Invention Grant
- Patent Title: Robot cleaner and a controlling method for the same
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Application No.: US16508487Application Date: 2019-07-11
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Publication No.: US11432697B2Publication Date: 2022-09-06
- Inventor: Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2019-0014053 20190201
- Main IPC: A47L11/40
- IPC: A47L11/40 ; G05D1/02

Abstract:
A cleaning system may include a first mobile robot, a communication unit configured to communicate with a second mobile robot that emits a second signal, and a controller configured to recognize the location of the second mobile robot using the second signal, and control a moving speed of the first mobile robot such that the second mobile robot follows a trajectory corresponding to the movement of the first mobile robot based on the recognized location. The controller may transmit a first signal to the second mobile robot in response to the first mobile robot approaching the second mobile robot to within a distance less than a threshold distance from the second mobile robot, and control avoidance moving of the first mobile robot and the second mobile robot based on the second signal of the second mobile robot responding to the first signal.
Public/Granted literature
- US11357377B2 Robot cleaner and a controlling method for the same Public/Granted day:2022-06-14
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