SYSTEMS AND METHODS FOR BI-STATE IMPEDANCE CONVERSION IN WIRELESS POWER TRANSFER
First Claim
Patent Images
1. A wireless power transmitter comprising:
- a transmit antenna configured to generate a field for wireless transmit power in both a first and second configuration;
a first capacitor; and
at least one switch configured to selectively connect the first capacitor in one of the first and second configuration, the first capacitor being in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration.
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Abstract
One aspect provides a wireless power transmitter. The wireless power transmitter includes a transmit antenna configured to generate a field for wireless transmit power in both a first and second configuration. The wireless power transmitter further includes a first capacitor. The wireless power transmitter further includes at least one switch configured to selectively connect the first capacitor in one of the first and second configuration. The first capacitor can be in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration.
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Citations
32 Claims
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1. A wireless power transmitter comprising:
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a transmit antenna configured to generate a field for wireless transmit power in both a first and second configuration; a first capacitor; and at least one switch configured to selectively connect the first capacitor in one of the first and second configuration, the first capacitor being in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising of transmitting wireless charging power in a wireless power transmitter, comprising:
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generating, at a transmit antenna, a field for wireless transmit power in both a first and second configuration; and selectively connecting a first capacitor in one of the first and second configuration, the first capacitor being in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An apparatus for transmitting wireless charging power, comprising:
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a first capacitor; means for generating a field for wireless transmit power in both a first and second configuration; and means for selectively connecting the first capacitor in one of the first and second configuration, the first capacitor being in series with the means for generating in the first configuration and in parallel with the means for generating in the second configuration. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:
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generate, at a transmit antenna, a field for wireless transmit power in both a first and second configuration; and selectively connect a first capacitor in one of the first and second configuration, the first capacitor being in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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Specification