Company Filing History:
4 out of 131,611 
2 out of 4,304 
Years Active: 2012-2013
Title: Xueyi Yu: Innovator in Frequency Division and Phase-Locked Loop Circuits
Introduction
Xueyi Yu is a prominent inventor based in Beijing, China. He has made significant contributions to the field of electronics, particularly in the development of frequency dividers and phase-locked loop circuits. With a total of 4 patents to his name, Yu's work has garnered attention in both academic and industrial circles.
Latest Patents
Xueyi Yu's latest patents include innovative designs that enhance the functionality of electronic circuits. One of his notable inventions is a frequency divider that incorporates a prescaler and multiple modulus dividers. This frequency divider generates intermediate frequency signals that maintain a consistent phase difference in response to an oscillation frequency signal. The prescaler operates at a first frequency, while the modulus dividers divide the intermediate frequency signals to provide various division frequency signals based on a control signal.
Another significant patent is his phase-locked-loop (PLL) circuit, which includes a phase/frequency detector, a digital filter, a digital low pass filter (LPF), a digitally controlled oscillator (DCO), and a frequency divider. This PLL circuit performs digital-to-analog conversion and generates an output clock signal that oscillates in response to an oscillation control signal, showcasing Yu's expertise in advanced electronic design.
Career Highlights
Throughout his career, Xueyi Yu has worked with leading organizations, including Samsung Electronics and Tsinghua University. His experience in these prestigious institutions has allowed him to refine his skills and contribute to groundbreaking research in electronics.
Collaborations
Xueyi Yu has collaborated with notable professionals in his field, including Woogeun Rhee and Zhihua Wang. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Xueyi Yu stands out as an influential inventor in the realm of electronics, with a focus on frequency division and phase-locked loop circuits. His innovative patents and collaborations reflect his commitment to advancing technology and contributing to the field.