Secure Wireless Energy Transfer For Vehicle Applications
First Claim
1. A wireless receiver for use with a first electromagnetic resonator coupled to a power supply, the first electromagnetic resonator having a mode with a resonant frequency ω
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1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the wireless receiver comprising;
a load configured to power a system using electrical power;
a second electromagnetic resonator configured to be coupled to the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2;
wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator; and
a communication facility to confirm compatibility of the first and second electromagnetic resonators and provide authorization for initiation of transfer of power.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless receiver for use with a first electromagnetic resonator coupled to a power supply, the first electromagnetic resonator having a mode with a resonant frequency ω1, an intrinsic loss rate Γ1, and a first Q-factor Q1=ω1/2Γ1, and the wireless receiver includes a load configured to power a system using electrical power, a second electromagnetic resonator configured to be coupled to the load and having a mode with a resonant frequency ω2, an intrinsic loss rate Γ2, and a second Q-factor Q2=ω2/2Γ2, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator; and a communication facility to confirm compatibility of the first and second resonators and provide authorization for initiation of transfer of power.
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Citations
22 Claims
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1. A wireless receiver for use with a first electromagnetic resonator coupled to a power supply, the first electromagnetic resonator having a mode with a resonant frequency ω
-
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the wireless receiver comprising;a load configured to power a system using electrical power; a second electromagnetic resonator configured to be coupled to the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2;wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator; and a communication facility to confirm compatibility of the first and second electromagnetic resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (2, 3, 4, 5, 6, 21, 22)
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1, an intrinsic loss rate Γ
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7. A power source for wirelessly providing power to a wireless receiver, the power source comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge a battery associated with the wireless receiver; a first electromagnetic resonator coupled to the power supply and having a mode with a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1;wherein the first electromagnetic resonator is configured to be wirelessly coupled to a second electromagnetic resonator of the wireless receiver to provide non-radiative wireless power to the second electromagnetic resonator, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2; anda communication facility to confirm compatibility of the first and second electromagnetic resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A wireless power system, comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge a battery of the system; a first electromagnetic resonator coupled to the power supply and having a mode with a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1;a load configured to power the system; a second electromagnetic resonator configured to be coupled to the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2;wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator; and a communication facility to confirm compatibility of the first and second electromagnetic resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification