ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,638, issued on July 29, was assigned to 3SHAPE A/S (Copenhagen K, Denmark).
"Intraoral scanning apparatus" was invented by Rune Fisker (Virum, Denmark), Henrik Ojelund (Lyngby, Denmark), Rasmus Kjaer (Copenhagen K, Denmark), Mike van der Poel (Rodovre, Denmark), Arish A. Qazi (Toronto) and Karl-Josef Hollenbeck (Copenhagen, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus el...