Wireless power supply system, power transmission device and power receiving device
First Claim
1. A wireless power supply system that wirelessly supplies electric power through electromagnetic waves, the wireless power supply system comprising:
- a power transmitter configured to transmit an electromagnetic wave;
a plurality of power receivers disposed on a rotatable object supported rotatably around a rotation axis by a mount stage and configured to receive the electromagnetic wave, the plurality of power receivers being disposed such that at least one power receiver of the plurality of power receivers is located within a coverage area formed by the electromagnetic wave transmitted by the power transmitter; and
a driver controller configured to calculate transmitting direction information for determining a transmitting direction of the electromagnetic wave for the at least one power receiver located within the coverage area, from driver control data to control a driver that drives rotation of the rotatable object,wherein the power transmitter is further configured to;
obtain the transmitting direction information; and
transmit the electromagnetic wave in a direction calculated based on the transmitting direction information.
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Accused Products
Abstract
A wireless power supply system is a system wirelessly supplying electric power through electromagnetic waves. The wireless power supply system includes a power transmitter transmitting an electromagnetic wave, and a plurality of power receivers disposed on a rotatable object that rotates around a rotation axis and receives the electromagnetic wave. Further, the plurality of power receivers of the wireless power supply system is disposed such that at least one of the plurality of power receivers is located within a coverage area formed by the electromagnetic wave transmitted by the power transmitter.
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Citations
6 Claims
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1. A wireless power supply system that wirelessly supplies electric power through electromagnetic waves, the wireless power supply system comprising:
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a power transmitter configured to transmit an electromagnetic wave; a plurality of power receivers disposed on a rotatable object supported rotatably around a rotation axis by a mount stage and configured to receive the electromagnetic wave, the plurality of power receivers being disposed such that at least one power receiver of the plurality of power receivers is located within a coverage area formed by the electromagnetic wave transmitted by the power transmitter; and a driver controller configured to calculate transmitting direction information for determining a transmitting direction of the electromagnetic wave for the at least one power receiver located within the coverage area, from driver control data to control a driver that drives rotation of the rotatable object, wherein the power transmitter is further configured to; obtain the transmitting direction information; and transmit the electromagnetic wave in a direction calculated based on the transmitting direction information. - View Dependent Claims (2, 3)
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4. A power transmission device that wirelessly supplies electric power through electromagnetic waves, the power transmission device comprising:
a power transmitter configured to; transmit an electromagnetic wave to a plurality of power receivers disposed on a rotatable object supported rotatably around a rotation axis by a mount stage, obtain transmitting direction information, being calculated from driver control data to control a driver that drives rotation of the rotatable object, for determining a transmitting direction of the electromagnetic wave toward at least one power receiver among the plurality of power receivers disposed such that the at least one power receiver is located within a coverage area formed by the electromagnetic wave; and transmit the electromagnetic wave in a direction calculated based on the transmitting direction information.
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5. A power receiving device that wirelessly receives electric power through electromagnetic waves, the power receiving device comprising:
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a plurality of power receivers disposed on a rotatable object, the rotatable object supported rotatably around a rotation axis by a mount stage, driven around the rotation axis by a driver, and receiving an electromagnetic wave transmitted by a power transmitter, wherein the power transmitter controls a transmitting direction of the electromagnetic wave based on transmitting direction information being calculated from driver control data to control the driver, and the plurality of power receivers is disposed such that at least one power receiver of the plurality of power receivers is located within a coverage area formed by the electromagnetic wave.
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6. A wireless power supply system comprising:
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a plurality of power receivers disposed on a rotatable object supported rotatably around a rotation axis by a mount stage and configured to receive an electromagnetic wave; and a power transmitter configured to transmit the electromagnetic wave by directing an emitting direction of a beam to at least one power receiver among the plurality of power receivers that rotate, based on driver control data to control a driver that drives rotation of the rotatable object.
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Specification