Stefan E Roijers

Title: Innovations by Inventor Stefan E Roijers

Introduction

Stefan E Roijers is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of circuit arrangements and lighting technology. With a total of 2 patents, his work reflects a commitment to advancing electronic solutions.

Latest Patents

Roijers' latest patents include a circuit arrangement and a signaling light provided with the circuit. The circuit arrangement is designed for operating a semiconductor light source and includes connection terminals for a control unit, an input filter, and a converter with a control circuit. It also features output terminals for connecting the semiconductor light source and an apparatus for removing leakage current in the control unit when in a non-conducting state. Additionally, it incorporates a self-regulating circuit for deactivating the leakage current apparatus and a detection circuit to identify any malfunctioning of the converter or the light source by monitoring minimum and maximum voltage levels at the output terminals. Another patent involves a circuit arrangement for igniting and operating a discharge lamp, which is equipped with an interference signal.

Career Highlights

Throughout his career, Roijers has worked with prominent companies such as U.S. Philips Corporation and Lumileds Lighting B.V. His experience in these organizations has allowed him to develop innovative solutions in lighting technology.

Collaborations

Roijers has collaborated with notable colleagues, including Marcel J Bucks and Engbert B Nijhof. These partnerships have contributed to the advancement of his projects and innovations.

Conclusion

Stefan E Roijers is a distinguished inventor whose work in circuit arrangements and lighting technology has led to valuable patents. His contributions continue to influence the field and inspire future innovations.