ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,671, issued on Oct. 7.

"Interactive tactile graphic and braille display system and method of use" was invented by Venkatesh R. Chari (North Andover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system enables interactive real-time refreshable tactile graphics and braille together enabling blind or visually impaired users to experience and interact with graphics and visual events live and in three dimensions. The tactile graphic display can set each pin in an array of pins to different intermediate heights, enabling users to experience topographical maps and other graphical elements such as shades and color represented as varying heights of ...