Coil structure and wireless power transmitter using the same
First Claim
Patent Images
1. A coil structure comprising:
- a first coil configured as a flat coil having plural coils wound radially in one plane;
a second coil wound around the first coil; and
a third coil wound around the first coil in a direction perpendicular to a winding direction of the second coil,wherein the second coil and the third coil from a loop circuit that is configured to have a same resonance frequency as a resonance frequency of the first coil.
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Abstract
A coil structure may include a first coil wound on one plane, at least one second coil wound around the first coil, and at least one third coil wound around the first coil in a direction which is perpendicular to a winding direction of the at least one second coil.
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Citations
22 Claims
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1. A coil structure comprising:
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a first coil configured as a flat coil having plural coils wound radially in one plane; a second coil wound around the first coil; and a third coil wound around the first coil in a direction perpendicular to a winding direction of the second coil, wherein the second coil and the third coil from a loop circuit that is configured to have a same resonance frequency as a resonance frequency of the first coil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 20, 22)
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9. A wireless power transmitter wirelessly radiating power, the wireless power transmitter comprising:
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an inverter configured to provide resonance power; and a resonator configured to resonate according to the resonance power to wirelessly provide non-contact type power, the resonator comprising; a first coil wound in one plane; a second coil wound around the first coil; and a third coil wound around the first coil in a direction perpendicular to a winding direction of the second coil, wherein the second coil and the third coil form a loop circuit that is configured to have a same resonance frequency as a resonance frequency of the first coil. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 19, 21)
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17. A wireless power transmitter wirelessly transmitting power, the wireless power transmitter comprising:
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a first coil having plural coils wound radially in one plane; a second coil wound around the first coil; a third coil wound around the first coil in a direction perpendicular to a winding direction of the second coil; and
,a processor configured to adaptively reconfigure any one or both of an electrical connection or operational parameter of the first, second and third coils, wherein the second coil and the third coil from a loop circuit that is configured to have a same resonance frequency as a resonance frequency of the first coil. - View Dependent Claims (18)
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Specification