ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,127, issued on Sept. 8, was assigned to Dynamics Inc. (Cheswick, Pa.).
"Locking features for powered cards and devices" was invented by Jeffrey D. Mullen (Glenshaw, Pa.), Bruce S. Cloutier (Jeannette, Pa.) and Michael T. Wallace (Payson, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Cards may be provided with locked modes of operation. A card may, for example, monitor a particular sequence of one or more manual inputs while the card transitions from a low-power mode of operation to a locked mode of operation. The card may store the particular sequence of the one or more manual inputs as a locking code. The card may ignore subsequent manual in...