公开(公告)号：US10069348B2

公开(公告)日：2018-09-04

申请号：US14265861

申请日：2014-04-30

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: H01F38/00 ,  H02J50/80 ,  H02J7/02 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J17/00 ,  H04B5/00 ,  H04W76/14 ,  H02J7/00 ,  H02J5/00

Abstract: A control method for transmitting charging power to a wireless power receiver in a wireless power transmitter is provided. The control method includes receiving a Power Transmission Unit (PTU) searching signal for searching for a wireless power transmitter, from the wireless power receiver; obtaining information about an identifier of a signal in a communication scheme used by the wireless power receiver; and exchanging signals with the wireless power receiver based on the information about the identifier of the signal in the communication scheme used by the wireless power receiver.

公开(公告)号：US10045176B2

公开(公告)日：2018-08-07

申请号：US14354766

申请日：2012-12-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soo-Yeon Jung ,  Hyuk-Choon Kwon ,  Ho-Dong Kim ,  Seung-Hoon Park ,  Hae-Young Jun

IPC: G06Q30/00 ,  G06F17/30 ,  H04W4/70 ,  H04W4/50 ,  H04W4/80 ,  H04W4/00 ,  H04W4/06 ,  G06Q30/08 ,  H04W8/00

Abstract: The present invention provides a method for providing a service to a device having an interest in a specific service in a device-to-device (D2D) condition. The method includes: searching for a device which enters into an area managed by a device which provides the specific service; and identifying an interest of the searched device in the specific service and inviting the searched device to participate in the specific service. In the method, by selectively connecting a session based on a service interest, an efficient management in view of an entire network capacity is possible and an advantage of reducing a time for session connection is achieved.

公开(公告)号：US09515514B2

公开(公告)日：2016-12-06

申请号：US14221530

申请日：2014-03-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Hyuk-Choon Kwon ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H02J7/02

CPC classification number: H02J50/40 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80

Abstract: A control method of a wireless power receiving unit receiving charging power from a wireless power transmitting unit to perform wireless charging is provided. The control method includes receiving the charging power from the wireless power transmitting unit; detecting a change in a wireless charging environment; generating a message notifying of the change in the wireless charging environment; and transmitting the message notifying of the change in the wireless charging environment to the wireless power transmitting unit.

Abstract translation: 提供从无线电力发送单元接收充电电力以进行无线充电的无线电力接收单元的控制方法。 控制方法包括从无线电力发送单元接收充电电力; 检测无线充电环境中的变化; 生成通知无线充电环境中的变化的消息; 以及向无线电力发送单元发送通知无线充电环境中的变化的消息。

公开(公告)号：US20150180268A1

公开(公告)日：2015-06-25

申请号：US14413375

申请日：2013-07-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kang-Ho Byun ,  Nam-Yun Kim ,  Hyuk-Choon Kwon ,  Ho-Dong Kim ,  Hae-Young Jun ,  Soo-Yeon Jung ,  Hee-Won Jung

IPC: H02J7/02

CPC classification number: H02J7/025 ,  H02J17/00 ,  H02J50/10 ,  H02J50/12 ,  H02J50/60 ,  H02J50/80 ,  H02J50/90

Abstract: Disclosed is a method for controlling a wireless power transmitter for transmitting charging power to a wireless power receiver. The control method of the present invention comprises the steps of: adjusting the internal impedance of the wireless power transmitter such that the impedance variation occurring when the wireless power receiver is positioned is set to a second impedance variation different from the first impedance variation; applying detection power for detecting the wireless power receiver; detecting the second impedance variation during the application of the detection power so as to detect the wireless power receiver; and changing the impedance variation occurring when the wireless power receiver is positioned from the second impedance variation to the first impedance variation.

