Company Filing History:
Years Active: 2004-2008
Title: Innovations of Zhan Duan in Power Electronics
Introduction
Zhan Duan is an accomplished inventor based in San Jose, California. He has made significant contributions to the field of power electronics, holding three patents that showcase his innovative approach to technology. His work primarily focuses on improving the efficiency and functionality of electronic devices.
Latest Patents
One of Zhan Duan's latest patents is titled "Method and apparatus for a pulse width modulated DC-DC converter." This invention involves generating a pulse width modulated pulse signal and adjusting its duty cycle according to different schedules. The target duty cycle is derived from the offset between output voltage and target voltage, as well as the rate of changes in the offset. The invention allows for rapid adjustments in the control signal pulse width during the coarse tuning cycle, followed by finer adjustments as the output voltage approaches the target.
Another notable patent is the "Variable impedance network for an integrated circuit potentiometer." This invention includes an impedance network with a wiper terminal that provides a tap position at a selected impedance value. The design aims to reduce resistance variation during switching between tap positions, enhancing the performance of integrated circuits.
Career Highlights
Zhan Duan is currently employed at Winbond Electronics Corporation, where he continues to develop innovative solutions in the electronics industry. His expertise in power electronics has positioned him as a valuable asset to his company and the field at large.
Collaborations
Zhan has collaborated with notable colleagues, including Hagop A Nazarian and William Tang. These partnerships have contributed to the advancement of technology and the successful development of various projects.
Conclusion
Zhan Duan's contributions to power electronics through his patents reflect his dedication to innovation and improvement in electronic devices. His work continues to influence the industry and inspire future advancements.