Title:
MOBILE ROBOT
Document Type and Number:
WIPO Patent Application WO/2021/125411
Kind Code:
A1
Abstract:
The present invention comprises: a body; a pair of spin mops rotatably provided at the body; a mop motor for providing driving force to the pair of spin mops; an optical flow sensor for acquiring bottom image information on a predetermined time cycle by using light; and a control unit for determining whether a floor material is dangerous on the basis of the bottom image information sensed by the optical flow sensor, and controlling the mop motor so as to perform an entry restriction operation when the floor material is determined to be dangerous.
Inventors:
BAE YONGHWAN (KR)
Application Number:
PCT/KR2019/018254
Publication Date:
June 24, 2021
Filing Date:
December 20, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
B25J11/00; A47L11/40; B25J9/12; B25J9/16; B25J19/02
Foreign References:
| KR20190015930A | 2019-02-15 | |||
| KR20140011216A | 2014-01-28 | |||
| KR20120055891A | 2012-06-01 | |||
| KR20190108358A | 2019-09-24 | |||
| US20180213992A1 | 2018-08-02 | |||
| KR101654014B1 | 2016-09-06 |
Other References:
See also references of EP 4079466A4
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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