Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2004-04-19
2009-02-03
Beaulieu, Yonel (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
Reexamination Certificate
active
07487022
ABSTRACT:
A method and corresponding devices for transmitting data between a central control device of a passenger protection system in a vehicle and at least one local sensor unit. The sensor unit includes a sensor and is operated in a normal operation mode or in a test operation mode. In the normal operation mode, the data transmitted contain sensor measuring data while in the test operation mode, they contain characteristic data. The sensor unit transmits its data packets in both modes of operation after a synchronization pulse that was last detected and adds to the data packets a different characteristic depending on the operation mode by adding at least one data bit so that the data packets of the normal operation mode and of the test operation mode can be uniquely identified using the respective characteristic.
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Beaulieu Yonel
Greenberg Laurence A.
Locher Ralph E.
Siemens Aktiengesellschaft
Stemer Werner H.
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