US Patent Issued to ENGELBERT HOFBAUER on Nov. 3 for "Method for measuring optical lens surfaces" (German Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,232, issued on Nov. 3, was assigned to ENGELBERT HOFBAUER (Munich).

"Method for measuring optical lens surfaces" was invented by Engelbert Hofbauer (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for measuring optical lens surfaces, a measuring beam is generated by an extended light source, collimated via an optical arrangement, and detected using an optical detector after reflection on a lens surface to be measured. An aperture delimiting the measuring beam is inserted between the light source and the optical detector and acts as a vignetting field stop. The field stop is imaged onto the optical detector out of focus as a first li...