ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,230, issued on Feb. 18, was assigned to FMR LLC (Boston).
"Secure transmission and authentication of a user credential" was invented by Luke Paxton (Sudbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses are described for secure transmission and authentication of a user credential. A device comprising a memory, a processor, and a laser diode identifies a first user credential comprising a sequence of alphanumeric characters, converts the first user credential into a first plurality of analog signals, and activates the laser diode using the first plurality of analog signals to emit light detectable by a emitted light se...