ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,863, issued on Nov. 25, was assigned to GANCUBE LTD. (Guangdong, China).
"Sensing device, ball shaft for smart magic cube, and smart magic cube" was invented by Ganyuan Jiang (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensing device, a ball shaft for smart magic cube, and a smart magic cube are provided. By optimizing the sensing device of the smart magic cube, only two circuit boards are needed to sense rotation states in six directions, thereby changing a current technology that requires setting PCB boards and sensors in each direction of the smart magic cube. The smart magic cube has a simple structure and is easy to assem...