Company Filing History:
3 out of 14,087 
1 out of 21,376 
Years Active: 1987-2007
Introduction
Rolf E De Man is a notable inventor based in Eindhoven, Netherlands, recognized for his contributions to lighting technology. With a total of four patents registered under his name, his work primarily focuses on advancements in discharge lamp technology, enhancing efficiency and functionality.
Latest Patents
One of his most recent inventions is the **Low-pressure mercury vapor discharge lamp**. This innovative lamp comprises a light-transmitting discharge vessel that encloses a discharge space filled with mercury and a rare gas. The design includes discharge means for maintaining the discharge in the space, along with a container that holds an amalgam. The amalgam features releasing means to control the release of mercury vapor, optimizing performance during operation and ensuring stability at predetermined temperatures.
Another significant patent is the **Ignition circuit for a discharge lamp**. This circuit arrangement is designed to supply a discharge lamp with direct current from a supply voltage source. It efficiently generates DC voltage from the supply, stabilizing the discharge lamp's operation after ignition. The circuit includes unique branches with capacitors and diodes to enhance performance and reliability.
Career Highlights
Rolf E De Man has had an impressive career, contributing to prominent companies such as U.S. Philips Corporation and Koninklijke Philips Corporation N.V. His work in these organizations has played a pivotal role in advancing lamp technology and creating innovative solutions for lighting.
Collaborations
Throughout his career, De Man has collaborated with talented individuals such as Franciscus A Ligthart and Christianus J Roozekrans. These partnerships have fostered an environment of innovation and have led to significant technological advancements in the field.
Conclusion
Rolf E De Man’s contributions to the field of lighting continue to make a lasting impact. His inventive spirit and dedication to improving discharge lamp technology exemplify the essence of innovation. As he continues his work, the potential for new inventions remains significant, promising further advancements in this essential area of technology.