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 a maximum value for an emitted output of electromagnetic waves meeting exposure standards on a basis of a response delay time measured by a wireless communication link between the power transmitting device and the power receiving device, wherein each of the power transmitting device and the power receiving device is capable of transmitting data through the wireless communication link;
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 wireless communication link, wherein the anomaly detecting unit is further configured to detect an anomaly in the wireless communication link; and
an output control unit for limiting the output on the basis of the a detection of an anomaly in the power supply link, wherein the output control unit is configured to limit the output in response to an occurrence of the anomaly in either the wireless communication link or the power supply link.
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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.
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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 a maximum value for an emitted output of electromagnetic waves meeting exposure standards on a basis of a response delay time measured by a wireless communication link between the power transmitting device and the power receiving device, wherein each of the power transmitting device and the power receiving device is capable of transmitting data through the wireless communication link; 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 wireless communication link, wherein the anomaly detecting unit is further configured to detect an anomaly in the wireless communication link; and an output control unit for limiting the output on the basis of the a detection of an anomaly in the power supply link, wherein the output control unit is configured to limit the output in response to an occurrence of the anomaly in either the wireless communication link or the power supply link. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. 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 a maximum value for an emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by a wireless communication link between the power transmitting device and the power receiving device, wherein each of the power transmitting device and the power receiving device is capable of transmitting data through the wireless communication link; 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 wireless communication link, wherein the anomaly detecting unit also detects any anomaly in the wireless communication link; and an output control unit in the power transmitting device for limiting the output on a basis of a detection of an anomaly in the power supply link, wherein the output control unit limits the output in response to an occurrence of the anomaly in at least either the wireless communication link or the power supply link. - View Dependent Claims (14)
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9. 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 a response delay time for communication via a wireless communication link between the power transmitting device and the power receiving device, wherein each of the power transmitting device and the power receiving device is capable of transmitting data through the wireless communication link; calculating a maximum value for an emitted output of electromagnetic waves meeting exposure standards on the basis of the response delay time; and causing, by an output control unit, 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, wherein the output control unit limits the output in response to an occurrence of an anomaly in at least either the wireless communication link or the power supply link; the power supply method further comprising the steps of; detecting, by an anomaly detecting unit, the anomaly in the power supply link on the basis of communication with the power receiving device via the wireless communication link; and causing the power supply device to limit the output of the power supply link on the basis of the detection of the anomaly in the power supply link. - View Dependent Claims (10, 11, 12, 13, 15, 16)
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Specification