Electronic control apparatus for motor vehicle

Details Electronic control apparatus for motor vehicle Electronic control apparatus for motor vehicle

2004-08-09

2008-08-12

Holloway, III, Edwin C (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C307S010200

Reexamination Certificate

active

07411481

ABSTRACT:
An ECU of a vehicle is activated to communicate with a user validation apparatus while a specific signal such as an ignition signal is being produced, and to perform a first control operation when positive validation occurs, and can be activated by a request signal for a second control operation while the specific signal is off, without performing the communication. Erroneous detection of a communication error is avoided in a case when communication is interrupted due to switch-off of the specific signal and the request signal for the second control operation is received during that communication.

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patent: 2002/0144667 (2002-10-01), Ito
patent: 2005/0021304 (2005-01-01), Hirashima
patent: 8-218704 (1996-08-01), None

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