Push-pull driver with stage inversion and method of operation
First Claim
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1. A transmitter for transferring power wirelessly, comprising:
- a first circuit configured to output a first signal, the first signal comprising a non-inverted output, the first circuit comprising a first choke inductor; and
a second circuit configured to output a second signal in phase with the first signal, the second signal comprising an inverted output with respect to the non-inverted output such that the second signal is a mirror of the first signal, the second circuit comprising a second choke inductor inductively coupled to the first choke inductor, the first circuit and the second circuit further configured to drive a load.
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Abstract
Systems, methods, and apparatus for amplifying a voltage in wireless power transmitters are disclosed. In one aspect, the transmitter comprises a first circuit configured to generate a first signal. The first signal comprises a non-inverted output. The transmitter further comprises a second circuit configured to generate a second signal in phase with the first signal. The second signal comprises an inverted output with respect to the non-inverted output. The first circuit and the second circuit are further configured to drive a load.
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Citations
35 Claims
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1. A transmitter for transferring power wirelessly, comprising:
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a first circuit configured to output a first signal, the first signal comprising a non-inverted output, the first circuit comprising a first choke inductor; and a second circuit configured to output a second signal in phase with the first signal, the second signal comprising an inverted output with respect to the non-inverted output such that the second signal is a mirror of the first signal, the second circuit comprising a second choke inductor inductively coupled to the first choke inductor, the first circuit and the second circuit further configured to drive a load. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for amplifying a voltage, comprising:
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outputting, by a first circuit, a first signal, the first signal comprising a non-inverted output, the first circuit comprising a first choke inductor; outputting, by a second circuit, a second signal in phase with the first signal, the second signal comprising an inverted output with respect to the non-inverted output such that the second signal is a mirror of the first signal, the second circuit comprising a second choke inductor inductively coupled to the first choke inductor; and driving a load based on the first signal and the second signal. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An apparatus configured to amplify a voltage, comprising:
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means for outputting a first signal, the first signal comprising a non-inverted output, the means for outputting a first signal comprising a first choke inductor; means for outputting a second signal in phase with the first signal, the second signal comprising an inverted output with respect to the non-inverted output such that the second signal is a mirror of the first signal, the means for outputting a second signal comprising a second choke inductor inductively coupled to the first choke inductor; and means for driving a load based on the first signal and the second signal. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:
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output, by a first circuit, a first signal, the first signal comprising a non-inverted output, the first circuit comprising a first choke inductor; output, by a second circuit, a second signal in phase with the first signal, the second signal comprising an inverted output with respect to the non-inverted output such that the second signal is a mirror of the first signal, the second circuit comprising a second choke inductor inductively coupled to the first choke inductor; and drive a load based on the first signal and the second signal. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
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Specification