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公开(公告)号：US11652372B2
公开(公告)日：2023-05-16
申请号：US17321702
申请日：2021-05-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung-Woo Lee , Hee-Won Jung , Sang-Wook Kwon , Kang-Ho Byun
CPC classification number: H02J50/80 , H02J50/12 , H02J50/90 , H04B5/0037 , H02J7/0018 , H02J7/0049
Abstract: A wireless power receiver is for receiving power from a wireless power transmitter, the wireless power receiver may include at least one of: resonant circuitry; communication circuitry; and a controller configured to at least one of: enable a charging function to receive, through the resonant circuitry from the wireless power transmitter, first power for charging the wireless power receive, transmit, through the communication circuitry, a first signal indicating complete charge to the wireless power receiver while receiving the first power, receive, through the communication circuitry, a first charging function control signal that disables a charging function from the wireless power transmitter, based on the receiving of the first charging function control signal, disable the charging function, after disabling the charging function, identify that charging is required, transmit, through the communication circuitry, a second signal including information which is, by the wireless power receiver, set based on identifying that the charging is required to the wireless power transmitter, receive, through the communication circuitry, a second charging function control signal, and based on the receiving of the second charging function control signal, enable the charging function without outputting the indication related to the charging.
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公开(公告)号：US11336124B2
公开(公告)日：2022-05-17
申请号：US17184160
申请日：2021-02-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung-Woo Lee , Keum-Su Song , Hee-Won Jung
Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes receiving, from a wireless power transmitter, a first beacon power for a first duration time in every first period; receiving, from the wireless power transmitter, a second beacon power for a second duration time in every second period; if the wireless power receiver determines that an extension of the second beacon power is required, generating load changes while receiving the second beacon power for the second duration time; in response to the generated load changes, continually receiving, from the wireless power transmitter, the second beacon power until a predetermined third duration time, wherein the predetermined third duration time is determined before the second beacon power is transmitted by the wireless power transmitter; and transmitting an advertisement signal to the wireless power transmitter while receiving the second beacon power for the predetermined third duration time.
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公开(公告)号：US11303135B2
公开(公告)日：2022-04-12
申请号：US16791631
申请日：2020-02-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyuk-Choon Kwon , Nam-Yun Kim , Ho-Dong Kim , Kang-Ho Byun , Kyung-Woo Lee , Hee-Won Jung
Abstract: A method and apparatus for controlling a wireless power transmitter configured to transmit power to a wireless power receiver is provided. The method includes receiving a first signal from the wireless power receiver, wherein the first signal comprises load detection indication bits, detecting a change in load of the wireless power transmitter caused by placement of the wireless power receiver in a charging area of the wireless power transmitter, based on the load detection indication bits, and determining whether to transmit a second signal to the wireless power receiver based on detecting the change in load of the wireless power transmitter.
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公开(公告)号：US11128182B2
公开(公告)日：2021-09-21
申请号：US16694478
申请日：2019-11-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kang-Ho Byun , Kyung-Woo Lee , Ho-Seong Lee , Hyuk-Choon Kwon , Soo-Yeon Jung , Hee-Won Jung
IPC: H02J50/80 , H02J7/02 , H02J50/12 , H02J50/40 , H02J50/60 , H04W76/14 , H04B5/00 , H02J5/00 , H02J7/00
Abstract: Disclosed is a control method for transmitting charging power to a wireless power receiver in a wireless power transmitter, including receiving an advertisement signal from a wireless power receiver, the advertisement signal including a handle value and a preset universally unique identifier (UUID), identifying a value assigned to a characteristic by adding a predetermined number to the handle value, transmitting a connection request signal to the wireless power receiver for establishing a communication connection with the wireless power receiver, in response to the advertisement signal, receiving, from the wireless power receiver, static information of the wireless power receiver over the communication connection, and transmitting, based on the static information, a control signal including permission information to the wireless power receiver.
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公开(公告)号：US11108279B2
公开(公告)日：2021-08-31
申请号：US16799355
申请日：2020-02-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung-Woo Lee , Hee-Won Jung
Abstract: A method and an apparatus are provided for determining a cross connection during wireless charging. The method includes transmitting a first power to a plurality of wireless power receivers, based on first voltage setting information of a first wireless power receiver from among the plurality of wireless power receivers; determining to identify whether the wireless power transmitter is cross-connected with a second wireless power receiver from among the plurality of wireless power receivers; receiving second voltage setting information from the second wireless power receiver, while transmitting the first power to the plurality of wireless power receivers; transmitting a second power the plurality of wireless power receivers based on the second voltage setting information of the second wireless power receiver; and receiving measured voltage information from the second wireless power receiver, while transmitting the second power to the plurality of wireless power receivers.
