ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,267, issued on Aug. 5, was assigned to Intuitive Surgical Operations Inc. (Sunnyvale, Calif.).
"Spread bridge XY force sensor" was invented by Ashwinram Suresh (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A force sensor is provided for use with an instrument. Accordingly, the force sensor includes a beam and a set of half-bridges that are arranged on the surface of the beam. Two of the half-bridges include tension resistors, while the other two half-bridges compression resistors. The half-bridges are arranged on the beam surface such that redundant measurements of orthogonal components of a force imparted to the beam can be made u...