Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2007-10-23
2007-10-23
Zanelli, Michael J. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
Reexamination Certificate
active
10926952
ABSTRACT:
A series of processes is allocated to functional blocks arranged in electronic control units (ECUs) of a vehicle control system, and each functional block executes the process and outputs a signal. The first functional block receiving a value from a sensor outputs a signal including a check code of a starting state and a result of the process. Each of the other functional blocks produces a signal including a result of the process and a renewed check code based on a signal delivered by the preceding functional block. The last functional block outputs a signal to controls an actuator. A sequence check functional block of one ECU checks the deliveries of the signals designed to be performed in a predetermined order according to the renewed check code and performs error correction processing when the deliveries are performed out of the predetermined order.
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Nixon & Vanderhye P.C.
Zanelli Michael J.
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