MULTI-RESONATOR WIRELESS ENERGY TRANSFER FOR IMPLANTED MEDICAL DEVICES
First Claim
1. A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator, the first electromagnetic resonator having a mode with a resonant frequency w1, an intrinsic loss rate Γ
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1, and a first Q-factor Q1=ω
1/2Γ
1 and 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, the mobile wireless receiver comprising;
a load associated with electrically powering a medical device that is adapted to be disposed in the interior of a patient; and
a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, the third resonator having a mode with a resonant frequency ω
3, an intrinsic loss rate Γ
3, and a third Q-factor Q3=ω
3/2Γ
3,wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator with a wireless energy transfer rate κ
, andwherein the square root of the product of Q3 with at least one of Q1 and Q2 is greater than 100.
1 Assignment
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Accused Products
Abstract
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator. The mobile wireless receiver includes a load associated with electrically powering a medical device that is adapted to be disposed in the interior of a patient, and a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator.
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Citations
18 Claims
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1. A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply and a second electromagnetic resonator coupled to at least one of a power supply and the first electromagnetic resonator, the first electromagnetic resonator having a mode with a resonant frequency w1, an intrinsic loss rate Γ
-
1, and a first Q-factor Q1=ω
1/2Γ
1 and 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, the mobile wireless receiver comprising;a load associated with electrically powering a medical device that is adapted to be disposed in the interior of a patient; and a third electromagnetic resonator configured to be coupled to the load and movable relative to at least one of the first electromagnetic resonator and the second electromagnetic resonator, the third resonator having a mode with a resonant frequency ω
3, an intrinsic loss rate Γ
3, and a third Q-factor Q3=ω
3/2Γ
3,wherein the third resonator is configured to be wirelessly coupled to at least one of the first electromagnetic resonator and the second electromagnetic resonator to provide resonant, non-radiative wireless power to the third electromagnetic resonator from at least one of the first electromagnetic resonator and the second electromagnetic resonator with a wireless energy transfer rate κ
, andwherein the square root of the product of Q3 with at least one of Q1 and Q2 is greater than 100. - View Dependent Claims (2, 3, 4, 5, 6)
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1, and a first Q-factor Q1=ω
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7. A power source for wirelessly providing power to a mobile wireless receiver, the power source comprising:
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a power supply; and 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
i,wherein the first electromagnetic resonator is configured to be wirelessly coupled to at least one of a second electromagnetic resonator and a third electromagnetic resonator to provide non-radiative wireless power to at least one of the second electromagnetic resonator and the third 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 and the third resonator having a mode with a resonant frequency ω
3, an intrinsic loss rate Γ
3, and a third Q-factor Q3=ω
3/2Γ
3,wherein at least one of the second and third electromagnetic resonators is coupled to a load that is associated with electrically powering a medical device that is adapted to be disposed in the interior of a patient; wherein the square root of the product of Q1 with at least one of Q2 and Q3 is greater than 100. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A mobile wireless power system, comprising:
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a 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;a 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 third electromagnetic resonator having a mode with a resonant frequency ω
3, an intrinsic loss rate Γ
3, and a third Q-factor Q3=ω
3/2Γ
3;wherein at least one of the electromagnetic resonators is coupled to a power supply and at least one of the electromagnetic resonators is coupled to a load associated with electrically powering a medical device that is adapted to be disposed in the interior of a patient; wherein at least two of the electromagnetic resonators are moveable relative to each other while transferring power; and wherein the square root of the product of at least two of the respective Q factors is greater than 100. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification