SYSTEMS AND METHODS FOR PROVIDING A POWER OPTIMIZED WAVEFORM
First Claim
1. A method of powering wirelessly powered devices comprising:
- providing a wirelessly powered device and a wireless power transmission system;
receiving a power waveform to the wirelessly powered device from the wireless power transmission system;
wherein each cycle of the power waveform includes a charge portion and a starve portion; and
wherein the maximum voltage of the charge portion is at least double the Root Mean Square (“
RMS”
) voltage of the starve portion.
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Accused Products
Abstract
The present invention describes systems and methods for providing a power optimized waveform. An exemplary embodiment of the present invention provides a method of powering wirelessly powered devices including the step of providing a wirelessly powered device and a wireless power transmission system. Furthermore, the method involves receiving a power waveform to the wirelessly powered device from the wireless power transmission system, wherein each cycle of the power waveform includes a charge portion and a starve portion. Additionally, the maximum voltage of the charge portion is at least double the Root Mean Square (“RMS”) voltage of the starve portion.
13 Citations
18 Claims
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1. A method of powering wirelessly powered devices comprising:
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providing a wirelessly powered device and a wireless power transmission system; receiving a power waveform to the wirelessly powered device from the wireless power transmission system; wherein each cycle of the power waveform includes a charge portion and a starve portion; and wherein the maximum voltage of the charge portion is at least double the Root Mean Square (“
RMS”
) voltage of the starve portion. - View Dependent Claims (2, 3, 4)
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5. A method of providing a power optimized waveform comprising:
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providing a charge portion of a first cycle of the power optimized waveform from a wireless power transmission system; providing a starve portion of the first cycle of the power optimized waveform from the wireless power transmission system; and wherein the maximum voltage of the charge portion is at least double the Root Mean Square (“
RMS”
) voltage of the starve portion. - View Dependent Claims (6, 7, 8, 9)
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10. A wirelessly powered device:
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a charge pump including a voltage doubler; the charge pump configured to receive a power optimized waveform; and wherein each cycle of the power optimized waveform includes a charge portion and a starve portion, and the maximum voltage of the charge portion is at least double the Root Mean Square (“
RMS”
) voltage of the starve portion. - View Dependent Claims (11, 12, 14, 15)
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13. A wireless power transmission system:
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a mixer configured to mix a data signal with a power optimized waveform baseband signal; and an amplifier configured to receive the power optimized waveform signal output from the mixer as a bias power input and to receive an input signal from a local oscillator; and an antenna configured to distribute the amplified power optimized waveform signal.
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16. A wireless power transmission system:
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a first mixer configured to mix a data signal with a power optimized waveform baseband signal; a second mixer connected to a power optimized waveform signal output from the first mixer and a local oscillator; a power splitter configured to split the power optimized waveform signal into a plurality of lower powered signals; a plurality of amplifiers configured to amply the plurality of lower powered signals; and a power combiner configured to aggregate the plurality of amplified lower powered signals into an amplified power optimized waveform signal; and an antenna to distribute the amplified power optimized waveform signal.
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17. A wirelessly powered device:
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a charge pump including a plurality of diodes; the charge pump configured to receive a power optimized waveform; and wherein a minority of the pulses in each cycle of the power optimized waveform provide a voltage greater than a threshold voltage of each of the plurality of diodes.
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18. A method of powering wirelessly powered devices comprising:
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providing a wireless power transmission system; providing a power waveform to a wirelessly powered device from the wireless power transmission system; wherein each cycle of the power waveform includes a charge portion and a starve portion, and wherein the maximum current of the charge portion is at least double the Root Mean Square (“
RMS”
) current of the starve portion.
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Specification