SECURE WIRELESS ENERGY TRANSFER IN MEDICAL APPLICATIONS
First Claim
1. A medical device-powering 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 the medical device using electrical power; and
a second electromagnetic resonator adapted to be housed within the medical device and 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;
wherein the square root of the product of the respective Q factors is greater than 100; and
an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power.
1 Assignment
0 Petitions
Accused Products
Abstract
A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load configured to power the medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, 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; wherein the square root of the product of the respective Q factors is greater than 100; and an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power.
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Citations
18 Claims
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1. A medical device-powering 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 the medical device using electrical power; and a second electromagnetic resonator adapted to be housed within the medical device and 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; wherein the square root of the product of the respective Q factors is greater than 100; and an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (2, 3, 4, 5, 6)
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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 of an electrically powered medical device, the power source comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge the battery of a medical device; 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, the first electromagnetic resonator housed in a housing configured to be disposed remotely from the medical device;wherein the first electromagnetic resonator is configured to be wirelessly coupled to a second electromagnetic resonator within the medical device and coupled to a load associated with the medical device 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;wherein the square root of the product of the respective Q factors is greater than 100; and an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A medical device wireless power system, comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge the battery of a medical device; 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, the first electromagnetic resonator housed in a housing configured to be disposed remotely from the medical device;a load configured to power the medical device using electrical power; and a second electromagnetic resonator adapted to be housed within the medical device and 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 first electromagnetic resonator is configured to be wirelessly coupled to a second electromagnetic resonator within the medical device to provide non-radiative wireless power to the second electromagnetic resonator; and wherein the square root of the product of the respective Q factors is greater than 100; and an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification