Patent ID: 11957286
Assignee: IROBOT CORPORATION
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 12:
13. The cleaning pad of claim 1, wherein:
the RFID identifier is a first pad type RFID identifier, and the cleaning pad comprises a second pad type RFID identifier, and
the first and second RFID identifiers are oriented such that the first RFID identifier is detectable by a pad sensor of the autonomous robot when the cleaning pad in a first orientation is received by a pad holder of the autonomous robot and such that the second RFID identifier is detectable by the pad sensor of the autonomous robot when the cleaning pad in a second orientation is received by the pad holder of the autonomous robot, the first orientation of the cleaning pad being 180 degrees rotated relative to the second orientation of the cleaning pad.