Harald Grellmann

Title: Innovations of Harald Grellmann

Introduction

Harald Grellmann is a notable inventor based in Munich, Germany. He has made significant contributions to the field of electrical engineering, particularly in the area of power supply technology. With a total of 2 patents, his work focuses on enhancing the efficiency and safety of switched mode power supplies.

Latest Patents

Grellmann's latest patents include an "Over-voltage protection circuit for a switched mode power supply." This invention features a protection circuit that is coupled to a comparator of the controller circuit, providing overvoltage protection in case of a failure in the regulation loop. The circuit includes an integrating circuit and a comparing circuit, ensuring immediate shutdown of the controller circuit during a failure.

Another significant patent is the "Circuit arrangement for the operation of a switching transistor." This arrangement consists of a driver stage and a control circuit that shapes the switching voltage, allowing for delayed switching of the transistor. The control circuit includes a control transistor that interacts with the driver stage to manage the operation of a MOSFET used for switching capacitive loads.

Career Highlights

Grellmann is currently associated with Thomson Licensing, where he applies his expertise in developing innovative solutions for power supply systems. His work has been instrumental in advancing technologies that ensure reliable and efficient power management.

Collaborations

Throughout his career, Grellmann has collaborated with notable professionals in the field, including Jean-Paul Louvel and Daniel Lopez. These collaborations have contributed to the development of cutting-edge technologies in electrical engineering.

Conclusion

Harald Grellmann's contributions to the field of electrical engineering through his patents demonstrate his commitment to innovation and safety in power supply technology. His work continues to influence advancements in the industry.