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公开(公告)号：US20210259498A1
公开(公告)日：2021-08-26
申请号：US17255103
申请日：2019-05-30
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: The present disclosure relates to a plurality of autonomous cleaners. A first cleaner of the plurality of autonomous cleaners according to one embodiment of the present disclosure includes a traveling unit to move a main body thereof, a communication unit to perform communication with a second cleaner, and a control unit to determine a position of the second cleaner using an Ultra-WideBand (UWB) signal output from the communication unit, and set area information, in which the first and second cleaners are to perform cleaning, based on a position of the first cleaner and the position of the second cleaner, wherein the control unit controls the second cleaner based on second area information in which the second cleaner is to perform cleaning.
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公开(公告)号：US20190337155A1
公开(公告)日：2019-11-07
申请号：US16401666
申请日：2019-05-02
Applicant: LG Electronics Inc.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: A mobile robot according to an embodiment of the present disclosure may include a traveling unit configured to move a main body; a communication unit configured to communicate with another mobile robot that emits a signal; and a controller configured to recognize the location of the another mobile robot based on the signal, and control the moving of the another mobile robot to follow along a moving path of the main body based on the recognized location. In addition, the controller may transmit a signal corresponding to a change of the moving direction to the main body in response to the change of the moving direction, and sense a change in the receiving direction of the signal according to the change of moving direction to transmit a control command for restricting the follow-up to the another mobile robot.
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公开(公告)号：US20190155299A1
公开(公告)日：2019-05-23
申请号：US16300218
申请日：2017-05-10
Applicant: LG ELECTRONICS INC.
Inventor： Sihyuk YI , Jaehwan KO , Hyukdo KWEON
Abstract: Disclosed are a moving robot and a control method thereof, and the moving robot comprises a floor sensing unit comprised of a plurality of transmitters, for which different sensing distances are set, and a single receiver, and, since a floor state is sensed using a plurality of sensors, it is possible to sense a normal floor states, an obstacle or a cliff present on a floor, and a long-distance state at a distance farther than the normal floor state, thereby preventing wrong sensing of a cliff due to an obstacle, and, since whether to keep traveling is set depending on the obstacle and a traveling speed is controlled, even an area previously not allowed to enter due to the wrong sensing may be cleaned and therefore a cleaning area may be increased.
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公开(公告)号：US20230030384A1
公开(公告)日：2023-02-02
申请号：US17789831
申请日：2020-10-14
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: Provided is a method for controlling a robot cleaner including a first operation of identifying that a manual cleaner and the robot cleaner are turned on, a second operation of identifying, by the robot cleaner, a location of the manual cleaner, a third operation of moving, by the robot cleaner, to a location within a first set distance from the manual cleaner, and a fourth operation of stopping the movement of the robot cleaner when the robot cleaner is located at the location within the first set distance from the manual cleaner while the manual cleaner is moving, and performing, by the robot cleaner, cleaning while moving when the robot cleaner is located at a location within a second set distance from the manual cleaner.
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公开(公告)号：US20210405652A1
公开(公告)日：2021-12-30
申请号：US17468927
申请日：2021-09-08
Applicant: LG Electronics Inc.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: A mobile robot may include a traveling unit configured to move a main body; a memory configured to store trajectory information of a moving path corresponding to the movement of the main body; a communication unit configured to communicate with another mobile robot that emits a signal; and a controller configured to recognize the location of the another mobile robot based on the signal, and control the another mobile robot to follow a moving path corresponding to the stored trajectory information based on the recognized location. In addition, the controller may control the moving of the another mobile robot to remove at least part of the stored trajectory information, and allow the another mobile robot to follow a moving path corresponding to the remaining trajectory information in response to whether the moving path corresponding to next trajectory information to be followed by the another mobile robot satisfies a specified condition.
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Patent Agency Ranking
公开(公告)号：US20190339713A1
公开(公告)日：2019-11-07
申请号：US16398761
申请日：2019-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: A plurality of autonomous mobile robots includes a first mobile robot having a first module for transmitting and receiving an Ultra-Wideband (UWB) signal, and a second mobile robot having a second module for transmitting and receiving the UWB signal. The second mobile robot follows the first mobile robot using the UWB signal.
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公开(公告)号：US20190339690A1
公开(公告)日：2019-11-07
申请号：US16398931
申请日：2019-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Hyukdo KWEON , Jaehwan KO
Abstract: A plurality of autonomous mobile robots include a first mobile robot and a second mobile robot. The first mobile robot is provided with a plurality of transmitting optical sensors for outputting light and a first module for transmitting and receiving a Ultra-Wideband (UWB) signal. The second mobile robot is provided with a plurality of receiving optical sensors for receiving light and a second module for transmitting and receiving the UWB signal. A control unit of the second mobile robot determines an angle at which the first mobile robot is located with respect to a front of the second mobile robot using the light. The control unit also determines a distance from the second mobile robot to the first mobile robot using the UWB signal, and determines a relative position of the first mobile robot based on the angle and the distance.
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公开(公告)号：US20210397201A1
公开(公告)日：2021-12-23
申请号：US17463608
申请日：2021-09-01
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Hyukdo KWEON , Jaehwan KO
Abstract: A plurality of autonomous mobile robots includes a first mobile robot and a second mobile robot. The first mobile robot is provided with a transmitting optical sensor for outputting laser light, and a first module for transmitting and receiving an Ultra-Wideband (UWB) signal. The second mobile robot is provided with a receiving optical sensor for receiving the laser light and a plurality of second modules for transmitting and receiving the UWB signal. A control unit of the second mobile robot determines a relative position of the first mobile robot based on the received UWB signal and a determination of whether the laser light is received by the optical sensor.
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公开(公告)号：US20190339715A1
公开(公告)日：2019-11-07
申请号：US16398813
申请日：2019-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon KWAK , Hyukdo KWEON , Jaehwan KO
Abstract: A plurality of autonomous mobile robots includes a first mobile robot and a second mobile robot. The first mobile robot is provided with a transmitting optical sensor for outputting laser light, and a first module for transmitting and receiving an Ultra-Wideband (UWB) signal. The second mobile robot is provided with a receiving optical sensor for receiving the laser light and a plurality of second modules for transmitting and receiving the UWB signal. A control unit of the second mobile robot determines a relative position of the first mobile robot based on the received UWB signal and a determination of whether the laser light is received by the optical sensor.
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公开(公告)号：US20190339711A1
公开(公告)日：2019-11-07
申请号：US16401232
申请日：2019-05-02
Applicant: LG Electronics Inc.
Inventor： Donghoon KWAK , Jaehwan KO , Hyukdo KWEON
Abstract: A mobile robot may include a traveling unit configured to move a main body; a memory configured to store trajectory information of a moving path corresponding to the movement of the main body; a communication unit configured to communicate with another mobile robot that emits a signal; and a controller configured to recognize the location of the another mobile robot based on the signal, and control the another mobile robot to follow a moving path corresponding to the stored trajectory information based on the recognized location. In addition, the controller may control the moving of the another mobile robot to remove at least part of the stored trajectory information, and allow the another mobile robot to follow a moving path corresponding to the remaining trajectory information in response to whether the moving path corresponding to next trajectory information to be followed by the another mobile robot satisfies a specified condition.
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