This inventor holds 1 USPTO granted patent. Top assignee: E. Energy Technology Limited. Active years: 2007.
Company Filing History:
Years Active: 2007
Title: Innovations by Yiu Hung Lam in Dimmable Electronic Ballasts
Introduction
Yiu Hung Lam is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of electronic ballasts, particularly in the development of phase-controlled dimmable systems for fluorescent lamps. His innovative approach aims to enhance the functionality and efficiency of lighting systems.
Latest Patents
Yiu Hung Lam holds a patent for "Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range." This invention addresses the need for a wide dimming range in both compact and tubular fluorescent lamps. The patent proposes two novel control approaches. The first approach involves techniques for suppressing oscillatory effects in the Triac circuit, ensuring stable operation over a wide firing angle range. The second approach introduces a hybrid dimming control technique in the ballast inverter circuit, allowing for a dimming range from 100% to about 3%. This innovative dimming control reduces the range of inverter frequency variation, maximizing the overall dimming range.
Career Highlights
Yiu Hung Lam is associated with E. Energy Technology Limited, where he applies his expertise in electronic ballast technology. His work has contributed to advancements in energy-efficient lighting solutions.
Collaborations
He has collaborated with notable coworkers, including Pak Chuen Tang and Shu Hung Chung, who have supported his innovative endeavors in the field.
Conclusion
Yiu Hung Lam's contributions to the development of dimmable electronic ballasts demonstrate his commitment to innovation in lighting technology. His patent reflects a significant advancement in achieving efficient and versatile lighting solutions.