| 摘要 |
PROBLEM TO BE SOLVED: To provide a signage system which holds previously transmitted data as it is and transmits remaining data by another route when a switch is made to the other route during data transmission.SOLUTION: A signage system includes: a distribution management server device which generates content data of advertisement, holds a plurality of distribution routes which directly transmit a plurality of pieces of transmission data obtained by dividing the content data or which transmit the data via a display device different in a destination with a display device which displays the content data as the destination, transmits the transmission data by a first distribution route and re-transmits the transmission data by a second distribution route in response to a reception situation of transmission confirmation to the transmission data transmitted from the display device of the destination; and a plurality of display devices which are connected to the distribution management server device and another display device via radio communication, relay the transmission data addressed to a device except for self-devices, transmit the transmission confirmation to the distribution management server device when they receive the transmission data and display the content data synthesized from the transmission data addressed to the plurality of self-devices. |
