WIRELESS POWER TRANSFER APPARATUS
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Mar 6, 2012
filing date -
Mar 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A wireless power transfer apparatus includes a power transmission coil configured to transfer an electric power to a power receiver having a power receiving coil. The apparatus further includes: a housing that holds the power transmission coil and forms an interior in which the power receiver can be placed removably; a lid provided for opening and closing the interior; and an electromagnetic shield encompassing the power transmission coil and the power receiving coil at least when an electric power is transferred. An electric power is transferred with the lid of the housing being closed. This configuration suppresses a possibility that a part of the energy transmitted from the power transmission coil is not received by the power receiving coil, so as to be radiated and leak out during the power transfer.
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