Wireless charging apparatus based on three-dimensional (3D) wireless charging zone
First Claim
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1. A wireless charging apparatus comprising:
- a plurality of transmitting coils included in a wireless charging zone in a three-dimensional (3D) form; and
at least one power source configured to supply a current to the plurality of transmitting coils,wherein the at least one pair of transmitting coils are configured to form a quiet zone indicating a magnetic field having an equalized energy density in the wireless charging zone.
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Abstract
Provided is a wireless charging apparatus for performing wireless charging of an electronic device including a receiving coil located in a three-dimensional (3D) wireless charging zone using a plurality of transmitting coils arranged in the 3D wireless charging zone and at least one power source configured to supply a current to the plurality of transmitting coils.
21 Citations
12 Claims
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1. A wireless charging apparatus comprising:
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a plurality of transmitting coils included in a wireless charging zone in a three-dimensional (3D) form; and at least one power source configured to supply a current to the plurality of transmitting coils, wherein the at least one pair of transmitting coils are configured to form a quiet zone indicating a magnetic field having an equalized energy density in the wireless charging zone. - View Dependent Claims (2, 3, 4, 5)
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6. A wireless charging apparatus comprising:
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a first pair of transmitting coils arranged to face each other in a wireless charging zone in a three-dimensional (3D) form; a second pair of transmitting coils arranged to face each other in a wireless charging zone in a three-dimensional (3D) form; a power source configured to control a phase of a current supplied to the first pair and the second pair for forming a quiet zone indicating a magnetic field having an equalized energy density in the wireless charging zone. - View Dependent Claims (7, 8, 9)
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10. A wireless charging apparatus comprising:
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a plurality of transmitting coils arranged at a wireless charging zone; a power source configured to control a phase of a current supplied to the plurality of transmitting coils for forming a quiet zone indicating a magnetic field having an equalized energy density in the wireless charging zone. - View Dependent Claims (11, 12)
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Specification