System, apparatus and method for optimizing wireless charging via load modulation
First Claim
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1. A wireless charging system, comprising:
- a power transmitter configured to generate wireless energy for electrical power;
a power receiver configured to receive wireless energy for electrical power at a predetermined carrier frequency that is configured to be one of fixed or tuned during operation; and
a controller, operatively coupled to the power receiver, wherein the controller is configured to activate when the power receiver receives the wireless energy, and wherein the controller is configured to control a load modulation element to generate one or more signals comprising information associated with system operation and performance optimization, and wherein the one or more signals are transmitted via the power receiver.
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Abstract
A wireless charging system, including a power transmitter configured to generate wireless energy, and a power receiver configured to receive wireless energy at a predetermined carrier frequency that could be fixed or tuned during operation. A controller, wherein the controller is configured to activate when the power receiver receives the wireless energy. The controller may be configured to control a load modulation element to generate one or more signals containing relevant information for system operation and performance optimization, and wherein the one or more signals are transmitted via the power receiver.
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Citations
20 Claims
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1. A wireless charging system, comprising:
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a power transmitter configured to generate wireless energy for electrical power; a power receiver configured to receive wireless energy for electrical power at a predetermined carrier frequency that is configured to be one of fixed or tuned during operation; and a controller, operatively coupled to the power receiver, wherein the controller is configured to activate when the power receiver receives the wireless energy, and wherein the controller is configured to control a load modulation element to generate one or more signals comprising information associated with system operation and performance optimization, and wherein the one or more signals are transmitted via the power receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for operating a wireless charging system, comprising:
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configuring a power transmitter to generate wireless energy for power; configuring a power receiver to receive wireless energy for power at a predetermined carrier frequency configured to be one of fixed or tuned during operation; activating a controller, operatively coupled to the power receiver, when the power receiver receives the wireless energy; controlling, via the controller, a load modulation element to generate one or more signals comprising information associated with system operation and performance optimization, and wherein the generated one or more signals are transmitted via the power receiver. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A power receiver configured to receive wireless energy, comprising:
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an input comprising one or more charging windings for receiving wireless energy for power at a predetermined carrier frequency configured to be one of fixed or tuned during operation; a rectification circuit, operatively coupled to the input; a load modulation circuit, operatively coupled to the rectification circuit; and a controller, operatively coupled to the load modulation circuit, wherein the controller is configured to activate when the input receives the wireless energy, and wherein the controller is configured to control a load modulation element to generate one or more signals comprising information associated with system operation and performance optimization, and wherein the one or more signals are transmitted via the charging windings. - View Dependent Claims (18, 19, 20)
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Specification