WIRELESS POWER RECEIVER AND/OR FOREIGN OBJECT DETECTION BY A WIRELESS POWER TRANSMITTER

A wireless power transmitter includes an analog-to-digital converter (ADC) and a controller. The ADC is configured to convert an analog signal associated with a power train to digital values. The controller is configured to cause pulses to be applied to the power train to thereby cause the power tra...

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1. Verfasser:	OETTINGER ERIC GREGORY
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETECTING MASSES OR OBJECTS ELECTRICITY GENERATION GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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creator	OETTINGER ERIC GREGORY
description	A wireless power transmitter includes an analog-to-digital converter (ADC) and a controller. The ADC is configured to convert an analog signal associated with a power train to digital values. The controller is configured to cause pulses to be applied to the power train to thereby cause the power train to ring, receive digital values from the ADC acquired while the power train is ringing and after the pulses complete, and, based on an analysis of the digital values of the ringing of the power train, to determine whether a wireless power receiver is present on or near the wireless power transmitter or whether a foreign object is present on the transmitter.
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subjects	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETECTING MASSES OR OBJECTS ELECTRICITY GENERATION GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
title	WIRELESS POWER RECEIVER AND/OR FOREIGN OBJECT DETECTION BY A WIRELESS POWER TRANSMITTER
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