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公开(公告)号：US20240235221A9
公开(公告)日：2024-07-11
申请号：US18199732
申请日：2023-05-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daewoong CHO , Kyeseok YOON , Seunghoon KIM , Jeongdu YOO , Sungwoo LEE , Jungwook HEO
IPC: H02J7/00
CPC classification number: H02J7/00304 , H02J7/00714 , H02J7/007182
Abstract: A circuit includes: an overcurrent limiting (OCL) detector configured to detect whether a level of an inductor current reaches an OCL level and to generate an OCL detection voltage; a control loop circuit configured to generate a reset voltage by comparing a ramp voltage reflecting the level of the inductor current with an error voltage generated based on an operating condition that is out of a preset operating condition; an adaptive OCL controller configured to generate an OCL control current by counting a number of pulses of the OCL detection voltage and a number of pulses of the reset voltage; an oscillator configured to generate an oscillation voltage wherein a frequency of the oscillation voltage varies based on a magnitude of the overcurrent limit control current; and a switching transistor for switching the inductor current based on the oscillation voltage.
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公开(公告)号：US20210356550A1
公开(公告)日：2021-11-18
申请号：US17321924
申请日：2021-05-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Muyeol LEE , Seunghoon KIM , Jeongsik KIM , Changwoo SON , Jiwoo LEE
Abstract: An electronic device is provided. The electronic device includes a flexible printed circuit board (FPCB) including a first conductive patch and a second conductive patch, a wireless communication circuitry electrically coupled with the first conductive patch and the second conductive patch, and a processor electrically coupled with the wireless communication circuitry. The first conductive patch is fed from the wireless communication circuitry at a first point located at a first edge of the first conductive patch or a second point located at a second edge different from the first edge, and operates as an antenna radiator which receives a radio frequency (RF) signal of a specified frequency band, the second conductive patch is fed from the wireless communication circuity at a third point of the second conductive patch, and operates as an antenna radiator which transmits or receive an RF signal of a specified frequency band.
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公开(公告)号：US20220393380A1
公开(公告)日：2022-12-08
申请号：US17806665
申请日：2022-06-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jeongsik KIM , Seunghoon KIM , Jongyeon KIM , Muyeol LEE , Hyunsuk CHOI
Abstract: An electronic device (ED) includes a first wireless communication path configured to enable wireless communication in a first frequency band, a second wireless communication path configured to enable wireless communication in a second frequency band, and a connector structure. The first wireless communication path includes a first frequency signal processing circuit, a flexible circuit board, a second frequency signal processing circuit, and a wireless communication modem. The second wireless communication path includes an antenna part formed by segmentation of a metal bezel, and the flexible circuit board. The connector structure includes a connector plug electrically connected to the flexible circuit board disposed in the ED, and a connector socket electrically connected to a printed circuit board disposed in the ED. The connector plug includes a connection pin configured to electrically connect a first plug pin disposed at a first side thereof and a second plug pin disposed at a second side.
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公开(公告)号：US20250092594A1
公开(公告)日：2025-03-20
申请号：US18829120
申请日：2024-09-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyomin AHN , Jehyung CHO , Jeongil KANG , Seunghoon KIM , Junhyun PARK , Sungmo LEE , Seunghun LEE , Junghyun LEE
Abstract: A washing machine including a motor regenerative braking configuration uses a buck power converter capable of reducing a direct current (DC) voltage, in association with charging an energy storage device when a voltage of a DC link capacitor becomes greater than or equal to a certain voltage. The washing machine uses the buck power converter in association with discharging the energy storage device and charging the DC link capacitor when the voltage of the DC link capacitor decreases. The washing machine may utilize regenerative braking energy by reducing or increasing a voltage amount provided from the energy storage device to a load by using a power conversion device.
