Recharging system and electronic device
First Claim
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1. An electronic device capable of using a rechargeable battery, comprising:
- a casing;
a battery housing received in the casing for receiving the rechargeable battery, the battery housing comprising two electrical contacts for electrically connecting two electrodes of the rechargeable battery; and
a receiver fixed to a surface of the casing of the electronic device, the receiver comprising a receiving coil, the two ends of the receiving coil being connected to the two electrical contacts of the battery housing respectively, the receiving coil being a planar spiral coil substantially parallel to the surface of the casing of the electronic device, the receiving coil configured for inductively coupling to a magnetic field produced by a power supply, and the receiver further comprising a plurality of electromagnets surrounding the receiving coil, the plurality of electromagnets being connected to the rechargeable battery, wherein a switch is disposed between the plurality of electromagnets and the rechargeable battery and is turned on when the battery is recharged.
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Abstract
A recharging system for a rechargeable battery in an electronic device includes a receiver and a power supply. The receiver is fixed to a surface of a casing of the electronic device. The receiver includes a receiving coil connected to the rechargeable battery. The receiving coil is a planar spiral coil substantially parallel to the surface of the casing of the electronic device. The power supply includes a base and a source coil attached to a surface of the base corresponding to the receiving coil, and the source coil is a planar spiral coil and capable of magnetically coupling to the receiving coil of the receiver.
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Citations
1 Claim
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1. An electronic device capable of using a rechargeable battery, comprising:
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a casing; a battery housing received in the casing for receiving the rechargeable battery, the battery housing comprising two electrical contacts for electrically connecting two electrodes of the rechargeable battery; and a receiver fixed to a surface of the casing of the electronic device, the receiver comprising a receiving coil, the two ends of the receiving coil being connected to the two electrical contacts of the battery housing respectively, the receiving coil being a planar spiral coil substantially parallel to the surface of the casing of the electronic device, the receiving coil configured for inductively coupling to a magnetic field produced by a power supply, and the receiver further comprising a plurality of electromagnets surrounding the receiving coil, the plurality of electromagnets being connected to the rechargeable battery, wherein a switch is disposed between the plurality of electromagnets and the rechargeable battery and is turned on when the battery is recharged.
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Specification
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Current AssigneeHong Fu Jin Precision Industry (Shenzhen) Co., Ltd. (Hon Hai Precision Industry Co., Ltd.), Hon Hai Precision Industry Co., Ltd.
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Original AssigneeHong Fu Jin Precision Industry (Shenzhen) Co., Ltd. (Hon Hai Precision Industry Co., Ltd.), Hon Hai Precision Industry Co., Ltd.
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InventorsSip, Kim-Yeung, Li, Xiong
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Primary Examiner(s)Tso, Edward
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Assistant Examiner(s)Omar, Ahmed
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Application NumberUS12/417,662Publication NumberTime in Patent Office1,222 DaysField of Search320/108US Class Current320/108CPC Class CodesH02J 50/10 using inductive couplingH02J 50/90 involving detection or opti...H02J 7/0042 characterised by the mechan...
