ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,181, issued on April 8.
"Chess clock with QR code scanner and methods of use thereof" was invented by Tianqi Liu (Jericho, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A programmable digital chess clock is provided that includes a QR code reader (or other 2D and/or 1D barcode reader) for reading a QR code or barcode that encodes instructions for programming and setting the digital chess clock. The digital chess clock includes a microcontroller operatively arranged to program and set the digital chess clock, wherein the QR code reader or other barcode reader is operatively arranged to read the QR code or barcode and send a signal to the microc...