POWER TRANSMITTING DEVICE, POWER RECEIVING DEVICE, POWER SUPPLY SYSTEM, AND POWER SUPPLY METHOD
First Claim
1. A power transmitting device able to transmit power to a power receiving device by emitting electromagnetic waves, the power transmitting device comprising:
- a calculating unit for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device and the power receiving device;
a power transmitting unit for transmitting power via a power supply link with the power receiving device at an output not exceeding the maximum value;
an anomaly detecting unit for detecting anomalies in the power supply link on the basis of communication with the power receiving device via the communication link; and
an output control unit for limiting the output on the basis of the detection of an anomaly in the power supply link.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided are a power transmitting device, a power receiving device, a power supply system, and a power supply method able to supply electric power by emitting electromagnetic waves. A power transmitting device (110) comprises: a calculating unit (122) for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device (110) and a power receiving device (150); a power transmitting unit (128) for transmitting power via a power supply link with the power receiving device (150) at an output not exceeding the maximum value; an anomaly detecting unit (126) for detecting an anomaly in the power supply link on the basis of communication with the power receiving device (150) via the communication link; and an output control unit (124) for controlling the output on the basis of the detection of an anomaly in the power supply link.
30 Citations
16 Claims
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1. A power transmitting device able to transmit power to a power receiving device by emitting electromagnetic waves, the power transmitting device comprising:
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a calculating unit for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device and the power receiving device; a power transmitting unit for transmitting power via a power supply link with the power receiving device at an output not exceeding the maximum value; an anomaly detecting unit for detecting anomalies in the power supply link on the basis of communication with the power receiving device via the communication link; and an output control unit for limiting the output on the basis of the detection of an anomaly in the power supply link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A power receiving device able to receive electric power supplied from a power transmitting device by emitting electromagnetic waves, the power receiving device comprising:
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a communication device able to communicate so as to establish the response delay time in communication via a communication link between the power receiving device and the power transmitting device; a power receiving device for receiving electric power supplied via a power supply link with the power transmitting device at an emission output of electromagnetic waves not exceeding the maximum value meeting exposure standards, in accordance with the response delay time; and a power receiving amount acquiring unit for acquiring the amount of power received by the power receiving device in order to limit the output from the power transmitting device in response to an anomaly occurring in the power supply link.
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10. A power supply system including a power transmitting device able to transmit power by emitting electromagnetic waves, and a power receiving device able to receive power supplied by the power transmitting device, the power supply system comprising:
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a calculating unit for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device and the power receiving device; a power transmitting unit in the power transmitting device for transmitting power via a power supply link with the power receiving device at an output not exceeding the maximum value; an anomaly detecting unit for detecting anomalies in the power supply link on the basis of communication with the power receiving device via the communication link; and an output control unit in the power transmitting device for limiting the output on the basis of the detection of an anomaly in the power supply link.
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11. A power supply method executed between a power transmitting device able to transmit power by emitting electromagnetic waves, and a power receiving device able to receive power supplied by the power transmitting device, the power supply method comprising the steps of:
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evaluating the response delay time for communication via the communication link between the power transmitting device and the power receiving device; calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of the response delay time; and causing the power transmitting unit to transmit power via a power supply link with the power receiving device at an output not exceeding the maximum value; the power supply method further comprising the steps of; detecting an anomaly in the power supply link on the basis of communication with the power receiving device via the communication link; and causing the power supply device to limit the output of the power supply link on the basis of the detection of an anomaly in the power supply link. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification