| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an ETC system for a motorcycle that has a low cost and light on-vehicle unit. <P>SOLUTION: The on-vehicle unit of the motorcycle ETC system comprises an IC chip storing a charging processing identifier, and an array antenna comprising directional antennas arrayed in a vehicle height direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
