Adjusting filter in a coupled coil system

A receiver device (404) in a coupled coil system (400) for wireless energy transfer includes a receiver coil (410) and a load device (414) operatively connected to the receiver coil and configured to receive a signal from the receiver coil. As one example, the load device is a rechargeable battery....

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Bibliographic Details
Main Authors Moyer, Todd K, Alves, Jeffrey M, Ritter, David W, Herbst, Steven G
Format Patent
LanguageEnglish
Published 29.03.2018
Subjects
BASIC ELECTRONIC CIRCUITRY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
SYSTEMS FOR STORING ELECTRIC ENERGY
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Summary:A receiver device (404) in a coupled coil system (400) for wireless energy transfer includes a receiver coil (410) and a load device (414) operatively connected to the receiver coil and configured to receive a signal from the receiver coil. As one example, the load device is a rechargeable battery. An adjusting filter (416) is included in the receiver device and is operatively connected between the receiver coil and the load device. The adjusting filter can be used to transform the effective resistance or impedance of the load as presented to the transformer during energy transfer so that the effective resistant or impedance of the load is maintained at a substantially constant level, and the signal received by the load device is maintained at a substantially constant level.
Bibliography:Application Number: AU20150218896