Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Reexamination Certificate
2006-12-05
2006-12-05
Patel, Ramesh (Department: 2121)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
C701S029000, C701S102000, C701S113000, C701S115000, C700S012000, C700S013000, C700S014000, C307S039000, C307S041000, C307S103000, C340S309400, C340S309500, C340S426150
Reexamination Certificate
active
07146265
ABSTRACT:
A control device with a time measuring function measures a turned-off time of an ignition switch with a low consumption current and high accuracy at a level adapted for a demand from the controlling side, as well as a turned-on time of the ignition switch. The control device also measures an accumulative turned-on time of the ignition switch. The control device comprises a battery, a microcomputer for computing a control variable to control a control target, a time measuring unit, a clock source for the microcomputer, a clock source for the time measuring unit, and a unit for changing over operation of the time measuring unit depending on an intended use. The time measuring unit operates regardless of run/stop of the microcomputer.
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Oyama Katsuya
Sasaki Shoji
Watanabe Mitsuhiko
Crowell & Moring LLP
Hitachi , Ltd.
Patel Ramesh
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