Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Transportation facility access
Reexamination Certificate
2007-05-01
2007-05-01
Fischer, Andrew J. (Department: 3621)
Data processing: financial, business practice, management, or co
Automated electrical financial or business practice or...
Transportation facility access
C705S001100, C705S016000, C340S905000, C701S117000, C701S210000
Reexamination Certificate
active
09362982
ABSTRACT:
A vehicle-mounted communication device and a road-to-vehicle communication device are provided which each allow communication of information using a simple structure by making leakage of information difficult. Information including encryption information is communicated between an on-road apparatus10having a memory28in which an electronic key A is stored, and a vehicle-mounted apparatus30having a storage circuit48. Encrypted route information and the like are stored as is in the vehicle-mounted apparatus30. Encryption and decoding are executed at an on-road apparatus side. In reception of charges, encrypted information from an IC card62having a memory70in which a security mechanism is stored passes through the vehicle-mounted apparatus and is transferred to the on-road apparatus. The encrypted information from the IC card62is decoded with the on-road apparatus. Accordingly, the encrypted information is mutually transferred between these apparatuses and the vehicle-mounted apparatus does not require encryption or decoding. As a result, the security of a system can be improved.
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Nakamura Kazumasa
Taniguchi Shinichi
Buchanan & Ingersoll & Rooney PC
Fischer Andrew J.
Sherr C Owen
Toyota Jidosha & Kabushiki Kaisha
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