ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,844, issued on Dec. 30, was assigned to LX SEMICON Co. LTD. (Daejeon, South Korea).
"Voltage-current conversion circuit, a voltage-controlled oscillator, and a phase-locked loop circuit" was invented by Ji Hoon Sohn (Daejeon, South Korea), Yong Hwan Moon (Daejeon, South Korea) and Jae Wook Yoo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The voltage-controlled oscillator can include a voltage-current conversion circuit that outputs a control current corresponding to the control voltage, and a ring oscillator that generates an output signal with a frequency corresponding to the control current. According to an embodiment, by u...