ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,120, issued on Feb. 10, was assigned to Carl Zeiss Microscopy GmbH (Jena, Germany).
"Hybrid differential defocus phase contrast" was invented by Lars Lotgering (Jena, Germany), Lars Stoppe (Jena, Germany) and Markus Sticker (Jena, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Phase contrast images are calculated by digitally post-processing microscope images acquired at different angled illumination configurations and defocus values."
The patent was filed on July 9, 2024, under Application No. 18/766,847.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2...