Location History:
- Eindhoven, NL (1980 - 2000)
- Best, NL (2000)
Company Filing History:
8 out of 14,087 
2 out of 3 Years Active: 1980-2000
Title: Engbert B Nijhof: Innovator in Semiconductor Lighting Technology
Introduction
Engbert B Nijhof is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of semiconductor lighting technology, holding a total of 8 patents. His work focuses on circuit arrangements and controlled current generators for operating light-emitting diodes.
Latest Patents
One of his latest patents is a circuit arrangement and signaling light provided with the circuit. This invention includes connection terminals for connecting a control unit, an input filter, a converter with a control circuit, and output terminals for connecting a semiconductor light source. It also features an apparatus for removing leakage current in the control unit when in a non-conducting state, along with a self-regulating circuit for deactivating this apparatus. Additionally, a detection circuit is included to identify any incorrect functioning of the converter or the semiconductor light source by detecting minimum and maximum voltages at the output terminals.
Another significant patent is a controlled current generator for operating light-emitting diodes. This circuit is designed for the operation of a semiconductor light source and includes terminals for connecting a power source and output terminals for the light source. The controlled current generator is regulated by the current flow through the semiconductor light source, ensuring efficient operation.
Career Highlights
Engbert B Nijhof 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 the lighting industry.
Collaborations
Throughout his career, Nijhof has collaborated with notable colleagues, including Marcel J Bucks and Johannes E Algra. These partnerships have contributed to the advancement of technology in the field of semiconductor lighting.
Conclusion
Engbert B Nijhof is a distinguished inventor whose work in semiconductor lighting technology has led to multiple patents and innovative solutions. His contributions continue to influence the industry and pave the way for future advancements.