Segmented conductive back cover for wireless power transfer
AssigneeQUALCOMM Incorporated
InventorSeong Heon Jeong
Life of this patent
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Abstract
An apparatus for wireless power transfer is disclosed. The apparatus may include a portion of a housing of an electronic device. The portion of the housing may include at least a first electrically conductive segment and a second electrically conductive segment spaced apart from the first electrically conductive segment. A coil of electrically conductive material may be arranged relative to the first and second electrically conductive segments. A power receiving element may include the coil of electrically conductive material and either or both the first and second electrically conductive segments.
Claims30
An apparatus for wireless power transfer comprising:
- a portion of a housing of an electronic device, the portion of the housing comprising at least a first electrically conductive segment and a second electrically conductive segment, the first and second electrically conductive segments spaced apart from each other;
- a coil of electrically conductive material arranged relative to the first and second electrically conductive segments;
- and
- a power receiving element comprising the coil of electrically conductive material and at least one of the first electrically conductive segment or the second electrically conductive segment, the power receiving element configured to couple to an externally generated magnetic field to wirelessly receive power.
An apparatus for wireless power transfer in an electronic device comprising:
- a plurality of electrically conductive segments that constitute a portion of a housing configured to enclose electronic components of the electronic device, the plurality electrically conductive segments separated from each other by a plurality of slots;
- an electrically conductive coil arranged relative to the plurality of electrically conductive segments;
- and
- a power receiving element comprising the electrically conductive coil and the plurality of electrically conductive segments, and configured to couple to an externally generated magnetic field to wirelessly receive power.
A method for wireless power transfer in an electronic device comprising:
- magnetically inducing flows of eddy currents in a plurality of conductive segments that comprise a portion of a housing of an electronic device;
- magnetically inducing a flow of current in an electrically conductive coil arranged relative to the plurality of conductive segments;
- and
- providing either or both the eddy currents in at least one of the plurality of conductive segments or the current in the electrically conductive coil to electronic circuits in the electronic device.
An apparatus for wireless power transfer in an electronic device comprising:
- means for housing the electronic device formed at least in part by a plurality of first means for conducting first electrical current, the plurality of first means spaced from each other;
- a second means for conducting second electrical current different than the first electrical current;
- and
- means for providing either or both the first electrical current or the second electrical current to electronic circuits in the electronic device.
Dependencies are inferred from the claim text.