| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable execution of stable communication using visible light. <P>SOLUTION: An information server 1 transmits information including video information or voice information. An optical transmitter unit 2 is connected to the information server 1 in a communicable manner, and transmits the information, transmitted from the above information server, through visible light communication. A mobile terminal 3 outputs the information transmitted from the optical transmitter unit 2 to a user 100. The optical transmitter unit 2 is disposed on a floor surface in an object area. <P>COPYRIGHT: (C)2009,JPO&INPIT |
