Wireless charging of metal backed electronic devices
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
May 20, 2015
filing date -
Sep 5, 2014
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Abstract
A method and system for providing wireless power transfer through a metal object by forming a loop conductor from the metal object through a feature or component embedded within the metal object and by replacing portions of the metal object with insulating components. The method and system utilize a recessed channel to install and isolate conductors that are connected to transmitter or receiver circuits and enable wireless power transfer and other communications. The recessed channel creates a loop around at least a portion of the metal object such that the conductor installed therein may form a loop conductor, which may be connected to a source or sink. In some implementations, a logo embedded within the metal object may create a loop formed by the metal object with a current path around the logo, wherein the metal object itself may be configured to operate as the conductor.
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