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US07804194B2 Device, system and method for charger switch adaptor 失效
充电器开关适配器的装置,系统和方法

Device, system and method for charger switch adaptor
Abstract:
A system to connect an electrical device to a switch which connects or disconnects the device to the power source, and providing power to the charger and/or another operational circuit of the device, for example, keep-alive circuit, with no dependency in the state of the switch.
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