ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,249, issued on Dec. 2, was assigned to Alexey Vladimirovich Veryaskin (Australia).
"Capacitance sensing method and assembly" was invented by Alexey Vladimirovich Veryaskin (Hocking, Australia) and Frank Joachim van Kann (Mount Claremont, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A capacitance sensing assembly is provided. The capacitance sensing assembly includes an op-amp arranged with four complex impedance circuits and a sensing capacitor connected to the fourth complex impedance circuit and ground; or to the non-inverting input of the op-amp, the fourth complex impedance circuit, ground and the second terminal of the fourth complex...