POWER TRANSMISSION SYSTEM
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United States of America Patent
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N/A
Issued Date -
Jan 16, 2014
app pub date -
Mar 27, 2012
filing date -
Mar 30, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power transmission system includes: a switching element that converts a DC voltage into an AC voltage of a predetermined frequency to output; a power-transmission antenna unit into which the output AC voltage is input; a current detection unit that detects current flowing through the power-transmission antenna unit; a peak hold unit that acquires a peak value of current detected by the current detection unit; a timer unit that measures a timer value of a difference in time between when the switching element is turned ON and when a zero current is detected by the current detection unit; a frequency determination unit that determines the frequency based on the peak value acquired by the peak hold unit and the timer value measured by the timer unit; and a control unit that drives, based on the frequency determined by the frequency determination unit, the switching element to transmit power.
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