US Patent No. 10,775,319


Patent No. 10,775,319
Issue Date September 15, 2020
Title Visual Sensor Lens Or Lens Cover Abnormality Detection System
Inventorship Miho Niikura, Yamanashi (JP)
Yasuhiko Kurosumi, Yamanashi (JP)
Yoshihiko Tarui, Yamanashi (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 10,775,319

1. A visual sensor lens or lens cover abnormality detection system including a visual sensor that is provided in an industrial machine or the vicinity thereof to acquire a plurality of pieces of image data, comprising:a calculation unit that calculates a contamination degree of the lens or the lens cover of the visual sensor on the basis of the image data photographed by the visual sensor; and
a prediction unit that calculates information on a predicted cleaning timing to be performed in the future, of the lens or the lens cover on the basis of a plurality of calculations of the contamination degree of the lens or the lens cover calculated by the calculation unit, each of the plurality of calculations being from a respective one of a plurality of images photographed by the visual sensor.