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Patent Agency Ranking
公开(公告)号：US20250092593A1
公开(公告)日：2025-03-20
申请号：US18968562
申请日：2024-12-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungmo LEE , Seunghoon KIM , Junhyun PARK
IPC: D06F33/40 , D06F103/46 , D06F105/46
Abstract: A washing machine that minimizes noise of a motor while maintaining deceleration of the motor is provided. The washing machine includes a drum, a motor configured to rotate the drum, an inverter circuit configured to drive the motor, memory, comprising one or more storage media, storing instructions, and one or more processors communicatively coupled to the inverter circuit and the memory. The instructions, when executed by the one or more processors individually or collectively, cause the washing machine to control the inverter circuit based on a d-axis current command value and a q-axis current command value and control the inverter circuit to perform a soft brake for a preset time and control the inverter circuit to perform a short brake based on an elapse of the preset time, for decelerating the motor.
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公开(公告)号：US20240068146A1
公开(公告)日：2024-02-29
申请号：US18340526
申请日：2023-06-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungmo LEE , Junhyun PARK , Sungjong KIM , Seunghoon KIM , Haneal LEE
CPC classification number: D06F33/40 , D06F23/02 , D06F23/04 , D06F33/48 , D06F34/16 , D06F34/20 , D06F37/304 , D06F39/125 , D06F2105/48
Abstract: A washing machine includes: a cabinet on a front side thereof with an inlet through which laundry is input; a tub inside the cabinet and having an opening corresponding to the inlet; a drum rotatably inside the tub; a motor configured to provide power for rotating the drum; a first vibration sensor configured to detect vibration generated from the tub; a second vibration sensor configured to detect vibration generated from the cabinet; and at least one processor. The at least one processor is configured to perform a spin-drying process according to a spin-drying profile defined by a rotational speed of the drum, and to control rotation of the drum based on a first vibration value corresponding to an output of the first vibration sensor and a second vibration value corresponding to an output of the second vibration sensor during a spin-drying process.
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公开(公告)号：US20250129530A1
公开(公告)日：2025-04-24
申请号：US18984258
申请日：2024-12-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungmo LEE , Junhyun PARK , Sungjong KIM , Seunghoon KIM , Haneal LEE
IPC: D06F33/48 , D06F34/16 , D06F103/26 , D06F105/60
Abstract: A washing machine is provided. The washing machine includes a cabinet having an inlet through which laundry is inserted, a plurality of legs disposed under the cabinet and configured to support the cabinet, a tub provided inside the cabinet, a drum rotatable in the tub, and a drum motor configured to provide power to rotate the drum, a vibration sensor configured to detect vibrations occurring in the cabinet along at least two axes, memory storing one or more computer programs, and one or more processors communicatively coupled to the memory and the vibration sensor, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the washing machine to determine a leg that is not seated on an installation surface based on a phase difference between a first signal and a second signal output from the vibration sensor.
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公开(公告)号：US20240136833A1
公开(公告)日：2024-04-25
申请号：US18199732
申请日：2023-05-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daewoong CHO , Kyeseok YOON , Seunghoon KIM , Jeongdu YOO , Sungwoo LEE , Jungwook HEO
IPC: H02J7/00
CPC classification number: H02J7/00304 , H02J7/00714 , H02J7/007182
Abstract: A circuit includes: an overcurrent limiting (OCL) detector configured to detect whether a level of an inductor current reaches an OCL level and to generate an OCL detection voltage; a control loop circuit configured to generate a reset voltage by comparing a ramp voltage reflecting the level of the inductor current with an error voltage generated based on an operating condition that is out of a preset operating condition; an adaptive OCL controller configured to generate an OCL control current by counting a number of pulses of the OCL detection voltage and a number of pulses of the reset voltage; an oscillator configured to generate an oscillation voltage wherein a frequency of the oscillation voltage varies based on a magnitude of the overcurrent limit control current; and a switching transistor for switching the inductor current based on the oscillation voltage.
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公开(公告)号：US20230030827A1
公开(公告)日：2023-02-02
申请号：US17937304
申请日：2022-09-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seunghoon KIM , Junhyun PARK , Sugkil SEO
Abstract: A washing machine includes a drum, a drum motor coupled to the drum; a driving circuit and a processor. The driving circuit is configured to supply a driving current to the drum motor so that the drum motor rotates. The processor is configured to control the driving circuit to accelerate the drum motor from the first rotational speed to a second rotational speed based on a gradient of the fluctuating magnitude of the driving current supplied to the drum motor while controlling the driving circuit to rotate the drum motor at a first rotational speed.
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