公开(公告)号：US20200021121A1

公开(公告)日：2020-01-16

申请号：US16513474

申请日：2019-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juhyang LEE ,  Yusu KIM ,  Kyungmin PARK ,  Wooram LEE ,  Byungyeol CHOI ,  Yongsang YUN ,  Chihyun CHO

IPC: H02J7/00 ,  H02J7/04 ,  H02J7/02 ,  H02J50/80 ,  H02J50/12

Abstract: According to various embodiments, an electronic device may include: a battery; a charging circuit; a wireless power reception circuit configured to acquire transmission power wirelessly output from an external electronic device; and a processor, wherein the processor is configured to charge the battery through the charging circuit by using reception power acquired through the wireless power reception circuit, obtain status information related to the charging operation during the charging operation, and transmit a specified signal, corresponding to pausing of the transmission power, to the external electronic device such that the external electronic device pauses outputting of the transmission power, at least on the basis of the status information. In addition to the various embodiments according, other various embodiments are also possible.

公开(公告)号：US20220077722A1

公开(公告)日：2022-03-10

申请号：US17428908

申请日：2020-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyundeok SEO ,  Byunghwa PARK ,  Kyungmin PARK ,  Juhyang LEE ,  Hyunho LEE ,  Byungyeol CHOI ,  Yusu KIM ,  Chihyun CHO

IPC: H02J50/80 ,  H02J50/10 ,  H02J50/90 ,  H02J7/00 ,  H04B5/00

Abstract: An electronic device may comprise: a battery; a charging circuit; a wireless power receiver circuit configured to acquire transmitted power wirelessly output from an external electronic device; and a processor. The processor may be configured to control the electronic device to: charge the battery through the charging circuit using received power acquired through the wireless power receiver circuit; identify at least one piece of information related to the charging, while the charging operation is performed; transmit a designated signal corresponding to suspension of the transmitted power to the external electronic device such that the external electronic device enters a wireless charging standby mode, in which the external electronic device holds the operation of outputting the transmitted power, at least partially based on the at least one piece of information; identify first situation information regarding the electronic device during the wireless charging standby mode; identify second situation information regarding the electronic device, in response to identifying the first situation information; and sense the electronic device being detached from the external electronic device based on the electronic device corresponding to the first situation information and the second situation information.

公开(公告)号：US20200036212A1

公开(公告)日：2020-01-30

申请号：US16263397

申请日：2019-01-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byungyeol CHOI ,  Seho PARK ,  Yusu KIM ,  Kyungmin PARK ,  Wooram LEE ,  Juhyang LEE ,  Yongsang YUN ,  Chihyun CHO

IPC: H02J7/02 ,  H02J50/12 ,  H02J50/80 ,  H04W12/06 ,  H04B5/00

Abstract: An electronic device and a method for controlling the operation of the electronic device are provided. The electronic device includes a wireless power reception circuit, a wireless communication circuit, and a processor configured to control to receive first identity information through a first in-band communication channel using the wireless power reception circuit, establish a first out-of-band communication channel based on the first identity information while the first in-band communication channel is established, receive second identity information through a second in-band communication channel while the first out-of-band communication channel is established, disconnect, when the first out-of-band communication channel is established while the second in-band communication channel is established, the first out-of-band communication channel, and establish a second out-of-band communication channel automatically based on the second identity information.

公开(公告)号：US20210399591A1

公开(公告)日：2021-12-23

申请号：US17288624

申请日：2019-10-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyoungwon KIM ,  Yusu KIM ,  Kyungmin PARK ,  Juhyang LEE ,  Byungyeol CHOI

IPC: H02J50/80 ,  H04B5/00 ,  H04L27/02 ,  H02J50/12

Abstract: An electronic device according to various embodiments may be configured to cause a control circuit to: control a first switch, a second switch, or a combination of the first switch and the second switch, in order to electrically connect a ground terminal to a first capacitor, a second capacitor, or a combination of the first capacitor and the second capacitor, while the electronic device operates in a first mode for providing power to a first external electronic device; control the first switch and the second switch in order to electrically disconnect the first capacitor and the second capacitor from the ground terminal, and control the third switch in order to control a path of an electrical signal which passes through the fourth capacitor, while the electronic device operates in a second mode for acquiring power from a second external electronic device.

