ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,515, issued on April 29, was assigned to Ledger (Paris).

"Auxiliary-channel-based method for capturing images using a display screen" was invented by Bruno Charrat (Aix en Provence, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for generating an image signal of an object by way of a display device including a display screen including light-emitting diodes arranged in rows and columns, the method including displaying a series of images each representing one respective pattern leading to the emission of a light beam that may be identical or different to the preceding light beam depending on whether the displayed pattern is identical or...