Battery power source device of electric power vehicle

Electricity: battery or capacitor charging or discharging – One cell or battery charges another – Vehicle battery charging

Reexamination Certificate

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Reexamination Certificate

active

07019488

ABSTRACT:
Communication is provided for each of battery ECUs so that the battery ECUs are connected through a connection cable to communicate with each other. Operating power is constantly supplied to the battery ECU used as a master while being supplied to the battery ECUs used as slaves through a relay contact. When a vehicle stops running, the master battery ECU controls the relay contact to be turned OFF after collecting necessary data of each of the slave battery ECUs to store therein. When the vehicle restarts running, the master battery ECU turns the relay contact ON to transmit the necessary data to each of the slave battery ECUs.

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English Language Abstract of JP 2000-74786.
English Language Abstract of JP 11-150873.
English Language Abstract of JP 2002-354703.

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