Registers – Systems controlled by data bearing records – Transportation
Patent
1997-03-27
2000-02-01
Le, Thien Minh
Registers
Systems controlled by data bearing records
Transportation
235375, 235492, G07B 1502
Patent
active
060192852
ABSTRACT:
An automatic toll charging system communicates by radio between roadside units disposed on each gate of a toll road and a vehicle-mounted unit mounted in a vehicle, and automatically charges a toll in a range from an entrance gate to an exit gate. In this system, an IC card is inserted in the vehicle-mounted unit , and payment information recorded in the IC card and entrance information received from a roadside unit, disposed at the entrance gate are recorded in the information recording part of the vehicle-mounted unit. In addition, the entrance information recorded in the information recording part is transmitted to the roadside unit disposed at the exit gate, and a toll payment process is executed. The entrance information is recorded in the IC card as a backup so the toll payment process can be executed even if a function of the vehicle-mounted unit is performed improperly.
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Isobe Norihiro
Mizuno Tomoaki
Cyr Daniel St.
Denso Corporation
Le Thien Minh
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