ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,090, issued on April 21.
"Chorded multilingual human interface controller ChordABC" was invented by Grigori Soulkine (Vaughan, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention is a chording keyboard, with air mouse and IR TV remote blindly operated by two hands. Leading hand is pressing buttons on the front of the device to enter General chord and another holding hand is pressing buttons on the side of the device to enter Modifier chord where one modifier button-#6 is activating air mouse. Changing Modifier chord allows to switch General chord from input of characters to input of numbers, punctuation, brackets, edit and TV comma...