Wireless Charging Device, Device To-Be-Charged, and Method for Controlling Charging
AssigneeGuangdong Oppo Mobile Telecommunications Corp., Ltd.
InventorsShiming Wan, Jialiang Zhang
Life of this patent
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Abstract
Provided are a wireless charging device, a device to-be-charged, a method for controlling charging. The wireless charging device includes a wireless transmitting circuit, a transmitting coil, and a control circuit. The transmitting coil includes multiple pairs of joints, and transmitting-coil turns defined by each pair of joints is different. The control circuit is configured to select one of the multiple pairs of joints to be electrically coupled with the wireless transmitting circuit.
Claims20
A wireless charging device, comprising:
- a wireless transmitting circuit;
- a transmitting coil, comprising multiple pairs of joints, wherein transmitting-coil turns defined by each pair of joints is different;
- and
- a control circuit, configured to select one of the multiple pairs of joints to be electrically coupled with the wireless transmitting circuit.
A device to-be-charged, comprising:
- a receiving coil, comprising multiple pairs of joints, wherein transmitting-coil turns defined by each pair of joints is different;
- a wireless receiving circuit;
- and
- a control circuit, configured to select one of the multiple pairs of joints to be electrically coupled with the wireless receiving circuit.
A method for controlling charging, being applicable to a device comprising a wireless circuit and a coil, wherein the coil comprises multiple pairs of joints and coil turns defined by each pair of joints is different, and the method comprises:
- selecting one of the multiple pairs of joints to be electrically coupled with the wireless circuit, according to a charging mode in which a battery of a device to-be-charged is charged.
Dependencies are inferred from the claim text.