Vehicle-onboard DSRC apparatus

Details Vehicle-onboard DSRC apparatus Vehicle-onboard DSRC apparatus

2005-07-19

2005-07-19

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

C340S005600

Reexamination Certificate

active

06920379

ABSTRACT:
In a vehicle-onboard dedicated short-range communication (DSRC) apparatus for the DSRC communication system, a command judgment unit of an electronic toll communication-security application module (ETC-SAM) judges the type of command included in a communication signal transmitted between a HOST and an IC card with user information held therein. A command control unit of the ETC-SAM controls whether the command is to be analyzed, according to a result of judgment by the command judgment unit. Therefore, it is possible to simplify a communication procedure and reduce a communication time.

REFERENCES:
patent: 2002/0080048 (2002-06-01), Choi
patent: 44 46 646 (1996-06-01), None
patent: 0 759 600 (1997-02-01), None
patent: 2001-216543 (2001-08-01), None
patent: 2002-15342 (2002-01-01), None

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