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公开(公告)号：US20230024763A1
公开(公告)日：2023-01-26
申请号：US17777732
申请日：2020-10-22
Applicant: LG ELECTRONICS INC.
Inventor： Dongki NOH , Seungmin BAEK , Jaekwang LEE , Jeongwoo JU , Jaemin LEE , Sungyeon PARK , Minkuk JUNG
Abstract: The present specification relates to a mobile robot system and a boundary information generation method for the mobile robot system, the mobile robot system comprising a signal processing device that comprises a receiving tag for receiving a transmission signal and a distance sensor, so as to recognize coordinate information about a spot at which the point of the distance sensor is designated on the basis of the reception result of the receiving tag and the distance measurement result of the distance sensor, thereby generating boundary information according to the path designated as the point of the distance sensor on the basis of the recognized coordinate information.
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公开(公告)号：US20210336497A1
公开(公告)日：2021-10-28
申请号：US17165329
申请日：2021-02-02
Applicant: LG Electronics Inc.
Inventor： Jaemin LEE , Youngjun AHN , Kilyoung KIM , Junho LEE , Jihwan KONG , Taeseok JEONG
IPC: H02K1/27 , H02K11/215 , H02K21/16
Abstract: Disclosed is an IPM motor that detects an accurate position of a rotor. The IPM motor includes a stator, a hub, a plurality of spokes extending outward in a radial direction from the hub, a plurality of slots defined between the spokes, a rotor rotatably installed in the stator, wherein the rotor includes a plurality of permanent magnets respectively arranged in the slots, a sensor disposed adjacent to the rotor, wherein the sensor is configured to detect a position of each permanent magnet, and a cover disposed on the rotor to cover the rotor, wherein the cover is constructed to guide magnetic flux of each permanent magnet to the sensor at a specific point of the slot of the rotor.
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公开(公告)号：US20230040390A1
公开(公告)日：2023-02-09
申请号：US17791627
申请日：2021-01-07
Inventor： Minwoo JEONG , Sehyeon KIM , Bongjun KIM , Wonjoon CHOI , Jaemin LEE
Abstract: A radiator according to one embodiment of the present invention comprises at least one group of heat dissipation layers that are applied to the surface of the radiator so as to be sequentially layered thereon, wherein the one group of heat dissipation layer comprises a first coating layer formed by applying either a first dispersion solution or a second dispersion solution, and a second coating layer formed by applying the dispersion solution differing from that on the first coating layer, the first dispersion solution comprises positively charged metal oxide nanoparticles, and the second dispersion solution comprises negatively charged carbon nanotubes (CNT-COOH). The heat dissipation layer is formed in a porous thin film structure so as to have thickness of several micrometers, and thus increases a heat dissipation area by ten times, thereby improving heat dissipation efficiency, and can be applied without being restricted by the size, volume, shape, arrangement and the like of a radiator.
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4.发明申请公开(公告)号：US20220386522A1
公开(公告)日：2022-12-08
申请号：US17782650
申请日：2020-10-22
Applicant: LG ELECTRONICS INC.
Inventor： Dongki NOH , Jeongwoo JU , Seungmin BAEK , Jaekwang LEE , Jaemin LEE , Sungyeon PARK , Minkuk JUNG
Abstract: The present specification relates to a mobile robot system and a method for generating boundary information of the mobile robot system, wherein the mobile robot system generates first map data for the locations of a plurality of transmitters installed in a driving area on the basis of the result of receiving the transmission signals from the plurality of transmitters, receives second map data for an area corresponding to the driving area from a communication target means in which map information of an area including the driving area is stored, and matches the first map data and the second map data to generate boundary information about a boundary area of the driving area.
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