Birch, Stewart, Kolasch & Birch, LLP
Standby state maintaining device
A standby state maintaining device includes a secondary battery provided separately from a vehicle battery, a temperature sensor for the secondary battery, and a controller having a first operation mode of, in a state in which a starting switch of a vehicle is off, maintaining a power saving standby state of a vehicle-mounted information apparatus by selectively using either the secondary battery or the vehicle battery in accordance with a detected value provided by the temperature sensor.
MITSUBISHI ELECTRIC CORPORATION
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Masamitsu Hisanori
Ishihara Yamada