公开(公告)号：US20190286222A1

公开(公告)日：2019-09-19

申请号：US16353258

申请日：2019-03-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungchul AN ,  Donghui KIM ,  Jongkon BAE ,  Yohan LEE ,  Yunpyo HONG ,  Duhyun KIM ,  Sangseol LEE ,  Donghyun YEOM ,  Soyoung LEE

IPC: G06F1/3296 ,  G06F1/3234 ,  G06F1/3231 ,  G06F9/54

Abstract: An electronic device includes a housing, a display, a power management circuit, and a processor. The processor is configured to control the display to operate based on a first designated scheme during operation in a first designated state. The processor is also configured to control the display to operate based on a second designated scheme corresponding to a second designated state when a first event for switching a state of the electronic device is confirmed. The processor is further configured to control the power management circuit to receive a voltage lower than a voltage applied to the processor in the first state. The display is configured to display at least one object in the second designated state. The display also is configured to change and display a display state of the at least one object when information indicating confirmation of a second event with respect to the electronic device is acquired from the processor.

公开(公告)号：US20210050924A1

公开(公告)日：2021-02-18

申请号：US16963548

申请日：2019-01-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sehwan CHOI ,  Duhyun KIM ,  Woosup LEE ,  Jungsik PARK ,  Youngsoo CHUN ,  Kwanhoe KU ,  Soyoung LEE

IPC: H04H40/45 ,  H04B1/06 ,  H01R24/60

Abstract: An electronic device of various embodiments can include a broadcast receiving module, a connector including a first pin and a second pin, and a processor, wherein the processor can be configured to: identify, through the first pin, the type of external electronic device connected through the connector; drive the broadcast receiving module in a state in which an external antenna included in an external electronic device and the broadcast receiving module are electrically connected through the first pin when the external electronic device corresponds to a designated electronic device type; receive a broadcast signal from the external antenna by using the broadcast receiving module; and output, through the second pin, an audio signal generated on the basis of at least a part of the broadcast signal to a designated device. Other embodiments are also possible.

公开(公告)号：US20200266627A1

公开(公告)日：2020-08-20

申请号：US16738404

申请日：2020-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi HA ,  Duhyun KIM ,  Seungbeom KANG ,  Kyounghoon KIM ,  Byungwook KIM ,  Kwanbae SON ,  Sungjoon CHO ,  Hansol CHOI

IPC: H02J1/10 ,  H02J1/14 ,  H02J7/00

Abstract: A method of controlling charging of a plurality of batteries and an electronic device to which the same is applied are provided. The electronic device includes a housing, a plurality of batteries arranged in the housing, a power management module that controls the plurality of batteries, a plurality of current limiting ICs that limits a maximum intensity of a current flowing into each of the plurality of batteries, and at least one processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The at least one processor may set a total charging current output from the power management module, set an individual charging current flowing into each of the plurality of batteries in proportion to a total capacity of each of the plurality of batteries, and recalculate the individual charging currents when the total charging current changes.

公开(公告)号：US20190312448A1

公开(公告)日：2019-10-10

申请号：US16314935

申请日：2016-11-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoyeong LIM ,  Duhyun KIM ,  Yongseung YI ,  Dongil SON

IPC: H02J7/00 ,  G05F3/02 ,  G06F1/26

Abstract: An electronic device is disclosed. The disclosed electronic device comprises: a connector, which includes a first terminal and a second terminal and can be coupled to an external electronic device; a battery for supplying power to the electronic device; and a first switch connected to the first terminal, and a second switch connected to the second terminal, wherein the electronic device can be set such that the first switch and/or the second switch are shorted, on the basis of a state in which the electronic device is off and/or a state in which a voltage of the battery is a preset voltage or lower.

公开(公告)号：US20220337073A1

公开(公告)日：2022-10-20

申请号：US17679327

申请日：2022-02-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi HA ,  Sungjoon CHO ,  Duhyun KIM

IPC: H02J7/00

Abstract: An electronic device and method are disclosed, including a first and second battery, a first and second fuel gauge, and a processor. The processor implements the method, including: determining capacity ratios of the first and second batteries based at least on absolute capacities of the first and second batteries, as identified via the first and second fuel gauges, respectively, calculating a residual capacity of the first battery and a residual capacity of the second battery based on at least one of the determined capacity ratios and the obtained states of the first and second battery, respectively, and outputting the calculated residual capacity of the first battery and the calculated residual capacity of the second battery.

