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US 11,641,221 B2Granted
Wireless power transmitter, wireless power receiver, and control methods thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsKyung-Woo Lee, Sang-Wook Kwon, Sung-Kweon Park
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Abstract
A wireless power receiver, and control methods thereof are provided. The wireless power receiver includes a communication module; and a controller. The controller is configured to identify whether a near-field communication (NFC) tag is detected, wherein the NFC tag is external to a wireless power transmitter and the wireless power receiver, and transmit, by using the communication module, a signal indicating whether the NFC tag is detected to the wireless power transmitter.
Claims26
A wireless power receiver, comprising:
- a resonant circuit;
- a communication module;
- and
- a controller,
- wherein the resonant circuit receives a driving power for driving at least one of the communication module and the controller, and
- wherein the controller is configured to:
- after the driving power is received through the resonant circuit, identify whether a near-field communication (NFC) tag is detected or not, wherein the NFC tag is external to a wireless power transmitter and the wireless power receiver, and
- based on identifying that the external NFC tag is detected, transmit, by using the communication module, a power receiving unit (PRU) advertisement signal for establishing a communication connection with the wireless power transmitter, wherein the PRU advertisement signal includes first information indicating that an NFC receiver included in the wireless power receiver is affected by a wireless power transmission, to the wireless power transmitter.
5 more elements
A control method of a wireless power receiver, the control method comprising:
- after a driving power for driving at least one of a communication circuit of the wireless power receiver or a controller of the wireless power receiver is received through a resonant circuit of the wireless power receiver, identifying, by the controller, whether a near-field communication (NFC) tag is detected or not, wherein the NFC tag is external to a wireless power transmitter and the wireless power receiver;
- and
- based on identifying that the external NFC tag is detected, transmitting, by using the communication circuit, a power receiving unit (PRU) advertisement signal for establishing a communication connection with the wireless power transmitter, wherein the PRU advertisement signal includes first information indicating that an NFC receiver included in the wireless power receiver is affected by a wireless power transmission, to the wireless power transmitter.
A wireless power receiver, comprising:
- a resonant circuit;
- a communication module;
- and
- a controller,
- wherein the resonant circuit receives a driving power for driving at least one of the communication module and the controller, or a charging power for charging the wireless power receiver, and
- wherein the controller is configured to:
- after the driving power or the charging power is received, identify whether a near-field communication (NFC) tag is detected or not, wherein the NFC tag is external to a wireless power transmitter and the wireless power receiver,
- based on identifying that the external NFC tag is not detected and an NFC receiver included in the wireless power receiver is not affected by a wireless power transmission, transmit, by using the communication module and over a communication connection established between the wireless power receiver and the wireless power transmitter, a signal including first information indicating that the NFC receiver included in the wireless power receiver is not affected by the wireless power transmission, to the wireless power transmitter.
5 more elements
A control method of a wireless power receiver, the control method comprising:
- after a driving power for driving at least one of a communication circuit of the wireless power receiver or a controller of the wireless power receiver, or a charging power for charging the wireless power receiver is received through a resonant circuit of the wireless power receiver, identifying, by the controller, whether a near-field communication (NFC) tag is detected or not, wherein the NFC tag is external to a wireless power transmitter and the wireless power receiver;
- and
- based on identifying that the external NFC tag is not detected and an NFC receiver included in the wireless power receiver is not affected by a wireless power transmission, transmitting, by using the communication circuit, over a communication connection established between the wireless power receiver and the wireless power transmitter, a signal including first information indicating that the NFC receiver included in the wireless power receiver is not affected by the wireless power transmission, to the wireless power transmitter.
Dependencies are inferred from the claim text.