ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,232, issued on March 25, was assigned to ISRA VISION GMBH (Darmstadt, Germany).
"Method and inspection device for optically inspecting a surface" was invented by Stefan Leute (Herten, Germany) and Koichi Harada (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for optically inspecting a surface (10) of an object (1) and an inspection device (9) including are described. With the method a temporally periodic pattern (13) with different illumination patterns (130) is generated on the surface (10) via a illumination device (8) of the inspection device (9) during an image recording sequence (13), and in the image recording sequence...