The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2026
Filed:
May. 30, 2024
Samsung Electronics Co., Ltd., Suwon-si, KR;
Juyong Kim, Yokohama, JP;
Katsunori Araki, Yokohama, JP;
Motonari Sakurai, Yokohama, JP;
Ritsuya Yamamoto, Yokohama, JP;
Takaaki Katsuura, Yokohama, JP;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A cleaning robot including a cleaning module; a traveling module to move the cleaning robot on a surface to be cleaned; a light emission unit; an infrared light sensor; a visible light sensor; and at least one processor configured to execute instructions to control the light emission unit to emit infrared light toward a detection region, control the infrared light sensor to receive the emitted infrared light that is reflected from the detection region, control the visible light sensor to receive visible light reflected from the detection region, determine, based on the reflected visible light and an intensity of the reflected infrared light, whether a liquid object is present in the detection region, control, based on determining that the liquid object is present, the traveling module to move the cleaning robot to avoid the liquid object, and control the cleaning module to clean the surface while the cleaning robot moves.