ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,774, issued on Dec. 30, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).

"Single camera-based process monitoring in FDM 3D printer" was invented by Marc Andre De Samber (Lommel, Belgium) and Harry Broers (S-Hertogenbosch, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a fused deposition modeling 3D printer (500), comprising (i) a printer head (501), (ii) a 3D printable material providing device (575), (iii) an actuator (610) for moving one or more of (a) the printer head (501) and (b) a receiver item (550), (iv) an optical sensor (620), and (v) n optical elements (630), wherein nless than=1; wherein:-...