ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,428, issued on Aug. 25, was assigned to Analog Devices Inc. (Wilmington, Mass.).
"Enhanced auto-zero circuit" was invented by Michael C.W. Coln (Lexington, Mass.), Qingdong Meng (Belmont, Mass.) and Phillip Michel Nadeau (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An enhanced auto-zero circuitry and technique for reducing the effective input offset voltage of an amplifier. The circuitry includes a multi-phase auto-zeroing amplifier circuitry including several capacitor and switch components and a switch controller circuit. The switch controller circuit is configured to provide control signals for controlling the switches, where ...