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Smartphone charging alarm feedback device

[Category : - ELECTRONICS]
[Viewed 1465 times]

An alarm feedback circuit for alerting Smartphone users when the Smartphone internal battery is fully charged is provided. The alarm feedback circuit includes necessary circuitry sufficient to monitor the current draw of the Smartphone internal battery and provide a visual and audible alarm once the Smartphone battery is fully charged. The alarm feedback circuit is configured to be used with Smartphone chargers of the type considered to be compatible with the European Union specification for a common External Power Supply (EPS) which are used for Smartphones and adopted by the majority of the world

Patent publications:

 US 9569949
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Viewed: 1465 times

Seller:

chargeralarm (United States)

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