ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,420, issued on Feb. 10, was assigned to The ADT Security Corp. (Boca Raton, Fla.).

"Optically capturable passcodes and audible passcodes for premises access" was invented by Tai Nguyen (Glenside, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments, a system is provided. The system includes at least one computing device in communication with a premises monitoring system, where the premises monitoring system is configured to monitor a premises. At least one computing device is configured to receive an image of an optically capturable passcode, the image being captured by the premises monitoring system, receive recorded aud...