Electronic tuning system
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United States of America Patent
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Jul 9, 2019
Grant Date -
Dec 28, 2017
app pub date -
Jun 21, 2017
filing date -
Jun 25, 2016
priority date (Note) -
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Abstract
A system is described for maintaining an inductive-capacitive (LC) network at resonance while the excitation frequency may be varied between a number of discrete frequencies at desired instants controlled by a modulation input, while taking into account component parameter errors due environmental and ageing as well as manufacturing tolerances. Control of the resonance while the excitation frequency changes permits the transmission of frequency modulation (FM) or frequency shift keying (FSK) information through an inductively coupled power transfer system.
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