Foreign-object detection for resonant wireless power system

A wireless charging system is provided that includes a charger portion that receives one or more portable elements for charging wirelessly. The charger portion controls the amount of power needed to charge the one or more portable elements. An inband communication module receives inband communicatio...

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Bibliographic Details
Main Authors FISHER-JEFFES TIMOTHY PERRIN, PLUMB WILLIAM, RIEHL PATRICK STANLEY, SATYAMOORTHY ANAND
Format Patent
LanguageChinese
English
Published 02.03.2016
Subjects
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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Summary:A wireless charging system is provided that includes a charger portion that receives one or more portable elements for charging wirelessly. The charger portion controls the amount of power needed to charge the one or more portable elements. An inband communication module receives inband communications with the one or more portable elements using a random access mode. The charger portion utilizes the inband communications to determine how much power is needed, via energy-based reporting, to charge the one or more portable elements that avoids conveying identification information.
Bibliography:Application Number: CN201480005229