Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2011-03-22
2011-03-22
Nguyen, Tan Q (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S031000, C701S033000
Reexamination Certificate
active
07912600
ABSTRACT:
An in-vehicle electronic control apparatus, having a monitoring control circuit, according to the present invention is configured in such a way that serial interface circuits27aand37aare connected between a main control circuit unit20A and a monitoring control circuit unit30A, high-speed full-duplex block communication is performed by use of a communication permission signal ALT and a communication synchronization signal CLK, the same question information included in uplink communication information UPD is recurrently transmitted in a plurality times of communication and updated after being transmitted a predetermined times, and the main control circuit unit20A returns answer information by use of downlink communication information DND, within a predetermined duration after the update of the question information; because the question update period is prolonged, the control load on the main control circuit unit20A is reduced.
REFERENCES:
patent: 2008/0161989 (2008-07-01), Breed
patent: 2001-350735 (2001-12-01), None
patent: 2002108835 (2002-04-01), None
patent: 2005-031865 (2005-02-01), None
patent: 2005240631 (2005-09-01), None
Hashimoto Koji
Ishii Akihiro
Iwagami Yuki
Tanaka Susumu
Tsunekazu Shoso
Mitsubishi Electric Corporation
Nguyen Tan Q
Sughrue & Mion, PLLC
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