ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,186, issued on July 29, was assigned to LNW Gaming Inc. (Las Vegas).
"Chip tracking system" was invented by Martin S. Lyons (Henderson, Nev.) and Rolland Steil (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one aspect of the present disclosure, a gaming system with a chip tray positioned above a light-diffusion box. The chip tray has a transparent portion on its underside. A tracking controller illuminates the light-diffusion box with diffused light that shines through a transparent portion on an underside of the chip tray and illuminates the edge of one or more chips in a chip stack. An image sensor captures an image of the ...