公开(公告)号：US20200185979A1

公开(公告)日：2020-06-11

申请号：US16705357

申请日：2019-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungmin PARK ,  Kyoungwon KIM ,  Yusu KIM ,  Wooram LEE ,  Juhyang LEE ,  Byungyeol CHOI

IPC: H02J50/90 ,  H02J50/10 ,  H02J50/80 ,  H02J7/02

Abstract: Disclosed is an electronic device. A wireless power transferring device includes a first interface comprising interface circuitry, a conversion circuit, a coil, and a control circuit. The control circuit is configured to control the device to communicate with the power supply device to identify maximum supply power of the power supply device and set maximum transfer power to the maximum supply power or less based on the power supply device being connected to the first interface, to generate the transfer power based on power supplied from the power supply device using the conversion circuit, to transfer the generated transfer power to a wireless power receiving device using the coil, to determine whether the request is for power adjustment exceeding the maximum transfer power based on receiving a request for power adjustment from the wireless power receiving device, to adjust the transfer power using the conversion circuit in response to the request based on the request not being for power adjustment exceeding the maximum transfer power, and to ignore the request to adjust the transfer power based on the request for power adjustment exceeding the maximum transfer power.

公开(公告)号：US20200266667A1

公开(公告)日：2020-08-20

申请号：US16794649

申请日：2020-02-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Juhyang LEE ,  Kyungmin PARK ,  Yusu KIM ,  Hyundeok SEO ,  Hyunho LEE ,  Byungyeol CHOI ,  Chihyun CHO

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

Abstract: An electronic device includes a display, a conductive coil, a wireless charging circuit electrically connected to the conductive coil, a power management circuit, a battery; and a processor, wherein the processor may be configured to control the electronic device to: measure a current flowing from the power management circuit to the wireless charging circuit while power is transferred to an external device through the conductive coil, and adjust the power transferred to the external device through the conductive coil based on a part of a power amount preset in a signal requesting addition of power based on a value of the current being between a first threshold value and a second threshold value greater than the first threshold value.

公开(公告)号：US20200091780A1

公开(公告)日：2020-03-19

申请号：US16573329

申请日：2019-09-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Seho PARK ,  Yusu KIM ,  Kyungmin PARK ,  Juhyang LEE ,  Byungyeol CHOI

IPC: H02J50/80 ,  H02J50/10 ,  H02J7/02

Abstract: A wireless power transmitter is provided. The wireless power transmitter includes an inverter configured to output alternating current (AC) power using direct current (DC) power, a coil configured to receive the AC power, and a control circuitry, wherein the control circuitry is configured to identify an input associated with transmitting the AC power, output the AC power at a specified frequency determined according to the input, using the inverter, transmit the AC power to an external electronic device using the coil, and, while at least partially transmitting the AC power to the external electronic device, transmit information associated with an amount of the DC power input to the inverter to output the AC power to the external electronic device, such that the external electronic device identifies transmission efficiency of the AC power using the information associated with the amount of DC power.

公开(公告)号：US20190222073A1

公开(公告)日：2019-07-18

申请号：US16246726

申请日：2019-01-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Hyungjun KWON ,  Yusu KIM ,  Kyungmin PARK ,  Juhyang LEE ,  Byungyeol CHOI

IPC: H02J50/80 ,  H02J7/02 ,  H02J50/12 ,  H02J7/00 ,  H02J50/60 ,  H04L5/00 ,  H04B5/00

CPC classification number: H02J50/80 ,  H02J50/10 ,  H02J50/60 ,  H04B5/0037

Abstract: An electronic device may include a display, a power reception circuit, and a processor. The processor may perform wireless charging by receiving power wirelessly from an external electronic device through the power reception circuit, and receive data on one or more reasons to stop wireless charging from the external electronic device during the wireless charging. Also, the processor may transmit acknowledge (ACK) data to the external electronic device in response to receiving the data on the one or more reasons to stop wireless charging, and display, through the display, at least one reason to stop wireless charging included in the data on the one or more reasons to stop wireless charging. Other embodiments are possible.