公开(公告)号：US20240280211A1

公开(公告)日：2024-08-22

申请号：US18112131

申请日：2023-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON ,  Ohkwan KWON ,  Sangho YOON ,  Eulpyo HONG

IPC: F16M11/12 ,  F16M11/18 ,  F16M11/28 ,  G01S7/4865 ,  G01S17/08

CPC classification number: F16M11/126 ,  F16M11/18 ,  F16M11/28 ,  G01S7/4865 ,  G01S17/08

Abstract: Disclosed is an electronic device stand including a base positioned on a mounting surface, a vertical portion extending in an upward direction from the base and varying in a length, a horizontal portion rotatably connected to an upper end of the vertical portion, and an electronic device coupling portion connected to an end of the horizontal portion, wherein the vertical portion includes a fixed frame connected to the base, a movable frame connected to the horizontal portion, a driver for controlling a distance between the movable frame and the fixed frame, a distance detecting sensor for sensing the distance between the movable frame and the fixed frame, and a reflector positioned at an upper end of the fixed frame and facing the distance detecting sensor. The electronic device stand is able to sense a height of the vertical portion, thereby automatically controlling the vertical portion to have the correct height.

公开(公告)号：US20220218176A1

公开(公告)日：2022-07-14

申请号：US17572907

申请日：2022-01-11

Applicant: LG Electronics Inc.

Inventor： Changwoo SON ,  Byeongyong LEE

IPC: A47L15/00 ,  A47L15/22 ,  A47L15/42

Abstract: A method of controlling a dishwasher including a tub, at least one spray nozzle, a rack, and a microphone, includes: spraying, by the at least one spray nozzle, washing water while the at least one spray nozzle is rotating, analyzing a characteristic of a sound wave input to the microphone, the sound wave being generated based on the washing water colliding with one or more washing targets in the tub, determining whether a washing target made of a set material is present among the one or more washing targets based on the analyzed characteristic, determining, based on determining that the washing target made of the set material is present, a location in which the washing target made of the set material is present according to the analyzed characteristic, and reducing an amount of impact applied to the washing target made of the set material by the washing water.

公开(公告)号：US20210129355A1

公开(公告)日：2021-05-06

申请号：US16803759

申请日：2020-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON ,  Changkyu KIM ,  Sunggil PARK ,  Seyul SON ,  Taeyoung CHOI

IPC: B25J15/12 ,  B25J15/00

Abstract: Disclosed is a gripper including a pair of main bodies each having an internal space and spaced apart from each other, a pair of openings provided at ends of the pair of main bodies, a pair of moving bodies protruding from the ends of the pair of main bodies through the openings, a pair of inner bodies fixed in the internal space of the pair of main bodies, and a pair of springs configured to be compressed between the inner body and the moving body.

公开(公告)号：US20210113054A1

公开(公告)日：2021-04-22

申请号：US16606581

申请日：2018-03-20

Applicant: LG Electronics Inc.

Inventor： Changwoo SON ,  Jaegwang BAE ,  Joonhyung KANG ,  Yongtae KWON ,  Minchul KIM

IPC: A47L15/42 ,  A47L15/00 ,  A47L15/22

Abstract: Disclosed are a dishwasher that sprays wash water to wash dishes or cookware and a method of controlling the same. The method of controlling the dishwasher includes supplying wash water from an external water source to a sump and intermittently driving a washing pump to change the level of water around a filter, thereby removing filth from the filter.

公开(公告)号：US20210101295A1

公开(公告)日：2021-04-08

申请号：US16748348

申请日：2020-01-21

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON ,  Seukwoo RYU ,  Sunggil PARK ,  Seyul SON ,  Taeyoung CHOI

IPC: B25J15/06 ,  H02K5/22 ,  H02K21/20

Abstract: A tool changer in accordance with the present disclosure comprises: a housing fastened to a manipulator of a robot, wherein the housing is a non-magnetic material; a bar-shaped magnet disposed in the housing; a motor configured to rotate the magnet on a rotation shaft perpendicular to a longitudinal direction of the magnet; and a core configured to derive a path of a magnetic flux by the magnet. The core comprises: a pair of first poles facing both poles of the magnet, when the magnet rotates to be elongated in a first direction; a bridge configured to connect the pair of the first poles and disposed in the housing, wherein the bridge is a magnetic material; a pair of second poles facing the both poles of the magnet, when the magnet rotates to be elongated in a second direction perpendicular to the first direction; and a pair of terminals connected to the second poles and facing a magnetic body disposed outside the housing.

公开(公告)号：US20210080308A1

公开(公告)日：2021-03-18

申请号：US16735071

申请日：2020-01-06

Applicant: LG ELECTRONICS INC.

Inventor： Sung Gil PARK ,  Changwoo SON ,  Seyul SON ,  Taeyoung CHOI ,  Seukwoo RYU

IPC: G01F23/22 ,  B25J15/00 ,  B25J9/16 ,  G01F23/00 ,  G06N3/08

Abstract: Provided are a robot that calculates a level of liquid contained in a liquid container and a method for calculating such liquid level. The robot includes a robot arm to which a tool is attached to an end of the robot arm, a torque sensor disposed on the robot arm and measuring a torque value of the robot arm, and a processor that controls the robot arm and receives the torque value from the torque sensor and calculates information related to the torque value, and calculates the level value of liquid contained in the liquid container based on the information related to the torque value.

