ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,402,852, issued on Sept. 2, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"X-ray imaging system and method" was invented by Andre Braunagel (Garching, Germany) and Thomas Koehler (Norderstedt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Concepts for multi-energy dark-field (DAX) and phase-contrast (PC) X-ray imaging are proposed. One such concept comprise acquiring a set of low energy images with phase stepping and a set of high energy images (with or without phase stepping). Transmission, DAX, and PC images are obtained from the phase-stepped low energy images using phase retrieval. Also, a high energy transmission image...