US Patent Issued to Cognex on Dec. 9 for "System and method for reduced-speckle laser line generation" (Connecticut Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,196, issued on Dec. 9, was assigned to Cognex Corp. (Natick, Mass.).

"System and method for reduced-speckle laser line generation" was invented by John F. Filhaber (Norwich, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination apparatus for reducing speckle effect in light reflected off an illumination target includes a laser; a linear diffuser positioned in an optical path between an illumination target and the laser to diffuse collimated laser light in a planar fan of diffused light that spreads in one dimension across at least a portion of the illumination target; and a beam deflector to direct the collimated laser light incident o...