Robert J Froelich

Title: Innovations of Robert J Froelich

Introduction

Robert J Froelich is an accomplished inventor based in Concord, CA (US). He has made significant contributions to the field of electrical engineering, particularly in the area of gate drivers for thyristors. His innovative work has led to the development of a patented technology that enhances the performance of switching devices.

Latest Patents

Robert J Froelich holds a patent for a "Current sourced gate driver for fast thyristors." This patent describes circuits and methods for providing gate drive to a gate terminal of a first switching device. The circuit includes a transformer with a core, a primary winding, and at least one secondary winding. The primary winding is coupled to a power source, while the secondary winding connects to the gate terminal of the first switching device. A second switching device is connected in series with the primary winding, controlling the conduction of current and enabling energy storage in the transformer core. This innovative design generates a current pulse in the secondary winding, effectively driving the gate terminal of the first switching device.

Career Highlights

Robert J Froelich is currently employed at Siemens Medical Systems, Inc., where he continues to apply his expertise in electrical engineering. His work at Siemens has allowed him to collaborate with other talented professionals in the field, further advancing the technology related to switching devices.

Collaborations

One of his notable coworkers is Michael J Marziale, with whom he has likely shared insights and expertise in their respective projects.

Conclusion

Robert J Froelich's contributions to the field of electrical engineering, particularly through his patented innovations, demonstrate his commitment to advancing technology. His work at Siemens Medical Systems, Inc. continues to impact the industry positively.