| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic poster system which does not require maintenance operation to perform supplementary charge by an external power source and which is not limited in an installation place and movement. <P>SOLUTION: The electronic poster system is constituted of a server device 30 and a plurality of display devices 40. The server device 30 is installed, for example, in a station building and transmits data for display by radio communication. The display devices 40 are freely installed at the same position as that for advertisement using the conventional paper poster such as bulletin boards or outer walls in all the area of the station. Emergency display on accident information or the like can be freely additionally installed and also can be moved in facilities of the station. The display devices 40 are connected to the server device 30 by radio, have a function to receive the data for display transmitted from the server device 30 and display it on a screen, and is operated by electromotive force of a solar battery 43b. <P>COPYRIGHT: (C)2009,JPO&INPIT |
