公开(公告)号：US20230283120A1

公开(公告)日：2023-09-07

申请号：US18129603

申请日：2023-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaesung LEE ,  Inmyung WOO ,  Juhyang LEE ,  Jaemu HA

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

CPC classification number: H02J50/90 ,  H02J50/10 ,  H02J50/80 ,  H04B5/0037

Abstract: An electronic device includes: a wireless power reception circuit; a communicator; and at least one processor operatively connected to the wireless power reception circuit and the communicator, wherein the at least one processor is configured to: control, based on initiation of wireless charging of the electronic device, power input from an external device to the electronic device via the wireless power reception circuit; transmit, to the external device via a designated communication scheme, first information corresponding to the power input to the electronic device from the external device; receive, from the external device via an out-band communication scheme through the communicator, second information that corresponds to a charging efficiency of the electronic device; and provide, based on the second information, a location change notification for the electronic device.

公开(公告)号：US20200266666A1

公开(公告)日：2020-08-20

申请号：US16793312

申请日：2020-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungoh SUNG ,  Juhyang LEE ,  Myungkyoon CHUNG ,  Youngmi HA ,  Hojong KIM

IPC: H02J50/12 ,  H02J50/80 ,  H02J50/90 ,  H02J7/02

Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.

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.

公开(公告)号：US20210083515A1

公开(公告)日：2021-03-18

申请号：US17106579

申请日：2020-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Kyoungwon KIM ,  Kyounghoon KIM ,  Byungwook KIM ,  Jeongmin MOON ,  Kyungmin PARK ,  Jungmin LEE ,  Juhyang LEE ,  Kuchul JUNG ,  Sungjoon CHO ,  Chihyun CHO ,  Hansol CHOI ,  Youngmi HA ,  Yongsang YUN

IPC: H02J50/10 ,  H02J50/80 ,  H02J7/34 ,  H02J7/00

Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.

公开(公告)号：US20200266674A1

公开(公告)日：2020-08-20

申请号：US16749063

申请日：2020-01-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungmin LEE ,  Sungjoon CHO ,  Hansol CHOI ,  Youngmi HA ,  Kyounghoon KIM ,  Byungwook KIM ,  Yusu KIM ,  Kyungmin PARK ,  Jaesung LEE ,  Juhyang LEE

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

Abstract: An electronic device including a battery, a wireless interface operatively or electrically connected with the battery, a display, a memory, and a processor, wherein the processor is configured to: detect an event while the electronic device is in contact with or is connected to another electronic device via the wireless interface and wirelessly charging-shares power of the battery with the another electronic device via the wireless interface; turn off a wireless charging-sharing function when the event corresponds to a predetermined condition; provide a user notification about the turning-off of the wireless charging-sharing function via the display; and turn on the wireless charging-sharing function when a state of the electronic device corresponds to a wireless charging-sharing condition. The various embodiments also a method of operating the electronic device. Various embodiments are also possible.

公开(公告)号：US20200259249A1

公开(公告)日：2020-08-13

申请号：US16785455

申请日：2020-02-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Juhyang LEE

IPC: H01Q1/24 ,  H02J50/80 ,  H04B5/00 ,  H02J7/02 ,  H02J50/12

Abstract: An electronic device including: a battery; a signal converting circuit connected to the battery including first, second, third, and fourth switches of a bridge structure; a processor connected to the signal converting circuit; and an antenna connected to the signal converting circuit. The signal converting circuit is configured to: receive from the processor an input which selects a first communication scheme based on the received input while converting and providing to the antenna a direct current signal output from the battery to an alternate current signal; control the first and fourth switches to alternate in a high state and a low state; control the second and third switches in a different state which is different from the state of the first and fourth switches; and control two of the first, second, third, and fourth switches in the high state to alternate in an on state and an off state.

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：US20240030738A1

公开(公告)日：2024-01-25

申请号：US18374830

申请日：2023-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunku PARK ,  Jungoh SUNG ,  Juhyang LEE ,  Jeonggyu JO ,  Hyunju HONG ,  Woogeun KWAK ,  Jungsik PARK

IPC: H02J7/00

CPC classification number: H02J7/007194 ,  H02J7/00309 ,  H02J50/10

Abstract: An electronic device includes: a wireless charging circuit; at least one sensor; and at least one processor operatively connected to the wireless charging circuit and the at least one sensor. The at least one processor is configured to: perform charging using the wireless charging circuit; sense a temperature of the electronic device via the at least one sensor; control, based on the temperature of the electronic device, heat generation during the charging; and change a charging condition based on a charging duration time determined based on the heat controlled by the at least one processor.