AC Adapter With Automatic Built-In Power Switch
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United States of America Patent
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Issued Date -
Oct 11, 2012
app pub date -
Apr 11, 2011
filing date -
Apr 11, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The AC adapter with automatic built-in power switch comprises of an AC power supply circuit, an AC control circuit, and a monitoring circuit. The monitoring circuit further comprises of a standby power supply, a microcontroller, a circuit for device detection, and a current monitor circuit. The AC power supply circuit is electrically connected to the alternating current source and converts the alternating current to direct current for charging the rechargeable battery of an electronic device. The AC control circuit acts as a switch to turn the AC power supply on and off. The monitor circuit detects whether an electronic device is connected to the adapter and also whether the charging process is completed.
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