ETC SYSTEM AND COMMUNICATION ANTENNA

摘要

PROBLEM TO BE SOLVED: To curb the occurrence of erroneous communication while improving safety in an ETC.SOLUTION: An ETC (Electronic Toll Collection system) system comprises: an ETC antenna for making DSRC (Dedicated Short Range Communication) communication for toll settlement with an ETC on-vehicle device; and a communication antenna that includes the coverage of a reflection wave of a radio wave transmitted by the ETC antenna in a radio wave coverage, and makes DSRC communication with the ETC on-vehicle device.SELECTED DRAWING: Figure 5