MODULAR INDUCTIVE POWER TRANSFER POWER SUPPLY AND METHOD OF OPERATION
First Claim
Patent Images
1. A wireless power transmitter, comprising:
- a conductive structure configured to generate a field; and
a plurality of electrical circuits operatively connected to the conductive structure and driven by a plurality of sources to provide the conductive structure with a substantially constant current.
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Abstract
This disclosure provides systems, methods and apparatus for connecting and operating an AC source to a load. In one aspect a power supply topology is provided which may be of particular use in the area of wireless power transfer. The topology allows for multiple sources to be operatively connected to a single conductive structure configured to generate a field, maintaining overall system power while lowering the power output of each source.
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Citations
25 Claims
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1. A wireless power transmitter, comprising:
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a conductive structure configured to generate a field; and a plurality of electrical circuits operatively connected to the conductive structure and driven by a plurality of sources to provide the conductive structure with a substantially constant current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of wirelessly transmitting power, comprising:
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providing a substantially constant current in a conductive structure via a plurality of sources; generating a magnetic field via the conductive structure; and operatively disconnecting at least one source of the plurality of sources from the conductive structure. - View Dependent Claims (22)
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23. A wireless power transmitter, comprising:
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means for providing power; means for generating a magnetic field; and means for connecting the means for providing power to the means for generating a magnetic field, the means for connecting comprising means for tuning the transmitter to a resonant frequency, the means for connecting further comprising means for providing a substantially constant current in the means for generating the magnetic field. - View Dependent Claims (24, 25)
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Specification