Company Filing History:
Years Active: 1989
Title: Herbert E. Pietsch: Innovator in High Frequency Ballast Technology
Introduction
Herbert E. Pietsch is a notable inventor based in Cookeville, TN (US). He has made significant contributions to the field of electronic circuits, particularly in the area of high frequency ballasts for gaseous discharge lamps. His innovative approach has led to advancements that enhance the efficiency and performance of lighting technologies.
Latest Patents
Herbert E. Pietsch holds a patent for a "High frequency ballast for gaseous discharge lamps." This invention involves an electronic frequency inverter circuit that receives input electrical power at a lower frequency and energizes a load circuit, including gaseous discharge lamps, in a range of higher frequencies. The design features first and second semiconductors that operate alternatively through a logic circuit in current mode control. This allows the switches to function at high frequency ranges, ensuring that the frequency of current in the load circuit varies with the magnitude of the source voltage. The load circuit's impedance changes with frequency, maintaining a constant peak amplitude of load current despite variations in source voltage, thus achieving a desirable crest factor for the lamp current. Additionally, a high current limit circuit is incorporated to rapidly turn off the switches when excessively high current begins to flow.
Career Highlights
Herbert E. Pietsch has had a distinguished career, working with Thomas Industries, Inc. His work has focused on developing innovative electronic solutions that address the challenges faced in lighting technologies. His patent reflects his commitment to improving the efficiency and reliability of gaseous discharge lamps.
Collaborations
Throughout his career, Herbert has collaborated with notable colleagues, including Thomas E. Dean and William H. Henrich. These partnerships have contributed to the advancement of technology in their field.
Conclusion
Herbert E. Pietsch's contributions to high frequency ballast technology demonstrate his innovative spirit and dedication to enhancing electronic circuit design. His patent serves as a testament to his expertise and impact on the industry.