Resonant induction to power a graphics processing unit
First Claim
1. A resonant induction system comprising:
- a transmitter circuit tuned to a resonant frequency, wherein the transmitter circuit generates a non-radiative magnetic field when a control current is passed through the transmitter circuit;
a receiver circuit, resonantly coupled to the non-radiative magnetic field generated by the transmitter circuit, and tuned to the resonant frequency of the transmitter circuit, wherein the receiver circuit is located in a graphics processing unit, and wherein the transmitter circuit and the receiver circuit are resonantly coupled to each other at the resonant frequency;
a control current source to supply the control current to the transmitter circuit;
a feedback module communicatively coupled to the graphics processing unit to determine a power requirement of the graphics processing unit while executing a computer graphics application; and
a current control module communicatively coupled to the feedback module to set the control current value according to the power requirement provided by the feedback module, the resonant frequency of the transmitter circuit and the receiver circuit being related according to the equation;
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Accused Products
Abstract
A method, system and an apparatus of resonant induction to power a graphics processing unit (GPU) are disclosed. In one embodiment, a resonant induction system is described. The resonant induction system includes a transmitter circuit tuned to a resonant frequency. The transmitter circuit generates a non-radiative magnetic field when a control current is passed through the transmitter circuit. The resonant induction system also includes a receiver circuit, resonantly coupled to the non-radiative magnetic field generated by the transmitter circuit, and tuned to the resonant frequency of the transmitter circuit. The receiver circuit is located in a GPU. The transmitter circuit and the receiver circuit are resonantly coupled to each other at the resonant frequency. A control current source supplies the control current to the transmitter circuit. A feedback module may be communicatively coupled to the GPU to determine a power requirement of a particular computer graphics application.
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Citations
13 Claims
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1. A resonant induction system comprising:
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a transmitter circuit tuned to a resonant frequency, wherein the transmitter circuit generates a non-radiative magnetic field when a control current is passed through the transmitter circuit; a receiver circuit, resonantly coupled to the non-radiative magnetic field generated by the transmitter circuit, and tuned to the resonant frequency of the transmitter circuit, wherein the receiver circuit is located in a graphics processing unit, and wherein the transmitter circuit and the receiver circuit are resonantly coupled to each other at the resonant frequency; a control current source to supply the control current to the transmitter circuit; a feedback module communicatively coupled to the graphics processing unit to determine a power requirement of the graphics processing unit while executing a computer graphics application; and a current control module communicatively coupled to the feedback module to set the control current value according to the power requirement provided by the feedback module, the resonant frequency of the transmitter circuit and the receiver circuit being related according to the equation; - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A graphics processing unit comprising:
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a graphics processor; a plurality of receiver circuits each designed to resonantly couple with a non-radiative magnetic field at a different resonant frequency, and to provide an induced current; a power distribution module to distribute the induced current to the graphics processor; a feedback module to determine a power requirement of the graphics processor, the feedback module rendering a signal comprising an information of the power requirement of the graphics processing unit; and a switch circuit to communicatively couple with a particular receiver circuit of the plurality of receiver circuits according to the different resonant frequency, wherein the switch circuit receives the induced current from the particular receiver circuit. - View Dependent Claims (9, 10)
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11. A method comprising:
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providing a graphics processing unit; obtaining a design parameter of a receiver circuit according to a range of power used by a graphics processing unit; coupling a resonant receiver circuit with a non-radiative magnetic field, wherein the non-radiative magnetic field mediates a power transfer by causing an induced current in the resonant receiver circuit; determining a power requirement of the graphics processing unit while executing a computer graphics application; and controlling the induced current according to the determined power requirement, a resonant frequency of the non-radiative magnetic field with reference to a transmitter circuit and the resonant receiver circuit being related according to the equation; - View Dependent Claims (12, 13)
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Specification