ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,460, issued on March 18.
"Multiplexing-based validation via a proxy card at a terminal device" was invented by Rahul Mutha (Norwood, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Automated testing and validation of integrated circuit cards for point of sale transactions is provided. A microcontroller can receive, via an automation script executed by a point of sale device, an instruction to select a slot in a card stack. The microcontroller can activate, responsive to the instruction, the slot to establish an electrical connection between an integrated circuit card in the slot and a proxy card in a terminal device. The microcontroller can re...