Abstract translation: 公开了一种用于控制向无线电力接收机发送充电电力的无线电力发射机的方法。 本发明的控制方法包括以下步骤：调整无线电力发射机的内部阻抗，使得当将无线电力接收机定位时发生的阻抗变化设定为与第一阻抗变化不同的第二阻抗变化; 应用检测功率来检测无线电力接收机; 检测在应用检测功率期间的第二阻抗变化，以便检测无线电力接收机; 以及改变当无线电力接收器从第二阻抗变化定位到第一阻抗变化时发生的阻抗变化。

公开(公告)号：US20140285141A1

公开(公告)日：2014-09-25

申请号：US14221530

申请日：2014-03-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo LEE ,  Hyuk-Choon Kwon ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H02J7/02

CPC classification number: H02J50/40 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80

Abstract: A control method of a wireless power receiving unit receiving charging power from a wireless power transmitting unit to perform wireless charging is provided. The control method includes receiving the charging power from the wireless power transmitting unit; detecting a change in a wireless charging environment; generating a message notifying of the change in the wireless charging environment; and transmitting the message notifying of the change in the wireless charging environment to the wireless power transmitting unit.

Abstract translation: 提供从无线电力发送单元接收充电电力以进行无线充电的无线电力接收单元的控制方法。 控制方法包括从无线电力发送单元接收充电电力; 检测无线充电环境中的变化; 生成通知无线充电环境中的变化的消息; 以及向无线电力发送单元发送通知无线充电环境中的变化的消息。

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

IPC: H02J5/00 ,  H04B5/00 ,  H02J50/60 ,  H02J7/02

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.

公开(公告)号：US11146091B2

公开(公告)日：2021-10-12

申请号：US16774901

申请日：2020-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon Kwon ,  Nam-Yun Kim ,  Hee-Won Jung ,  Soo-Yeon Jung

IPC: H02J7/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80

Abstract: A method for controlling a wireless power transmitter is provided herein. The method includes outputting a first power for detecting a change in a load impedance of the wireless power transmitter; detecting the change in the load impedance of the wireless power transmitter; outputting a second power for communicating with a wireless power receiver; receiving, from the wireless power receiver, a first signal within a preset time period after detecting the change in the load impedance; determining whether a reception intensity of the first signal is less than or equal to a threshold; and based on determining that the reception intensity of the first signal is less than or equal to the threshold, excluding the wireless power receiver from a wireless power network of the wireless power transmitter, the wireless power receiver being outside of the charging range of the wireless power transmitter.

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.

公开(公告)号：US10547192B2

公开(公告)日：2020-01-28

申请号：US16129345

申请日：2018-09-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon Kwon ,  Nam-Yun Kim ,  Hee-Won Jung ,  Soo-Yeon Jung

IPC: H02J7/00 ,  H02J50/40 ,  H02J50/12 ,  H02J7/02 ,  H02J50/80

Abstract: A wireless power transmitter configured to transmit power to a wireless power receiver and a method for controlling the wireless power transmitted are provided. The method includes applying a detection power for detecting a change in a load impedance of the wireless power transmitter; detecting the change in the load impedance of the wireless power transmitter; receiving, from a wireless power receiver, a first signal within a preset time period after detecting the change, wherein the first signal includes a field for a load impedance detection; determining whether the detected change corresponds to the field of the first signal; determining whether a reception intensity of the first signal is greater than a threshold; and based on a determination that the detected change corresponds to the field of the first signal and the reception intensity of the first signal is greater than the threshold, transmitting, to the wireless power receiver, a second signal to form a communication connection with the wireless power receiver.

公开(公告)号：US10425130B2

公开(公告)日：2019-09-24

申请号：US15984928

申请日：2018-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon Kwon ,  Kyung-Woo Lee ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H01F38/00 ,  H04B5/00 ,  H02J50/40 ,  H02J50/12 ,  H02J50/80 ,  H02J50/60 ,  H02J7/02 ,  H02J50/10 ,  H02J5/00 ,  H02J7/04

Abstract: Control method of wireless power receiver that includes transmitting advertisement signal to search for wireless power transmitter; receiving, from wireless power transmitter, connection request signal to form connection between wireless power receiver and wireless power transmitter, wherein connection request signal corresponds to advertisement signal; receiving charging power from wireless power transmitter; detecting error state in wireless power receiver while receiving charging power; generating alert signal indicating error state; and transmitting alert signal to wireless power transmitter, wherein error state includes at least one of over-voltage state in which rectifier voltage of wireless power receiver is greater than reference voltage, over-current state in which rectifier current of the wireless power receiver is greater than reference current, over-temperature state in which temperature of wireless power receiver is greater than reference temperature, and system error of wireless power receiver, and wherein a switch to protect wireless power receiver is turned off if the error state is over-voltage state.