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公开(公告)号：US11630462B2
公开(公告)日：2023-04-18
申请号：US17045552
申请日：2019-04-05
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon Lee , Kyuchun Choi , Jongjin Woo , Dongseong Kim , Hyungsub Kim , Seungin Shin , Kyungman Yu , Jaehoon Jeong , Dongkyun Nam , Jongil Park
Abstract: The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body, a boundary signal detector which detects a boundary signal generated in a boundary area of a traveling area, and a controller which controls a traveler so that the traveler performs pattern traveling a plurality of times in the traveling area, and controls the traveler so that a traveling angle during first pattern traveling and a traveling angle during second pattern traveling are different from each other. Accordingly, when the pattern traveling is performed a plurality of times, the pattern traveling is performed at angles different from each other based on a reference axis, and it is possible to minimize an area which cannot be mowed and improve efficiency.
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公开(公告)号：US20180184584A1
公开(公告)日：2018-07-05
申请号：US15856330
申请日：2017-12-28
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsup Song , Jaehoon Jeong
CPC classification number: A01D34/008 , A01D34/58 , A01D34/64 , A01D34/73 , A01D34/733 , A01D34/74 , A01D34/78 , A01D34/81 , A01D34/828 , A01D2101/00
Abstract: The present disclosure relates to a lawn mower robot, including an inner body; an outer cover configured to surround an outer side of the inner body; a plurality of blades rotatably provided on a bottom surface of the inner body to cut grass; casters pivotably installed at both front sides of the inner body, respectively, to be pivotable about a rotation shaft; wheels rotatably mounted at both rear sides of the inner body, respectively; a driving unit configured to drive the wheels; and a sensor unit configured to sense whether or not the caster is lifted from the ground, wherein the sensor unit comprises a drop switch configured to sense the lowering of the caster when the caster is lowered in a state of being floated in the air.
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Patent Agency Ranking
公开(公告)号：US11323048B2
公开(公告)日：2022-05-03
申请号：US17087789
申请日：2020-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Chaseung Jun , Jaehoon Jeong , Sehwa Choe , Wookjin Lee
Abstract: A device for driving a plurality of motors and an electric apparatus includes a first and a second capacitor, an inverter connected to a DC terminal, a multi-phase motor connected to the inverter, a single-phase motor serially connected with the multi-phase motor, and a controller configured to control the inverter. For starting the single phase motor during operation of the multi-phase motor, the controller is configured to perform, during an alignment period, an alignment of a rotor of the single-phase motor and perform, during a voltage compensation period, a voltage compensation for compensating a voltage change of a DC terminal neutral point between the first capacitor and the second capacitor based on the alignment of the rotor of the single-phase motor.
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公开(公告)号：US11960289B2
公开(公告)日：2024-04-16
申请号：US17045537
申请日：2019-04-05
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon Lee , Kyuchun Choi , Jongjin Woo , Dongseong Kim , Hyungsub Kim , Seungin Shin , Kyungman Yu , Jaehoon Jeong , Dongkyun Nam
CPC classification number: G05D1/0219 , A01D34/008 , A01D34/86 , B60L53/16 , B60L53/36 , G05D1/0088 , G05D1/0214 , G05D1/0225 , G05D1/0259 , A01D2101/00 , B60L2200/40 , G05D2201/0208
Abstract: The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body with respect to a traveling surface in a traveling area, a sensing unit which acquires environment information of the traveling area, and a controller which sets a parameter tailored to the traveling area according to the environment information and performs pattern traveling of the traveling area. Accordingly, even when information on an environment in which the moving robot is installed is not obtained from a manufacture in advance, the moving robot can directly obtain information on the corresponding environment and set an optimum parameter according to the environment to increase efficiency.
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公开(公告)号：US11116370B2
公开(公告)日：2021-09-14
申请号：US15858702
申请日：2017-12-29
Applicant: LG ELECTRONICS INC.
Inventor： Hanshin Kim , Jaehoon Jeong , Dongkyun Nam
Abstract: A cleaning robot includes a cover, a fixed body provided in the cover, a traveling part connected to the fixed body, a movement frame fastened to the cover to move in correspondence with movement of the cover, an inner body configured to support the movement frame relative to the fixed body, and a rotator provided on a bottom of the inner body to rotate in correspondence with movement of the cover.
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公开(公告)号：US11140816B2
公开(公告)日：2021-10-12
申请号：US16251957
申请日：2019-01-18
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon Lee , Seungin Shin , Jaehoon Jeong
IPC: A01D34/00 , A01D34/58 , B25J13/08 , A01D101/00
Abstract: A mowing robot includes a body which forms an outer shape and an internal space; a first wheel and a second wheel which are independently rotatably provided at a first side and a second side respectively so that the body can rotate and move forward with respect to ground; a first motor which provides a rotational force to the first wheel; a second motor which provides a rotational force to the second wheel; and a sensor which is provided in the internal space, has a gyro sensing function for at least horizontal rotation, and has a magnetic field sensing function, wherein the sensor is provided between a wheel front end plane and a wheel rear end plane, and is provided above a first motor upper end plane and a second motor upper end plane.
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公开(公告)号：US10555457B2
公开(公告)日：2020-02-11
申请号：US15856330
申请日：2017-12-28
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsup Song , Jaehoon Jeong
Abstract: The present disclosure relates to a lawn mower robot, including an inner body; an outer cover configured to surround an outer side of the inner body; a plurality of blades rotatably provided on a bottom surface of the inner body to cut grass; casters pivotably installed at both front sides of the inner body, respectively, to be pivotable about a rotation shaft; wheels rotatably mounted at both rear sides of the inner body, respectively; a driving unit configured to drive the wheels; and a sensor unit configured to sense whether or not the caster is lifted from the ground, wherein the sensor unit comprises a drop switch configured to sense the lowering of the caster when the caster is lowered in a state of being floated in the air.
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