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:
Oct. 29, 2019
Filed:
May. 17, 2017
Lg Electronics Inc., Seoul, KR;
Chulmo Sung, Seoul, KR;
Woochan Jun, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A robot cleaner of the present disclosure comprises a main body configured to travel in a cleaning zone and to suction a foreign substance on a floor in the cleaning zone, an image sensor provided on the main body and configured to obtain an image of a predetermined area at a front side of the main body, a first light source provided on the main body and configured to emit a first pattern of light to a first sub-area of the predetermined area and a second light source provided on the main body at a position below the first light source and configured to emit a second pattern of light to a second sub-area of the predetermined area, the first sub-area being located lower than the second sub-area.