Vehicle-mounted device, traffic-information acquisition...

Details Vehicle-mounted device, traffic-information acquisition... Vehicle-mounted device, traffic-information acquisition...

2007-06-19

2011-10-11

Tran, Khoi (Department: 3664)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Traffic analysis or control of surface vehicle

C701S118000, C701S119000, C701S201000, C701S202000, C701S206000, C701S209000, C701S210000

Reexamination Certificate

active

08036820

ABSTRACT:
When a change occurs between a previous traffic condition based on traffic information provided previously and the current traffic condition, a control unit of a vehicle-mounted device performs control such that traffic information is acquired from an external device via wireless communication. A comparison of current vehicle traveling conditions and previous vehicle traveling conditions can also be used to determine whether traffic information should be updated.

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