ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,839, issued on May 20, was assigned to GIGADEVICE SEMICONDUCTOR INC. (Beijing).
"RC oscillator" was invented by Sheji Li (Beijing) and Sanlin Liu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an RC oscillator comprising: a bias circuit, generating first and second bias currents, and outputting a charging current proportional to a total bias current that is the sum of the first and second bias currents, wherein the ratio of the first bias current to the second bias current has a positive temperature coefficient; and an oscillation circuit, for periodically charging a capacitor using the charging current output by the bias circu...