公开(公告)号：US20210320504A1

公开(公告)日：2021-10-14

申请号：US17223363

申请日：2021-04-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hangseok CHOI ,  Duhyun KIM ,  Seungbeom KANG ,  Daeneung KIM ,  Gihoon LEE ,  Jonghyun LEE

IPC: H02J7/00

Abstract: An apparatus and a method of controlling charging of a plurality of batteries connected in parallel in an electronic device are provided. The electronic device includes a charging circuit, a first battery configured to be arranged on a first electrical path connected from the charging circuit to the ground, a second battery configured to be arranged in parallel with the first battery on a second electrical path branched between the charging circuit on the first electrical path and the first battery and connected to the ground, a sensing circuit configured to identify a voltage of the second battery through a fourth electrical path branched on the second electrical path, and a processor operatively connected to the sensing circuit and the charging circuit, the charging circuit identifies a voltage of the first battery through a third electrical path branched on the first electrical path, receives a current control signal based on the voltage of the second battery through the processor, and controls a magnitude of a current supplied to the first battery or the second battery based on the current control signal.

公开(公告)号：US20190257869A1

公开(公告)日：2019-08-22

申请号：US16393460

申请日：2019-04-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehwan LEE ,  Hoyeong LIM ,  Kihyun PARK ,  Gihoon LEE ,  Duhyun KIM ,  Yongseung YI ,  Dongil SON

IPC: G01R27/26 ,  H04M1/02 ,  H01R9/26 ,  H01R9/24

Abstract: An electronic device is provided including a connector comprising a plurality of terminals, the connector being configured to be connected with an external device; a circuit electrically connected to at least a subset of the plurality of terminals; and a processor electrically connected to the circuit, wherein the processor is configured to detect a connection of the external device through the connector, detect a first impedance of a first electrical path including a first terminal of the plurality of terminals, detect a second impedance of a second electrical path including a second terminal of the plurality of terminals, and determine a connection direction of the external device connected through the connector, based on the first impedance and the second impedance.

公开(公告)号：US20230179003A1

公开(公告)日：2023-06-08

申请号：US18156400

申请日：2023-01-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gusup KIM ,  Duhyun KIM ,  Jiyong PARK ,  Seongil LEE ,  Wonjea JANG ,  Yongsub JEON

IPC: H02J7/00 ,  H01M50/512 ,  H01M10/42 ,  H01M10/46 ,  H01M10/48 ,  H01M10/44

CPC classification number: H02J7/00302 ,  H02J7/0047 ,  H02J7/00306 ,  H02J7/0013 ,  H01M50/512 ,  H01M10/425 ,  H01M10/46 ,  H01M10/48 ,  H01M10/441 ,  H01M2220/30 ,  H01M2010/4271 ,  H04M1/0216

Abstract: A method for protecting a battery of an electronic device including a plurality of batteries, includes: measuring a total current (Itotal) value output from a charging module while the plurality of batteries are charged via the charging module; detecting a first current (I1) value output to a first battery via a current limiter; calculating a difference between the total current (Itotal) value and the first current (I1) value to estimate a second current (I2) value transferred to a second battery without passing through any current limiter, where the first battery and the second battery are included in the plurality of batteries; and controlling, based on the estimated second current (I2) value, a current of the second battery, which has the second current (I2) value, by controlling opening/closing of a switching module included in a protection circuit module of the second battery.

公开(公告)号：US20210092686A1

公开(公告)日：2021-03-25

申请号：US17005557

申请日：2020-08-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juseok NOH ,  Duhyun KIM ,  Seongmin KIM ,  Younghoon KIM ,  Sungok PARK ,  Kicheol SUNG

IPC: H04W52/02

Abstract: An electronic device may include, for example: a first battery; at least one second battery; a power management module configured to monitor capacity information of the first battery; and a processor electrically connected to the first battery, the at least one second battery, and the power management module. The processor may be configured to: monitor whether a designated event or a low-power state in which a voltage of the first battery drops below a reference value has occurred, while the electronic device is driven using the first battery; determine that the designated event has occurred or that the first battery corresponds to the low-power state; and parallel-connect the first battery and at least one of the at least one second battery, based on determining that the designated event has occurred, or that the first battery corresponds to the low-power state. Various other embodiments are possible.

公开(公告)号：US20200266499A1

公开(公告)日：2020-08-20

申请号：US16747381

申请日：2020-01-20

Applicant: Samsung Electronics Co., Ltd

Inventor： Youngmi HA ,  Sungjoon CHO ,  Seungbeom KANG ,  Kyounghoon KIM ,  Duhyun KIM ,  Byungwook KIM ,  Jaeho SONG ,  Dongik SIN ,  Hansol CHOI

IPC: H01M10/44 ,  H01M2/10 ,  H01M10/42 ,  H02J7/00

Abstract: A method of controlling a plurality of batteries and an electronic device to which the same is applied. The electronic device includes a housing and a plurality of batteries. The electronic device also includes a power management module, a plurality of current limiting ICs, and a processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The processor is configured to sense a sum of the currents flowing into the plurality of batteries or a voltage of the power management module, perform a primary end of reducing a magnitude of the sum of the currents flowing into the plurality of batteries, sense the currents or voltages of the plurality of batteries, and perform a secondary end of blocking a current flowing into a battery.