ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,290, issued on July 21, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Redundant on-chip high voltage generation" was invented by Lasse Aaltonen (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An auto-redundant high voltage generating circuitry and a method to generate a high voltage to a low DC current load is provided. The circuitry incudes a digital controller and two charge pump modules each comprising a charge pump. The high voltage is generated by having either one of the two charge pump modules active at a time. Each charge pump module is configured to have its output in a high impedance state whenever the ...