| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an ETC onboard device capable of monitoring data inside the onboard device and performing optional control even during communication with on-road machine. SOLUTION: This ETC onboard device 1A loaded on a vehicle for transmitting and receiving ETC data with the on-road device 2 is provided with an antenna part 18 and a transmission/reception part 17 for performing the communication with the on-road machine, a control processing part 11A for controlling the transmission/reception part and processing communication data with the on-road machine and an external interface part 19 for connecting arbitrarily operable external equipment 5 and the control processing part.</p> |
