公开(公告)号：US20240084490A1

公开(公告)日：2024-03-14

申请号：US18508698

申请日：2023-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seongil HAHM ,  Kanghyun KIM ,  Jihyun WOO ,  Sangwon AHN ,  Junhyun PARK ,  Eunsuk BANG

IPC: D06F34/18 ,  D06F34/10 ,  D06F39/08

CPC classification number: D06F34/18 ,  D06F34/10 ,  D06F39/087 ,  D06F2103/14

Abstract: A washing machine according to an embodiment comprises: a drum; a motor configured to rotate the drum; a motor driver comprising circuitry configured to a drive current to the motor; a current sensor configured to sense the drive current; a water supplier comprising a conduit configured to supply water to the drum; and at least one controller, wherein one or more of the at least one processor is configured to control the water supplier to perform a plurality of water supply processes, and control the motor driver to perform a plurality of material detection processes, wherein one or more of the at least one controller is configured to: in response to one water supply process from among the plurality of water supply processes, one material detection process from among the plurality of material detection processes, generate a plurality of pieces of input data based on a value of the drive current detected during the plurality of material detection processes, and determine the material of laundry accommodated in the drum, on the basis of the plurality of pieces of input data.

公开(公告)号：US20220372687A1

公开(公告)日：2022-11-24

申请号：US17728431

申请日：2022-04-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhyun PARK ,  Kanghyun KIM ,  Seunghun LEE

IPC: D06F37/30 ,  D06F34/18

Abstract: A washer includes a drum, a motor connected to the drum, a motor drive connected to the motor and configured to supply a driving current to the motor to rotate the drum, and a processor connected to the motor drive. The processor is configured to control the motor drive to supply the driving current to the motor to rotate the motor at a target speed and to determine a magnitude of a load accommodated in the drum while controlling a rotational speed of the motor within a predetermined range.

公开(公告)号：US20230225113A1

公开(公告)日：2023-07-13

申请号：US17959634

申请日：2022-10-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaewon NA ,  Sungsam LEE ,  Taiuk RIM ,  Byungha KANG ,  Kanghyun KIM

IPC: H01L27/108

CPC classification number: H01L27/10814

Abstract: A semiconductor device includes a substrate including first and second active regions; a bitline structure extending in one direction on the substrate, the bitline structure being electrically connected to the first active region; a storage node contact on a sidewall of the bitline structure, the storage node contact being electrically connected to the second active region; a spacer structure between the bitline structure and the storage node contact; a landing pad on the storage node contact, the landing pad being in contact with a sidewall of the spacer structure; and a capacitor structure electrically connected to the landing pad, wherein the spacer structure includes a first spacer, a second spacer, a third spacer, and a fourth spacer, sequentially stacked on the sidewall of the bitline structure, the second spacer is an air spacer, and the third spacer has a thickness that is less than a thickness of the first spacer.

公开(公告)号：US20220243382A1

公开(公告)日：2022-08-04

申请号：US17570843

申请日：2022-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jihyun WOO ,  Kanghyun KIM ,  Jeonghoon KANG ,  Hyeoncheol KIM ,  Junhyun PARK ,  Eunsuk BANG

IPC: D06F37/36 ,  D06F34/20 ,  D06F34/08 ,  D06F34/22

Abstract: A washing machine is provided that includes a washing tub, a driver to rotate the washing tub, a sensor to sense an operation of the washing machine, and at least one processor configured to obtain a weight of dry fabric of laundry in the washing tub, control the driver to rotate the washing tub at a speed within a first range, and obtain a first torque axis current of the driver. The at least one processor is further configured to, after supplying washing water to the washing tub, control the driver to rotate the washing tub at a speed within a second range and obtain a second torque axis current of the driver, and identify a material of the laundry by inputting at least one of the weight of the dry fabric, the first torque axis current, or the second torque axis current to a neural network model.