Company Filing History:
Years Active: 1988-1992
Title: Thomas E. Dean: Innovator in High Frequency Ballast Technology
Introduction
Thomas E. Dean is a notable inventor based in Cookeville, TN (US), recognized for his contributions to electronic circuit design, particularly in the field of high frequency ballasts for gaseous discharge lamps. With a total of 3 patents to his name, Dean has made significant strides in enhancing the efficiency and functionality of lighting technologies.
Latest Patents
One of Dean's latest patents is focused on a high frequency ballast for gaseous discharge lamps. This innovative electronic circuit is designed to receive input electrical power at a lower frequency and energize a load at a higher frequency. The circuit includes a rectifier that converts the input electrical power and a pre-regulator that adjusts the rectified AC voltage to a suitable source voltage. Additionally, it features a non-resonant inverter that supplies high frequency electrical power to the load, incorporating first and second switches controlled by a logic circuit. This design allows for dynamic adjustments in the frequency of current based on variations in source voltage, load impedance, and set point values. The patent also describes a device for setting the peak amplitude of current in the load, which can be either a replaceable or variable element, enhancing the adaptability of the ballast to different lighting requirements.
Career Highlights
Throughout his career, Thomas E. Dean has been associated with Thomas Industries, Inc., where he has played a pivotal role in developing advanced electronic solutions. His work has not only contributed to the company's reputation but has also pushed the boundaries of what is possible in lighting technology.
Collaborations
Dean has collaborated with notable colleagues such as William H. Henrich and David M. Fischer, contributing to a team that fosters innovation and excellence in their projects.
Conclusion
Thomas E. Dean's work in high frequency ballast technology exemplifies the impact of innovative thinking in the field of electronics. His patents reflect a commitment to improving energy efficiency and performance in lighting systems.