Changsong Ma

Title: Changsong Ma: Innovator in Electronic Ballast Technology

Introduction

Changsong Ma is a notable inventor based in Guangdong, China. He has made significant contributions to the field of lighting technology, particularly through his innovative designs and patents. His work focuses on enhancing the efficiency and functionality of electronic ballasts used in lighting units.

Latest Patents

Changsong Ma holds a patent for an "Electronic ballast for lighting unit and lighting apparatus." This invention includes a Power Factor Correction (PFC) circuit, an inverter, and a control circuit that manages the startup of the inverter. The control circuit is strategically positioned between the PFC circuit and the inverter, featuring a switching device in a startup loop for the inverter. Additionally, it incorporates a unidirectional conductive device that prevents startup current from triggering the switching device, ensuring a smooth operation. This innovative design enhances the reliability and efficiency of lighting systems.

Career Highlights

Changsong Ma is currently employed at Osram GmbH, a leading company in the lighting industry. His role involves developing advanced lighting solutions that meet modern energy efficiency standards. His expertise in electronic ballast technology has positioned him as a key contributor to the company's innovative projects.

Collaborations

Changsong Ma collaborates with talented colleagues, including Hong Dai and Yuancheng Guo. Together, they work on various projects aimed at improving lighting technologies and exploring new applications for electronic ballasts.

Conclusion

Changsong Ma's contributions to electronic ballast technology reflect his commitment to innovation in the lighting industry. His patent and collaborative efforts with colleagues underscore his role as a significant inventor in this field.