ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,332, issued on May 26, was assigned to Ivoclar Vivadent AG (Schaan, Liechtenstein).
"Color measurement with structured light" was invented by Jonas Reinhardt (Igis, Switzerland) and Christian Niedrig (Azmoos, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for spatially resolved color determination, comprising the steps of projecting (S101) a first structured-light pattern having a first wavelength of light onto a dental object; detecting (S102) a first spatially resolved optical parameter set based on the reflected or remitted first structured-light pattern; projecting (S103) a second structured-light pattern having a second wave...