US 12,285,876 B2
Cleaning robot capable of eliminating reflection interference
Chi-Chieh Liao, Hsin-Chu County (TW); and Guo-Zhen Wang, Hsin-Chu County (TW)
Assigned to PIXART IMAGING INC., Hsin-Chu County (TW)
Filed by PixArt Imaging Inc., Hsin-Chu County (TW)
Filed on Aug. 8, 2022, as Appl. No. 17/882,648.
Application 17/882,648 is a continuation in part of application No. 17/470,401, filed on Sep. 9, 2021, granted, now 11,565,423.
Application 17/470,401 is a continuation of application No. 16/157,096, filed on Oct. 11, 2018, granted, now 11,141,863.
Prior Publication US 2022/0369886 A1, Nov. 24, 2022
Int. Cl. B25J 9/00 (2006.01); A47L 9/28 (2006.01); A47L 11/24 (2006.01); A47L 11/40 (2006.01); B25J 9/16 (2006.01); B25J 11/00 (2006.01)
CPC B25J 9/1697 (2013.01) [A47L 9/2826 (2013.01); A47L 11/24 (2013.01); A47L 11/40 (2013.01); A47L 11/4061 (2013.01); B25J 9/1666 (2013.01); B25J 11/0085 (2013.01); A47L 2201/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A cleaning robot, comprising:
a housing front edge, located on a side of the cleaning robot toward a moving direction;
a light source module, configured to project a horizontal line pattern toward the moving direction and perpendicular to the housing front edge; and
an image sensor, configured to acquire an image of the horizontal line pattern toward the moving direction, wherein the light source module is arranged at a position lower than the image sensor.