Electronic control apparatus which responds to shut-down...

Details Electronic control apparatus which responds to shut-down... Electronic control apparatus which responds to shut-down...

2007-07-24

2007-07-24

Wolfe, Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S114000, C701S115000, C123S179240, C123S179300, C073S118040, C073S118040

Reexamination Certificate

active

11453937

ABSTRACT:
An electronic control apparatus includes a control circuit and has a power supply holding function whereby when a power switch-off command is received by the apparatus, the supplying of power to the control circuit is continued until it has completed specific processing, during a power supply holding interval. The duration of each such interval is measured and stored in non-volatile memory, and subsequently used for detecting any power supply holding function abnormality, and for ensuring that the specific processing is actually performed, and distinguishing between an abnormality causing premature switch-off and an abnormality causing failure to terminate the supplying of power.

REFERENCES:
patent: 6094975 (2000-08-01), Hasegawa et al.
patent: 6708089 (2004-03-01), Hashimoto et al.
patent: 6732044 (2004-05-01), Hashimoto et al.
patent: 7155326 (2006-12-01), Nagata
patent: 11-099890 (1999-04-01), None
patent: 2000-065691 (2000-03-01), None
patent: 2003-312386 (2003-11-01), None
patent: 2003-312387 (2003-11-01), None

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