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Patent Agency Ranking
公开(公告)号：US10944294B2
公开(公告)日：2021-03-09
申请号：US16852844
申请日：2020-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung-Woo Lee , Keum-Su Song , Hee-Won Jung
Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes receiving, from a wireless power transmitter, a first beacon power for a first duration time in every first period; receiving, from the wireless power transmitter, a second beacon power for a second duration time in every second period; if the wireless power receiver determines that an extension of the second beacon power is required, generating load changes while receiving the second beacon power for the second duration time; in response to the generated load changes, continually receiving, from the wireless power transmitter, the second beacon power until a predetermined third duration time, wherein the predetermined third duration time is determined before the second beacon power is transmitted by the wireless power transmitter; and transmitting an advertisement signal to the wireless power transmitter while receiving the second beacon power for the predetermined third duration time.
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公开(公告)号：US10811896B2
公开(公告)日：2020-10-20
申请号：US15852110
申请日：2017-12-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung-Woo Lee , Sang-Wook Kwon
Abstract: A wireless power transmitter includes: an antenna for transmitting a plurality of detection powers, each of which includes direction information, in a plurality of directions, respectively; a communication circuit for receiving a communication signal including first direction information included in a first detection power from an electronic device which receives the first detection power among the plurality of detection powers; and a processor for controlling to transmit power for charging based on the first direction information included in the communication signal.
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公开(公告)号：US10763707B2
公开(公告)日：2020-09-01
申请号：US15945378
申请日：2018-04-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung-Woo Lee , Kang-Ho Byun , Hee-Won Jung
Abstract: A control method of a wireless power transmitter and a wireless power transmitter. The method includes transmitting a first power with a first cycle; transmitting a second power with a second cycle, wherein the second cycle is greater than the first cycle; when a wireless power receiver is placed within a charging area and is detected by the first power, upon detecting the wireless power receiver by the first power, transmitting a third power to drive the wireless power receiver to transmit a search signal to the wireless power transmitter; and when the wireless power receiver is placed within the charging area and is not detected by the first power, using the second power to detect the wireless power receiver and drive the wireless power receiver to transmit the search signal to the wireless power transmitter.
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公开(公告)号：US20200251933A1
公开(公告)日：2020-08-06
申请号：US16852844
申请日：2020-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung-Woo Lee , Keum-Su Song , Hee-Won Jung
Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes receiving, from a wireless power transmitter, a first beacon power for a first duration time in every first period; receiving, from the wireless power transmitter, a second beacon power for a second duration time in every second period; if the wireless power receiver determines that an extension of the second beacon power is required, generating load changes while receiving the second beacon power for the second duration time; in response to the generated load changes, continually receiving, from the wireless power transmitter, the second beacon power until a predetermined third duration time, wherein the predetermined third duration time is determined before the second beacon power is transmitted by the wireless power transmitter; and transmitting an advertisement signal to the wireless power transmitter while receiving the second beacon power for the predetermined third duration time.
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公开(公告)号：US10700531B2
公开(公告)日：2020-06-30
申请号：US16388148
申请日：2019-04-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung-Woo Lee , Kang-Ho Byun , Se-Ho Park
IPC: H02J5/00 , H02J7/00 , H02J50/10 , H02J50/40 , H02J50/60 , H02J50/90 , H02J50/12 , H02J50/80 , H04B5/00 , H02J7/02 , H04W52/02
Abstract: A method and apparatus are provided for operating a wireless power transmitter. The method includes controlling the wireless power transmitter to wirelessly transmit power for charging a first power receiver, and while transmitting the power, receiving a search signal from a second power receiver, transmitting a search response signal corresponding to the search signal, and receiving, from the second power receiver, a request join signal including at least one piece of information associated with a power requirement of the second power receiver. Based on identifying that the wireless power transmitter is capable of providing the power having an amount greater than the power requirement of the second power receiver, the method further includes transmitting a charge start command to the second power receiver.
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