ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,684, issued on May 26, was assigned to TXC Corp. (Taipei, Taiwan).
"Oscillating device" was invented by Yu-Liang Chen (Tao Yuan City, Taiwan), Chih-Hsun Chen (Tao Yuan City, Taiwan), Chi-Lun Yu (Tao Yuan City, Taiwan) and Sheng-Hsiang Kao (Tao Yuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oscillating device includes a first quartz crystal resonator, a driving circuit, a first buffer, a bandpass filter, a second quartz crystal resonator, and a second buffer coupled to each other. The driving circuit drives the first quartz crystal resonator to generate a first oscillating signal with a resonant frequency. The first buffer isolate...