公开(公告)号：US20210078121A1

公开(公告)日：2021-03-18

申请号：US16787646

申请日：2020-02-11

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON

IPC: B23Q3/155

Abstract: A tool changer is included in a manipulator of a robot and selectively fastens to a tool by a magnetic force. The tool changer may include a housing; an inner core embedded in the housing; a coil wound around the inner core, wherein a current is applied to the coil; a pair of connecting cores connected to both ends of the inner core, protruding from the housing to the tool, and inserted into a connecting groove of the tool; a switch configured to regulate the current applied to the coil; and a controller configured to open or close the switch according to a set frequency.

公开(公告)号：US20210039266A1

公开(公告)日：2021-02-11

申请号：US16564675

申请日：2019-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON ,  Seyul SON

IPC: B25J15/04 ,  B25J13/08

Abstract: A tool change system includes: a seating portion configured to have a tool seated thereon; a tool changer disposed on a manipulator to separate the tool from the seating portion; and a pressing portion disposed on an upper side of the seating portion to release the tool from the tool changer. The tool changer includes: a main body disposed on the manipulator; and a gripper connected to the main body and including a hook to be locked into a locking recess formed on the tool and a lever pressed by the pressing portion.

公开(公告)号：US20170260794A1

公开(公告)日：2017-09-14

申请号：US15508680

申请日：2015-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Changwoo SON ,  Myoungju KANG ,  Cholok HAN

IPC: E05F15/614 ,  E06B5/00 ,  E05F15/75 ,  E06B7/215 ,  F25D23/02 ,  F25D29/00

CPC classification number: E05F15/614 ,  E05F15/75 ,  E05Y2201/434 ,  E05Y2201/716 ,  E05Y2201/722 ,  E05Y2400/36 ,  E05Y2400/40 ,  E05Y2400/85 ,  E05Y2900/31 ,  E06B5/00 ,  E06B7/215 ,  F25D23/028 ,  F25D29/003

Abstract: A door opening and closing device for a refrigerator includes a door coupled by means of a hinge unit to a main body defining a storage compartment therein, a gasket disposed between the door and the main body to provide a hermetic seal therebetween, and an opening and closing unit for opening and closing the door with respect to the main body, wherein the opening and closing unit includes a drive unit for generating a driving force, a gasket separation mechanism for pushing the main body using rotational force transmitted from the drive unit to separate the gasket from the main body or the door, and a door rotating mechanism for rotating the door using the rotational force transmitted from the drive unit.

公开(公告)号：US20130111676A1

公开(公告)日：2013-05-09

申请号：US13659060

申请日：2012-10-24

Applicant: LG ELECTRONICS INC.

Inventor： Chaseung JUN ,  Byungkeol CHOI ,  Youngmin KIM ,  Dongwon KIM ,  Hyundong KIM ,  Hwanjin JUNG ,  Byungwook MIN ,  Kyeonghwan KIM ,  Jinwoong KIM ,  Changwoo SON ,  Hyunseok SEO

IPC: D06F37/30

CPC classification number: D06F37/304 ,  B23P11/00 ,  B23P11/02 ,  D06F21/02 ,  D06F23/02 ,  D06F31/00 ,  D06F37/00 ,  D06F37/04 ,  D06F37/06 ,  D06F37/206 ,  D06F37/269 ,  D06F37/30 ,  H02K1/148 ,  H02K1/16 ,  H02K1/26 ,  H02K1/265 ,  H02K1/2706 ,  H02K1/2773 ,  H02K1/28 ,  H02K3/522 ,  H02K7/003 ,  H02K7/14 ,  H02K11/215 ,  H02K15/022 ,  H02K16/00 ,  H02K16/02 ,  H02K21/12 ,  H02K21/16 ,  H02K21/22 ,  H02K29/08 ,  Y02B40/52 ,  Y10T29/49826 ,  Y10T29/49945

Abstract: A method for driving a washing machine that includes a main body, a tub disposed within the main body, a main drum rotatably mounted in the tub, a sub drum mounted in the main drum to be relatively rotatable with respect to the main drum, a driving motor, and a control unit to control operations of the driving motor includes producing a three-dimensional motion of laundry in the washing machine by moving the laundry in a circumferential direction and an axial direction simultaneously by relative motions of the main drum and the sub drum to perform the washing process while supplying washing water and detergent.

Abstract translation: 一种用于驱动洗衣机的方法，包括主体，设置在主体内的桶，可旋转地安装在桶中的主滚筒，安装在主滚筒中以相对于主滚筒相对旋转的副滚筒， 驱动电动机和控制单元来控制驱动电动机的操作包括通过主鼓和副的相对运动同时沿着圆周方向和轴向移动衣物来在洗衣机中产生衣物的三维运动 滚筒在提供洗涤水和洗涤剂的同时执行洗涤过程。