PORTABLE ELECTRONIC DEVICE AND ADAPTER THEREOF
PROBLEM TO BE SOLVED: To solve the problem that conventional adapters waste energy and generate unwanted heat because of their standby power consumption. SOLUTION: The portable electronic device includes a system end and an adapter. The system end provides a trigger signal. The adapter converts an i...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To solve the problem that conventional adapters waste energy and generate unwanted heat because of their standby power consumption. SOLUTION: The portable electronic device includes a system end and an adapter. The system end provides a trigger signal. The adapter converts an input AC voltage into an output DC voltage and provides the output DC voltage to the system end. When the adapter is connected to the system end, the trigger signal turns on the adapter. When the adapter is disconnected from the system end, the adapter detects an absence of the trigger signal and turns off automatically. COPYRIGHT: (C)2010,JPO&INPIT |
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