by the digital broadcast and rewritten to the display confirmation server. In this case, each information display device is provided with standby time at random after rewriting the pieces of information and sends the replies after the standby time. The display confirmation server which receives the replies represents to report the completion of the data update.

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