Patent ID: 6175791
Filing Date: 2001-01-16
Classification: B60R,G08G

Abstract:
A DSRC car-mounted equipment for executing a dedicated narrow-range communication with an on-the-road equipment installed on a road on which a vehicle travels, comprising:a communication control unit for demodulating the signals received from said on-the-road equipment and for forming signals to be transmitted to said on-the-road equipment;an IC card accommodation portion in which is removably accommodated an IC card that works as an external storage medium;a contact portion provided in said IC card accommodation portion and is electrically connected to an electrode portion of said IC card;a car-mounted equipment controller for reading and writing data to, and from, said IC card;an information means for informing required data of said car-mounted equipment controller; anda circuit board mounting at least said communication control unit, said car-mounted equipment controller and said information means, and constituting said IC card accommodation portion;wherein said DSRC car-mounted equipment further comprises:a temperature sensor disposed near said IC card accommodation portion;a temperature-judging means for judging whether the temperature data detected by said temperature sensor lies within a temperature range tolerated by said IC card; andan alarm means for producing an alarm when said temperature data is deviated from said tolerable temperature range.