WIRELESS POWER SUPPLY SYSTEM, A POWER RECEIVING DEVICE AND A POWER RECEIVING METHOD FOR A MUSICAL INSTRUMENT
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United States of America
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May 23, 2018
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May 23, 2018
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Abstract
A wireless power supply system to for musical instrument comprises: a power supply device which is configured to wirelessly transmit microwaves, and a first power receiving device which is attached to a first musical instrument. The first power receiving device is configured to: receive the wirelessly transmitted microwave, and generate a first electric power from the received microwave, wherein the first electric power is supplied to at least one of a first electronic device installed in the first musical instrument and a first battery installed in the first musical instrument.
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