公开(公告)号：US20230223693A1

公开(公告)日：2023-07-13

申请号：US18121906

申请日：2023-03-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woosup LEE ,  Seho PARK ,  Soon PARK ,  Jungoh SUNG ,  Haekwon LEE

IPC: H01Q9/04 ,  H01Q5/25 ,  H01Q1/24 ,  H01Q7/00

CPC classification number: H01Q9/0407 ,  H01Q5/25 ,  H01Q1/243 ,  H01Q7/00

Abstract: An electronic device, according to various embodiments of the present disclosure, may comprise: a first layer including a first antenna having a patch shape, and a second antenna at least partially surrounding the first antenna and having a coil shape; a second layer including a first pattern disposed at a position corresponding to the first antenna and configured to operate as a ground of the first antenna, and a second pattern electrically connected to the second antenna; a dielectric disposed between the first layer and the second layer; and a magnetic material disposed under the dielectric at a position corresponding to the second antenna.

公开(公告)号：US20230047559A1

公开(公告)日：2023-02-16

申请号：US17830840

申请日：2022-06-02

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H02J50/60 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90 ,  H02J7/00

Abstract: According to an embodiment, a wireless power transmitting device may include a transmission coil, a power providing circuit, and at least one controller. The at least one controller may be configured to control the power providing circuit to apply first power to the transmission coil, identify a resonant frequency, based on a voltage measured at the transmission coil in response to the first power applied to the transmission coil, based on a difference between the identified resonant frequency and a reference frequency meeting a designated condition, identify that a foreign object is placed on a charging area of the wireless power transmitting device, and based on the difference between the identified resonant frequency and the reference frequency failing to meet the designated condition, control the power providing circuit to apply, to the transmission coil, at least one second power for performing communication with a wireless power receiving device.

公开(公告)号：US20220209581A1

公开(公告)日：2022-06-30

申请号：US17583773

申请日：2022-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Dohyeon KIM ,  Seho PARK ,  Byunghwa PARK

IPC: H02J50/12 ,  H04B5/00

Abstract: An electronic device to which a wireless charging system is applied is provided. The electronic device includes a battery, a charging circuit, and a circuit board configured to be electrically connected to the charging circuit and include a first portion and a second portion disposed adjacent to the first portion, wherein a first coil, a second coil, and a resonance coil are disposed in the first portion of the circuit board, the first coil being disposed outside the second coil, and the resonance coil being disposed inside the second coil, and wherein a third coil and a resonance capacitor are disposed in the second portion of the circuit board, the resonance capacitor being disposed inside the third coil, and the resonance coil and the resonance capacitor being electrically connected to each other to generate a designated resonance.

公开(公告)号：US20220190609A1

公开(公告)日：2022-06-16

申请号：US17688269

申请日：2022-03-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kihyun KIM ,  Kyungha KOO ,  Wooram LEE ,  Changhyung LEE ,  Jihye KIM ,  Jihong KIM ,  Yunjeong NOH ,  Seho PARK ,  Kumjong SUN ,  Ju-Hyang LEE ,  Mincheol HA ,  Sangmoo HWANGBO

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

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.

公开(公告)号：US20210305848A1

公开(公告)日：2021-09-30

申请号：US17198370

申请日：2021-03-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mingi SONG ,  Dohyeon KIM ,  Seho PARK ,  Wooram LEE

IPC: H02J50/40 ,  H02J50/80 ,  H02J50/12 ,  H02J50/60

Abstract: Provided are a wireless charging device and method. The wireless charging device may include: a first group of coils; a second group of coils; and a processor. The processor may be configured to: transmit a first ping signal through the first group of coils and the second group of coils; sense a change in current, voltage, and/or frequency occurring in the first group of coils and the second group of coils in response to the first ping signal to detect that an electronic device is placed on the wireless charging device; select at least one coil from the first group of coils and at least one coil from the second group of coils at which the change is sensed; transmit a second ping signal through the selected coils; and wirelessly transmit power to the electronic device by using the selected coils. Various other embodiments are also disclosed.

公开(公告)号：US20210273491A1

公开(公告)日：2021-09-02

申请号：US17178707

申请日：2021-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Dohyeon KIM ,  Seho PARK ,  Mingi SONG

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

Abstract: A wireless charging device is provided and includes a first inverter, a first switch electrically connected to the first inverter, a second inverter, a second switch electrically connected to the second inverter, a first coil group connected to the first inverter through the first switch, a second coil group connected to the second inverter through the second switch, and a processor operatively connected to the first inverter, the first switch, the second inverter, the second switch, the first coil group, and the second coil group. The processor detects an electronic device disposed above the wireless charging device through at least one coil in the first coil group or the second coil group, and to wirelessly transmit power to the electronic device by using one coil in the first coil group and one coil in the second coil group.

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：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：US20250082161A1

公开(公告)日：2025-03-13

申请号：US18952381

申请日：2024-11-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seongu LEE ,  Yongseok KIM ,  Sanghyuk PARK ,  Seho PARK ,  Sanghoon BAE ,  Yeongju LEE ,  Jaeshik JEONG

IPC: A47L9/28 ,  H02J7/00

Abstract: A method of operating a switch and an electric device employing the method. The method of operating the switch is according to an operation event occurring on a station side of a wireless vacuum cleaner, and includes activating a cleaner body according to the switch operation in a state in which a connection between a main processor of the cleaner body and a battery is blocked and charging from the station and the battery is stopped.