ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,841, issued on Sept. 30, was assigned to RichWave Technology Corp. (Taipei, Taiwan).

"Multi-band voltage controlled oscillator" was invented by Po-Chun Chang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage controlled oscillator includes a cross coupled pair circuit, a first capacitive circuit, a first inductor, a second inductor, a second capacitive circuit and a first switch circuit. The first capacitive circuit is arranged in parallel with the cross coupled pair circuit. The first inductor is arranged in parallel with the cross coupled pair circuit and has a center tapped node for receiving a power supply voltage. The sec...