ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,337, issued on Feb. 17, was assigned to Voyetra Turtle Beach Inc. (San Diego).
"Wireless keyboard" was invented by Thaddaeus Erasmus Georg Richard Tetzner (Hamburg, Germany), Chih Wei Hung (New Taipei, Taiwan) and Ying-Chin Cho (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless keyboard, comprising a body, several keys, a first detection unit, a second detection unit and a control unit. The several keys are disposed on the body. The first detection unit is disposed on one side of the body. The second detection unit is disposed on the other side of the body corresponding to the first detection unit. The first detection unit...