ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,221, issued on Jan. 28, was assigned to Snap Inc. (Santa Monica, Calif.).
"Eyewear with a shape memory alloy actuator" was invented by Kenneth Kubala (Boulder, Colo.) and Weston Welge (Boulder, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic eyewear device with a shape memory alloy (SMA) actuator to apply torque to the eyewear temples. The torque presses the eyewear temples against the side of a user's head for a snug and comfortable fit. The SMA actuator allows one size of eyewear frames to fit a larger range of users, thereby reducing the number of sizes required to be manufactured for the electronic eyewear device."
The patent...