ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,250, issued on Feb. 10, was assigned to Apple Inc. (Cupertino, Calif.).
"Strain gauge multi-mode sensing" was invented by Denis G. Chen (San Jose, Calif.), Darya Amin-Shahidi (Menlo Park, Calif.), Stephanie Moon (San Francisco) and Vyom Sharma (Newark, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a button, a set of force sensors coupled with the button, a haptic engine coupled to with the button, and control circuitry, where the control circuitry is configured to control operation of the device according to a first mode of operation during a first time duration to detect user force applied to the button via signals from th...