ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,741, issued on Dec. 9, was assigned to BESTECHNIC (SHANGHAI) Co. LTD. (Shanghai).

"Voltage controlled oscillator, system circuit, and control method thereof" was invented by Ling Li (Shanghai) and Lu Chai (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "In certain aspects, a voltage controlled oscillator (VCO), a system circuit, and a control method thereof are disclosed. The VCO includes a first oscillator circuit and a second oscillator circuit. The first oscillator circuit includes a first inductor. The second oscillator circuit includes a second inductor. The first inductor is embedded inside the second inductor so that a total mutual ind...