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:
Mar. 22, 2022
Filed:
Aug. 15, 2019
Applicant:
Pixart Imaging Inc., Hsin-Chu County, TW;
Inventors:
Chung-Ting Yang, Hsin-Chu County, TW;
Kai-Ho Tsai, Hsin-Chu County, TW;
Assignee:
PIXART IMAGING INC., Hsin-Chu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/30 (2006.01); A47L 9/28 (2006.01); A47L 11/40 (2006.01); B25J 19/02 (2006.01); B25J 11/00 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2826 (2013.01); A47L 9/30 (2013.01); A47L 11/4011 (2013.01); B25J 11/0085 (2013.01); B25J 19/022 (2013.01); A47L 2201/06 (2013.01);
Abstract
There is provided a cleaning robot including a first light source, a second light source, an image sensor and a processor. The processor is used to calculate an image quality of an image frame captured by the image sensor when the second light source is being turned on. The processor then determines whether to switch the second light source back to the first light source according to the image quality to accordingly identify the material of an operation surface.