Patent ID: 6477266
Filing Date: 2002-11-05
Classification: G01N,G06T

Abstract:
A vision comparison inspection system for use in association with a printed circuit assembly production line, said vision inspection system comprising:an electronic image capture device fixedly positioned to capture an image (Test Board image) of the entirety of a printed circuit assembly under test (Test Board); a lighting system for illuminating said Test Board; an imaging control system receiving the output of said image capture device and including a programmed image processing computer, an electronic display device and an input device; an administrative control module in said imaging control system for creating files containing images (Golden Board images) corresponding to known good circuit assemblies (Golden Boards); a user control module in said imaging control system including image processing means for processing said Test Board image and animation means for alternatingly displaying a Golden Board image and said Test Board image on said display device, whereby defects in said printed circuit assembly under test can be visually identified using said Test Board image without the need to reposition said image capture device or said Test Board; and said administrative control module further comprising an administrative mode graphical user interface including an administrative mode primary window and an administrative mode overview window, said administrative mode overview window displaying said Golden Board image within the field of view of said electronic image capture device and an administrative mode viewing rectangle superimposed over said Golden Board image, and said administrative mode primary window displaying the portion of said Golden Board image located within said administrative mode viewing rectangle.