WIRELESS ELECTRICAL POWER TRANSMISSION SYSTEM AND ITS CONTROL METHOD
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United States of America Patent
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Issued Date -
Nov 14, 2013
app pub date -
Jan 30, 2011
filing date -
Jan 30, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention provides a wireless electrical power transmission system and its control method with good thermal stability. Said system, comprising a transmitting coil frequency generating part and a coil frequency phase tracking and feedback part, the transmitting coil frequency generating part composed of a control circuit, a driving circuit and an inverter circuit, the coil frequency phase tracking and feedback part composed of a frequency detection circuit and a phase locked loop circuit, is characterized in that said control circuit is controlled by software to output two opposite control signals, each of which controls opening and closing of a switch tube after passing through the driving circuit to generate high-frequency oscillation in the coil.
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