ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,122, issued on May 13, was assigned to Moller-Wedel Optical GmbH (Wedel, Germany).
"Device and method for measuring a semifinished prism" was invented by Michael Dahl (Radbruch, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for measuring a semifinished prism in which a first test beam path is produced, by which a first test image is imaged to infinity, and in which the first test beam path is guided as an incident beam path onto a first non-polished surface of the prism. A beam path reflected from the first non-polished surface is captured by a telescope, wherein the first test image is imaged onto a detector in the telescope. The ...