John Henry Covington

Title: **John Henry Covington: Innovator in Power Conversion Technology**

Introduction

John Henry Covington, an accomplished inventor based in Carrollton, TX (US), has made significant contributions to the field of power conversion technology. With a remarkable portfolio of four patents, Covington has been instrumental in pioneering innovations that enhance efficiency and reliability in lighting equipment.

Latest Patents

Covington's latest inventions highlight his expertise in developing advanced power systems. His first patent, the **Universal Power Module**, features a switch-mode power converter that utilizes a digital signal processor (DSP) to control the operation of power semiconductors. This technology optimizes the management of currents, voltages, and timings within power circuits, ultimately reducing the size, cost, and weight of circuitry required for stage lighting equipment. The DSP's capabilities also allow for multiple operating modes tailored to various lighting loads, thereby enhancing reliability through reduced circuit complexity.

Another notable invention is the **Techniques for Controlling Remote Lamp Loads**. This innovation addresses the challenge of energizing remote lamp loads that experience variable transmission losses. Covington's design incorporates a regulated current supply system that delivers consistent power to varying lamp types, employing a combination of a full-wave rectifier and a switching regulator controlled by a feedback loop. This method ensures a high power factor and provides self-quenching characteristics during circuit interruptions.

Career Highlights

John Henry Covington currently contributes his expertise at Vari-Lite, Inc., a company recognized for its pioneering work in lighting technology. His role at Vari-Lite has allowed him to translate his inventive concepts into practical applications that benefit the industry.

Collaborations

Covington has collaborated with several talented professionals who enhance the innovation landscape at Vari-Lite. Notable coworkers include James M. Bornhorst and Randall D. Garrett, who have worked alongside him in the development of cutting-edge lighting solutions.

Conclusion

John Henry Covington stands out as a key figure in the realm of power conversion technology. His patents, particularly in the areas of universal power modules and remote lamp load control, reflect a deep understanding of both engineering principles and practical application. As he continues to explore new innovations, Covington's work contributes significantly to advancing the efficiency and functionality of modern lighting systems.