WIRELESS CHARGING SYSTEM AND METHOD
First Claim
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1. A wireless charger, comprising:
- a sensing device, determining a shape of a recharging area of an electronic device placed on the wireless charger;
a charging coil array, comprising a plurality of dynamic charging coils, wherein the charging coil array selectively turns on a part of the dynamic charging coils; and
a processor, driving the part of the dynamic charging coils of the charging coil array to charge the electronic device by wireless charging, wherein the part of the dynamic charging coils of the charging coil array corresponds to the shape of the recharging area.
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Abstract
The present invention provides a wireless charger including a sensing device, a charging coil array and a processor. The sensing device determines the shape of the recharging area of an electronic device placed on the wireless charger. The charging coil array includes a plurality of dynamic charging coils and selectively turns on a part of the dynamic charging coils. The processor drives the part of the dynamic charging coils to charge the electronic device by wireless charging, wherein the part of the dynamic charging coils of the charging coil array is corresponding to the shape of the recharging area.
42 Citations
10 Claims
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1. A wireless charger, comprising:
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a sensing device, determining a shape of a recharging area of an electronic device placed on the wireless charger; a charging coil array, comprising a plurality of dynamic charging coils, wherein the charging coil array selectively turns on a part of the dynamic charging coils; and a processor, driving the part of the dynamic charging coils of the charging coil array to charge the electronic device by wireless charging, wherein the part of the dynamic charging coils of the charging coil array corresponds to the shape of the recharging area. - View Dependent Claims (2, 3, 4)
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5. An electronic device, comprising:
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an inductive charging coil, producing an induced current due to a magnetic field caused by a wireless charger, and providing the induced current to charge the electronic device; and an RFID tag coil, representing a shape of a recharging area of the electronic device, wherein the RFID tag coil is disposed above or under the inductive charging coil and covers the shape of the recharging area of the electronic device. - View Dependent Claims (6)
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7. An wireless charging system, comprising:
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a sensing device, determining the shape of the recharging area of an electronic device placed on a wireless charger; a charging coil array, comprising a plurality of dynamic charging coils, wherein the charging coil array selectively turns on a part of the dynamic charging coils to induce a magnetic field; a processor, driving the part of the dynamic charging coils, which corresponds to the shape of the recharging area, to charge the electronic device by wireless charging; and an inductive charging coil, producing an induced current due to the magnetic field to charge the electronic device, wherein the inductive charging coil is disposed in the electronic device. - View Dependent Claims (8)
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9. A wireless charging method, comprising:
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determining a shape of a recharging area of the electronic device when an electronic device is placed on a wireless charger; and selectively turning on a plurality of dynamic charging coils of a charging coil array according to the shape of the recharging area of the electronic device to induce a magnetic field to charge the electronic device. - View Dependent Claims (10)
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Specification