Company Filing History:
Years Active: 2021
Title: Changguo Shen: Innovator in Clock Recovery Technology
Introduction
Changguo Shen is a prominent inventor based in Nanjing, China. He has made significant contributions to the field of communication technology, particularly in clock recovery methods. With a total of 2 patents, his work has advanced the efficiency and reliability of data transmission over wired communication channels.
Latest Patents
Changguo Shen's latest patents include innovative methods and apparatuses for clock recovery. One of his notable inventions is a receiver designed for receiving data over a wired communication channel. This receiver comprises an analog front end circuit, a pulse generation circuit, and a voltage-controlled oscillator (VCO). The analog front end circuit processes an analog signal carrying data, while the pulse generation circuit produces a pulse signal in response to data bit transitions. The VCO generates an oscillation signal that provides sampling clocks for the data signal, aligning transitions in the oscillation signal to the pulse signal.
Another significant patent focuses on phase and frequency control for clock-data recovery. This clock-data recovery circuit features a variable data path delay and an injection-locked oscillator with a free-running frequency. It includes circuitry that adjusts the variable data path delay and the free-running frequency based on measurements of the input data signal. This innovation addresses inter-symbol interference and enhances the accuracy of data recovery.
Career Highlights
Changguo Shen is currently employed at Marvell Asia Pte., Ltd., where he continues to develop cutting-edge technologies in the field of communication. His expertise in clock recovery systems has positioned him as a key player in advancing data transmission technologies.
Collaborations
Throughout his career, Changguo Shen has collaborated with notable colleagues, including Wenjie Li and Jianmin Guo. These collaborations have fostered a productive environment for innovation and technological advancement.
Conclusion
Changguo Shen's contributions to clock recovery technology exemplify his commitment to enhancing communication systems. His innovative patents and collaborative efforts continue to shape the future of data transmission.