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:
Apr. 07, 2020
Filed:
Dec. 28, 2017
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 53/37 (2019.01); G05D 1/02 (2020.01); A47L 9/28 (2006.01); G05D 1/00 (2006.01); B60L 53/36 (2019.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G05D 1/0234 (2013.01); A47L 9/2805 (2013.01); A47L 9/2826 (2013.01); A47L 9/2852 (2013.01); A47L 9/2894 (2013.01); B60L 53/36 (2019.02); B60L 53/37 (2019.02); G05D 1/0088 (2013.01); G05D 1/0225 (2013.01); A47L 2201/022 (2013.01); A47L 2201/04 (2013.01); G05D 2201/0215 (2013.01); H02J 7/0042 (2013.01);
Abstract
A robot cleaner (or autonomous cleaner) charging system includes a first light emitting device to output an optical signal for inducing a docking of the robot cleaner, a second light emitting device and a third light emitting device to output an optical signal for inducing a homing of the robot cleaner, and provided at left and right of the first light emitting device, respectively, and a light emitting device fixing member to set position and direction of the first, second and third light emitting devices.