ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,973, issued on March 18, was assigned to Apple Inc. (Cupertino, Calif.).
"Vibration absorber" was invented by Jacob L. Dawson (Sunnyvale, Calif.), Daniel T. Williams (San Jose, Calif.) and Andrew J. Gunnion (Campbell, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tuned mass damper includes a damper mass having a first mass portion and a second mass portion connected by a third mass portion. The first mass portion, the second mass portion, and the third mass portion form a U-shaped configuration of the damper mass. The damper mass is configured to separate within the third mass portion in response to a force transferred to the damper mass ...