| 摘要 |
<P>PROBLEM TO BE SOLVED: To observe and control many outdoor large-sized signboard devices installed at distances from a control computer in a one-to-many style. <P>SOLUTION: A main computer displays a plurality of data relating to the outdoor large-sized signboard devices at a display section 7 from an area database 11, a specific slave computer is selected from them, and a connection with the selected slave computer is made through the Internet. An instruction program 12 is transmitted and the specific slave computer follows commands from the main computer. The main computer commands the specific slave computer to start, advertisement data 21 are read out of a storage device 20 through the Internet after the slave computer starts, and displayed at the display part 7 of the main computer and further displayed at a display part 27 of the specific slave computer and the signboard, and their display states are observed through the display part 7 of the main computer. <P>COPYRIGHT: (C)2007,JPO&INPIT |
