ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,961, issued on Nov. 4, was assigned to Circuits & Systems Inc. (East Rockaway, N.Y.).
"Surface acoustic wave scale" was invented by Arnold Gordon (Woodmere, N.Y.) and Li Feng (Plainview, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Surface acoustic wave (SAW) weighing apparatus and related methods are provided for measuring weight of a load employing a displaceable elastic member that is displaced by the load. A piezoelectric SAW transducer is coupled to the elastic member. The piezoelectric transducer along with an amplifier electrically coupled thereto form a delay line oscillator circuit that is configured to generate an oscillating signal ...