ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,456, issued on June 17, was assigned to 3SHAPE A/S (Copenhagen, Denmark).
"Intraoral scanning apparatus" was invented by Rune Fisker (Virum, Denmark), Henrik Ojelund (Lyngby, Denmark), Rasmus Kjaer (Copenhagen, 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 elemen...