ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,775, issued on March 25, was assigned to Braillist Inc. (Incheon, South Korea).
"Apparatus for braille input and method thereof" was invented by Jae Woo Ahn (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A braille input device includes a keypad having a plurality of keys. The keypad includes: three left side corresponding keys corresponding to three dots disposed at a left side column of braille; three right side corresponding keys corresponding to three dots disposed at a right side column of braille; a plurality of left side multi keys, each left side multi key corresponding to two or more keys among the left side corres...