Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2005-11-01
2005-11-01
Vo, Hieu T. (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C073S117020, C123S406530
Reexamination Certificate
active
06961652
ABSTRACT:
A microcomputer calculates a requisite time for controlling a predetermined device of an internal combustion engine. The microcomputer estimates time required for a crank shaft of the engine to rotate from a present crank angle to a designated crank angle. The microcomputer predicts a relationship between times required for the crank shaft to rotate consecutive angular regions positioned before and after the present crank angle based on measurement result with respect to times required for the crank shaft to rotate consecutive angular regions positioned before and after a preceding crank angle advanced a predetermined amount from the present crank angle.
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Denso Corporation
Nixon & Vanderhye P.C.
Vo Hieu T.
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