ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,208, issued on March 17, was assigned to ECOLE POLYTECHNIQUE (Palaiseau, France), CENTRE NATIONAL DE LA RECHE SCIENTIFIQUE (Paris) and ECOLE NATIONALE SUPERIEURE DE TECHNIQUES AVANCES (Palaiseau, France).

"Plenoptic imaging device with a virtual intermediate image" was invented by Philippe Zeitoun (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plenoptic imaging device for forming an image of the light field of an object, includes a sample holder suitable for holding the object; a main optical assembly, arranged to focus rays of the light field of the object, at a distance z0, referred to as the object distance, from the sample holder, whic...