Electric power transmission system with power transmission and receiving antennas
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Aug 30, 2013
filing date -
Aug 31, 2012
priority date (Note) -
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Abstract
An electric power transmission system can include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if a load resistance value is R, the following relationships are established:
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