Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2004-12-07
2008-08-19
Keith, Jack W. (Department: 3663)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S036000, C340S426110, C307S010100
Reexamination Certificate
active
07415332
ABSTRACT:
Each of ECUs constituting a system of a vehicle is registered with authentication IDs of other ECUs. The each of ECUs determines whether the other ECUs are regular by comparing the registered IDs with authentication IDs newly obtained from the other ECUs when the system is started. When a certain ECU within the other ECUs is determined to be not regular, the certain ECU is prohibited from being used in this system. Further, when a new ECU is substituted or added, a terminal confirms whether the new ECU is unused in another vehicle and is thereby enabled to be usable by transmitting an authentication ID of the new ECU to a management center. When the new ECU is confirmed to be enabled to be usable, authentication IDs registered in the respective ECUs are updated.
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Ito Hiroaki
Shimomura Toshio
Shimonomoto Ifushi
DENSO CORPORATION
Keith Jack W.
Pipala Edward
Posz Law Group , PLC
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