ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,609, issued on April 14, was assigned to STMICROELECTRONICS INTERNATIONAL N.V. (Geneva).
"Quadrature oscillator" was invented by Florence Giry-Cassan (Corenc, France) and Antoine Ranieri (Montbonnot-Saint-Martin, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present description concerns a device comprising two oscillators coupled to each other so as to operate in quadrature, each oscillator comprising an inductor and a capacitive element having a value selectable from among at least two values, each corresponding to an operating frequency value of the oscillators, each oscillator being configured so that, for each operating frequency va...