CHARGING SYSTEM AND ELECTRONIC DEVICE
First Claim
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1. A charging system for charging a rechargeable battery in an electronic device, the charging system comprising:
- a charging generator comprising a first coil, the first coil being a planar spiral coil;
a receiver comprising a second coil magnetically coupled to the first coil, and a charging module electrically connecting the second coil to the rechargeable battery, the charging module configured for charging the rechargeable battery using current induced in the second coil, the second coil being a planar spiral coil; and
at least one magnetic core sleeved by the first coil or by the second coil.
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Abstract
A charging system for charging a rechargeable battery in an electronic device includes a charging generator, a receiver and at least one magnetic core. The charging generator includes a first coil. The receiver includes a second coil magnetically coupled to the first coil, and a charging module electrically connecting the second coil to the rechargeable battery. The charging module is configured for charging the rechargeable battery using current induced in the second coil. The at least one magnetic core is sleeved by the first coil or by the second coil.
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Citations
19 Claims
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1. A charging system for charging a rechargeable battery in an electronic device, the charging system comprising:
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a charging generator comprising a first coil, the first coil being a planar spiral coil; a receiver comprising a second coil magnetically coupled to the first coil, and a charging module electrically connecting the second coil to the rechargeable battery, the charging module configured for charging the rechargeable battery using current induced in the second coil, the second coil being a planar spiral coil; and at least one magnetic core sleeved by the first coil or by the second coil. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic device, comprising:
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a rechargeable battery; and a receiver comprising a coil, and a charging module electrically connecting the coil to the rechargeable battery, the coil being a planar spiral coil and configured for inductively coupling to a magnetic field produced by a charging generator, the charging module configured for charging the rechargeable battery using current induced in the coil. - View Dependent Claims (9, 10, 11, 12)
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13. A charging system, comprising:
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a charging generator comprising a first coil, the first coil being a planar spiral coil; an electronic device, comprising; a rechargeable battery; and a receiver comprising a second coil magnetically coupled to the first coil, and a charging module electrically connecting the second coil to the rechargeable battery, the charging module configured for charging the rechargeable battery using current induced in the second coil, the second coil being a planar spiral coil; and at least one magnetic core sleeved by the first coil or by the second coil. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification