公开(公告)号：US20180331726A1

公开(公告)日：2018-11-15

申请号：US15777506

申请日：2016-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol HA ,  Seho PARK ,  Jung-Oh SUNG ,  Ju-Hyang LEE ,  Kwangseob KIM ,  Dongzo KIM ,  Yusu KIM ,  Keumsu SONG ,  Jae-Woong JEON

IPC: H04B5/00 ,  H02J50/20 ,  H02J7/02 ,  H01F38/14 ,  H02J50/12 ,  H02J50/80 ,  H02J50/70

CPC classification number: H04B5/0081 ,  H01F5/003 ,  H01F27/365 ,  H01F38/14 ,  H02J7/025 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/70 ,  H02J50/80 ,  H04B5/0031 ,  H04B5/0037

Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.

公开(公告)号：US20170271920A1

公开(公告)日：2017-09-21

申请号：US15413916

申请日：2017-01-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Kwangseob KIM ,  Dongzo KIM ,  Seho PARK ,  Hanseok PARK ,  Keumsu SONG ,  Ju-Hyang LEE ,  Mincheol HA ,  Seung-Nyun KIM ,  Yong Sang YUN ,  Chi-Hyun CHO

IPC: H02J50/10 ,  H02H7/20 ,  H02J7/02

CPC classification number: H02J50/10 ,  H02H7/20 ,  H02J7/025 ,  H02J7/345 ,  H02J50/12

Abstract: An electronic apparatus and its operating method are provided. The electronic apparatus and its operating method can be configured to drive the capacitor, to detect the received power, and stop driving the capacitor.

公开(公告)号：US20240097495A1

公开(公告)日：2024-03-21

申请号：US18521268

申请日：2023-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM

IPC: H02J50/12 ,  H01F38/14 ,  H02J50/40 ,  H02M7/219 ,  H04B5/00

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J50/402 ,  H02M7/219 ,  H04B5/0037

Abstract: A wireless power receiver configured to receive wireless power from a wireless power transmitter comprises: a first coil configured to receive wireless power transmitted inductively; a second coil and a third coil configured to receive wireless power transmitted resonantly; a receiver integrated circuit (RXIC) comprising a full bridge structure, and including a first rectifier circuit including a first FET, a second FET, a third FET, and a fourth FET; and a second rectifier circuit, wherein an output terminal of the second rectifier circuit is connected to an output terminal of the first rectifier circuit, sources of the first FET and the second FET are connected to a ground, and, based on the first FET and the second FET being switched to an on-state and the third FET and the fourth FET being switched to an off-state, based on the wireless power transmitter inductively transmitting the wireless power, the wireless power receiver is configured to receive the wireless power through the first coil, and convert the received wireless power to DC power by body diodes of the third FET and the fourth FET to receive power for booting the RXIC, and, based on the wireless power transmitter resonantly transmitting the wireless power, the wireless power receiver is configured to receive the wireless power by inducing current in the third coil based on a magnetic field generated in the second coil, and rectify the received wireless power by the second rectifier circuit to receive power for booting the RXIC.

公开(公告)号：US20230137959A1

公开(公告)日：2023-05-04

申请号：US17885336

申请日：2022-08-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yusu KIM ,  Yongsang YUN

IPC: H02J50/10 ,  H02J7/00

Abstract: Various embodiments of the disclosure relate to an electronic device and method that increases the efficiency of power supplying of a wireless charging circuit. The processor may perform a wireless power sharing function, may identify the type of an external device aligned with a coil of the electronic device, may supply a designated first power to a wireless charging integrated circuit of the electronic device in the case in which the external device is a first device, the first device being a device that requests a voltage higher than a reference voltage level, may control the wireless charging IC to generate a current of the coil based on the first power, may activate a path that directly connects a battery of the electronic device and the wireless charging IC, and may supply a second power lower than the first power to the wireless charging IC via the path.

公开(公告)号：US20230124638A1

公开(公告)日：2023-04-20

申请号：US17867016

申请日：2022-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Dohyeon KIM ,  Byunghwa PARK ,  Seho PARK ,  Wooram LEE ,  Hyungkoo CHUNG

IPC: H02J50/10 ,  H01F27/40 ,  H05K1/18

Abstract: A wireless power transmission apparatus is provided. The wireless power transmission apparatus includes an upper housing, a lower housing coupled to the upper housing, a substrate disposed between the upper housing and the lower housing, a transmit coil disposed between the upper housing and the substrate and formed by being wound in the form of rotating on the substrate, at least one temperature sensor including a pattern resistor, a resistance numerical value which varies with temperature, and a flexible printed circuit board (FPCB) on which the at least one temperature sensor is disposed. The pattern resistor is disposed on the FPCB in a pattern of being wound in a first direction from any first point on the FPCB to any second point different from the any first point on the FPCB around a central portion of the FPCB and being rewound in a second direction opposite to the first direction.

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：US20200313460A1

公开(公告)日：2020-10-01

申请号：US16754412

申请日：2018-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju-Hyang LEE ,  Yusu KIM ,  Kyungmin PARK ,  Wooram LEE ,  Jung-Min LEE

IPC: H02J50/10 ,  H02J50/80 ,  H02J7/02 ,  G01K1/02

Abstract: An electronic device according to various embodiments of the present invention comprises a wireless power reception circuit and a processor, wherein the processor can be set so as to receive power transmitted from an external electronic device by using the wireless power reception circuit, detect a state related with the reception during the reception of the power, and disable at least a part of the wireless power reception circuit such that the external electronic device stops the transmission when the state satisfies a designated condition. Other examples are also possible.

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.