ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,166, issued on June 17, was assigned to Carl Zeiss Spectroscopy GmbH (Jena, Germany).

"Method for pre-calibrating and correcting measurement errors of a spectroscopic measurement device, and measurement device" was invented by Peter Westphal (Jena, Germany), Daniel Bublitz (Rausdorf, Germany) and Karsten Lindig (Erfurt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A measurement device for spectroscopic constituent analysis includes a control unit, a light source, a sample holder arranged in the beam path of the light source, and a spectral measurement module. The measurement module comprises at least one photosensor with organic photodiode...