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7413827 |
Car power source apparatus
A car power source apparatus is provided with a driving battery which drives an electric motor, heaters which heat the driving battery, a control circuit which controls power to the heaters, a...
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7397221 |
Battery protection device, battery protection system using the same, and battery protection method
A battery protection device protects a battery from an abnormal state. The battery protection device includes a detector that detects an abnormality of the battery and outputs an abnormality...
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7394350 |
Power-saving on-vehicle controller
An on-vehicle controller performs smart control for transmitting a transmission request signal to a predetermined area and for unlocking a door of a vehicle based on a return signal transmitted by...
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