Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system
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United States of America Patent
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Apr 17, 2012
Grant Date -
Dec 4, 2008
app pub date -
May 28, 2008
filing date -
May 28, 2007
priority date (Note) -
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Abstract
A contactless power transferring coil unit is provided. The contactless power transferring coil unit includes a flat coil, a magnetic film, and a leaking flux detecting coil. The flat coil is formed by winding a conductive wire into a spiral on a substantially flat plane. The magnetic film is disposed so as to cover one entire flat surface of the flat coil. The leaking flux detecting coil is disposed in a periphery outside an outer edge of the flat coil and the magnetic film and detects leaking magnetic flux from the flat coil.
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