| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for reducing man-hours in building-up a computer system capable of displaying respective information on each individual display device. ! SOLUTION: Provided is a computer system for displaying information on a plurality of display devices installed in each car of a railroad train, the computer system having a management device and a plurality of computers. The management device wirelessly transmits delivery data for displaying information on each of the display devices. The computers, provided corresponding to each of the plurality of display devices, wirelessly relay, by a bucket brigade method, the delivery data transmitted wirelessly from the management device, and when the delivery data received from a pre-stage device is delivery data addressed to the computer itself including display information to be displayed on the display device corresponding to the computer itself, the computer acquires the delivery data addressed to the computer itself and makes the |
