公开(公告)号：US11828711B2

公开(公告)日：2023-11-28

申请号：US17497211

申请日：2021-10-08

Applicant: VIRTEK VISION INTERNATIONAL, INC.

Inventor： Kurt D. Rueb ,  Jeff Erbrecht ,  Beth McAndless ,  Vincent Tran

IPC: G01N21/88

CPC classification number: G01N21/8806 ,  G01N2021/888 ,  G01N2021/8861

Abstract: A method of identifying an item on a surface of a workpiece is disclosed. An optical device identifies an item on the surface of a workpiece. An item identification system includes a light projector and a photogrammetry system. One of the light projector and the photogrammetry system generates a three-dimensional coordinate system within the work cell. One of the light projector and the photogrammetry system identifies a location of the surface of the workpiece within the three-dimensional coordinates system. The controller calculates geometric location of the item on the surface of the work piece in the three-dimensional coordinate system as identified by the optical device. The controller signals the light projector to project a beam of light onto the surface of the workpiece identifying a disposition of the item disposed upon the surface of the workpiece.