Resonance type power transmission device
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United States of America Patent
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Mar 26, 2019
Grant Date -
Oct 11, 2018
app pub date -
Jan 28, 2015
filing date -
Jan 28, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a resonance type power transmission device in which a plurality of systems having respective transmitters and receivers 3 are arranged opposite to each other and each of the systems transmits electric power having a single frequency, each of the transmitters and receivers having a transmission antenna 5 and a reception antenna 6 which are disposed so as to be fitted to each other, and in which a magnetic sheet 7 is disposed in a portion between the systems, opposite to the transmitters and receivers 3 at a distance, from each of the transmitters and receivers 3, of 1/10 or more of the minimum of the outer diameters of the transmission antenna 5 and the reception antenna 6.
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