A vehicle-mounted apparatus of a dedicated short-range communications
system is capable of informing a discount of an amount of toll to a user.
The apparatus includes a radio communication part for communicating with
road-side radio equipment, an IC card storing therein traffic histories, a
control part for processing data received from the radio communication
part, an account instruction part for generating an account instruction
based on the data from the control part, a discount instruction part for
generating a discount instruction based on the data from the control part,
a display part and an audio part for informing an account and a discount
to the user based on the instruction from the account instruction part and
the instruction from the discount instruction part, and a buzzer part for
notifying a condition of passage of a vehicle through a toll gate to the
user by performing an account or a discount.
