Patent ID: 11937766
Assignee: SHARKNINJA OPERATING LLC
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A robotic cleaner comprising:
a main body;
one or more drive wheels coupled to the main body;
a side brush configured to be driven by a side brush motor, the side brush being configured to rotate about an axis that extends transverse to a bottom surface of the main body;
one or more surface type sensors coupled to the main body at a distance from the side brush motor that is less than two times a maximum width of the side brush motor, the one or more surface type sensors being configured to receive robotic motor sound reflected from a surface to be cleaned, the robotic motor sound being generated by one or more motors of the robotic cleaner; and
a controller configured to determine a surface type based, at least in part, on the reflected robotic motor sound.