Foreign object detector for non-contact charging device
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United States of America Patent
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Jun 28, 2016
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app pub date -
May 5, 2014
filing date -
May 5, 2014
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Abstract
A non-contact charging device for charging a battery in a vehicle includes a source resonator, and a foreign object detector. The source resonator is configured to transfer electrical energy to a capture resonator in a vehicle. The foreign object detector is configured to detect a foreign object proximate to the source resonator. The foreign object detector includes a vertical antenna configured to detect a foreign object above the source resonator, and a horizontal antenna configured to detect a foreign object beside the source resonator.
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