Location History:
- Munich, DE (1986 - 1991)
- Augsburg, DE (1994)
Company Filing History:
2 out of 391 
1 out of 1 
1 out of 66 Years Active: 1986-1994
Title: Ulrich Roll: Innovator in Fluorescent Lamp Technology
Introduction
Ulrich Roll, an accomplished inventor based in Munich, Germany, has made significant contributions to the field of electrical engineering, particularly in the innovation of fluorescent lamp operating circuits. With a total of four patents to his name, Roll's work exemplifies the intersection of creativity and technology.
Latest Patents
Among Ulrich Roll's latest patents are designs aimed at improving the efficiency and operation of fluorescent lamps. His notable patent, titled "Transformerless fluorescent lamp operating circuit," focuses on eliminating the need for a saturated or air gap inductance to provide feedback circuits for self-exciting oscillators. This design employs two active electronic switches, such as MOSFETs, and incorporates an auxiliary winding that is inductively coupled to the resonance inductance within the circuit. Furthermore, the pulse shaping and phase shifting network created in his designs enhances the switching performance of the active semiconductor switches. Another significant invention is the "Fluorescent lamp high frequency operating circuit," which addresses the need for enhanced starting voltages for fluorescent lamps functioning from standard power networks.
Career Highlights
Throughout his career, Ulrich Roll has demonstrated a commitment to innovation, especially in his role at well-regarded organizations. He worked with the Patent Treuhand Gesellschaft für Elektrische Glühlampen mbH and Patent-Treuhand Gesellschaft mbH, where he contributed to the development and application of cutting-edge technologies that impact fluorescent lamp operations.
Collaborations
Roll's journey in the field of innovation has also seen him collaborate with esteemed professionals such as Hans-Jürgen Fahnrich and Eugen Statnic. These collaborations have undoubtedly added to the richness of his inventions and have fostered a creative environment that nurtures groundbreaking ideas.
Conclusion
Ulrich Roll's work stands as a testament to the advancements in electrical engineering, particularly regarding fluorescent lighting technology. His inventive spirit and dedication to developing practical solutions have not only led to valuable patents but have also influenced how fluorescent lamps are utilized today. As the demand for energy-efficient lighting solutions continues to rise, Roll's innovations will remain significant to future technological developments in the industry.