ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,224, issued on Nov. 18, was assigned to Honeywell International Inc. (Charlotte, N.C.).
"Silicon piezoresistor force sensor" was invented by Brian Speldrich (Freeport, Ill.) and Richard Alan Davis (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for sensing force using a sense die is disclosed. The method may include providing a sense die comprising a chip having a slab formed thereon; applying a force to the slab of the sense die; and determining the magnitude of the force applied to the slab via one or more sense elements attached to the slab. In some examples, the ratio of the width of the slab to the distance between the sen...