WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSMITTER
First Claim
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1. A wireless power transfer system comprising:
- a power transmitter configured to wirelessly transfer alternating-current power components of different frequencies simultaneously, the different frequencies including at least a first frequency and a second frequency, anda power receiver having a rectifier circuit configured to convert the alternating-current power components to a direct-current power component,wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
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Abstract
A wireless power transfer system includes a power transmitter configured to wirelessly transfer alternating-current power components of different frequencies simultaneously, the different frequencies including at least a first frequency and a second frequency, and a power receiver having a rectifier circuit configured to convert the alternating-current power components to a direct-current power component, wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
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Citations
8 Claims
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1. A wireless power transfer system comprising:
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a power transmitter configured to wirelessly transfer alternating-current power components of different frequencies simultaneously, the different frequencies including at least a first frequency and a second frequency, and a power receiver having a rectifier circuit configured to convert the alternating-current power components to a direct-current power component, wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power transmitter comprising:
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a waveform generator configured to generate an alternating current electric power of a mixed wave containing at least two different frequencies; and a wireless power transmitting terminal configured to wirelessly transmit the alternating current electric power of the mixed wave, wherein the waveform generator has a first frequency power generator configured to produce a first alternating current power, a second frequency power generator configured to produce a second frequency alternating current power, the second frequency being different from the first frequency, and a mixer configured to combine the first frequency alternating power and the second frequency alternating power and produce a mixed wave, and wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
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8. A wireless power transfer method comprising:
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at a power transmitter, generating a mixed wave containing at least a first alternating current power component of a first frequency and a second alternating current component of a second frequency; wirelessly transferring the mixed wave from the power transmitter to a power receiver; and at the power receiver, rectifying the mixed wave to acquire a direct current electric power, wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
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Specification