UNIVERSAL WIRELESS POWER SYSTEM COIL APPARATUS
First Claim
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1. A wireless power system comprising:
- a wireless power transmitter comprising a first coil configured to transmit power; and
a wireless power receiver comprising a second coil configured to receive power,one of the wireless power transmitter and the wireless power receiver further comprising a limited flux steering mechanism,the first coil and second coil being configured to form a first electro-magnetic coupling at a first operating frequency, the limited flux steering mechanism being configured to reduce an effect of nearby conductive objects on the first electromagnetic coupling.
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Abstract
A wireless power system. In one embodiment, the wireless power system comprises a wireless transmitter capable of transmitting power and a wireless receiver capable of receiving power such that the coupling between the transmitter and receiver is negligibly affected by introduction of an electrically conducting object near the wireless power system.
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Citations
20 Claims
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1. A wireless power system comprising:
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a wireless power transmitter comprising a first coil configured to transmit power; and a wireless power receiver comprising a second coil configured to receive power, one of the wireless power transmitter and the wireless power receiver further comprising a limited flux steering mechanism, the first coil and second coil being configured to form a first electro-magnetic coupling at a first operating frequency, the limited flux steering mechanism being configured to reduce an effect of nearby conductive objects on the first electromagnetic coupling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A wireless power transmission system comprising:
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a wireless transmitter comprising a first coil and a magnetic structure backing the first coil, the wireless transmitter being configured to wirelessly transmit power at a first frequency below 300 kHz and a second frequency above 3 MHz; and a wireless receiver configured to receive power. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification