This inventor holds 4 USPTO granted patents and 3 EPO patents. Top assignees: Osram Sylvania Inc., Osram Ag, Osram Gesellschaft MIT Beschraenkter Haftung. Active years: 2012-2013.
Company Filing History:
2 out of 1,452 
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Years Active: 2012-2013
Title: Uwe Liess: Innovator in Electronic Ballast Technology
Introduction
Uwe Liess is a notable inventor based in Treviso, Italy, recognized for his contributions to electronic ballast technology. With a total of 4 patents, he has made significant advancements in emergency power supply circuits and lamp detection systems.
Latest Patents
One of Uwe Liess's latest patents is an emergency power supply circuit for dimmable electronic ballasts. This innovative circuit includes an output line to feed a supply input of the ballast, a first line to receive a mains supply signal, and a second line to receive an emergency supply signal from a battery. The design features a converter to boost the emergency supply signal and a switch that connects the output line to either the mains or emergency supply. A controller monitors the mains supply signal and the battery charge level, ensuring a seamless transition to emergency power when needed. Another significant patent is for a ballast with lamp filament detection. This ballast is designed to power gas discharge lamps and includes an inverter, output circuit, and control circuit. The control circuit monitors signals to determine the presence of lamps with intact filaments, allowing for appropriate filament heating and protection against lamp faults.
Career Highlights
Uwe Liess has worked with prominent companies in the lighting industry, including Osram Sylvania Inc. and Osram AG. His experience in these organizations has contributed to his expertise in developing innovative solutions for electronic ballasts.
Collaborations
Throughout his career, Uwe has collaborated with talented professionals such as Naveen Yadlapalli and Bernd Rudolph. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Uwe Liess is a distinguished inventor whose work in electronic ballast technology has made a lasting impact on the industry. His innovative patents and collaborations highlight his commitment to advancing technology in lighting solutions.