Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1998-01-26
1999-10-12
Louis-Jacques, Jacques H.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
701 49, 340436, 340438, 280735, 180271, B60R 2100, B60R 2132
Patent
active
059648163
ABSTRACT:
A distributed architecture SIR system having remote sensor and initiator driver modules communicating over a common bus utilizes an address communication method which permits the communication of information to multiple remote modules at the same time, thereby minimizing the number of messages that must be transmitted across the bus to cause a given action to occur. According to the method, each remote initiator driver module is assigned three different ID codes: a node ID code, a deployment event ID code and an occupant zone ID code. The node ID code is unique to the module, and is used for the transmission of information (such as diagnostic state) specific to that module. The deployment ID code identifies multiple remote initiator modules associated with restraint devices which will ordinarily be deployed concurrently in a given type of crash event, and is used for the transmission of deployment commands to such modules. The occupant zone ID code identifies multiple remote initiator modules associated with restraint devices for a particular seating position in the vehicle, and is used for the transmission of occupant sensor information or decisions to such modules. This method effectively increases the communication speed of the bus because it obviates the sending of multiple successive like-content messages over the communication bus.
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Beaulieu Yonel
Delco Electronics Corp.
Funke Jimmy L.
Louis-Jacques Jacques H.
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