Romain Launois

Title: Romain Launois: Innovator in Voltage Conversion Technology

Introduction

Romain Launois is a notable inventor based in Tours, France. He has made significant contributions to the field of electrical engineering, particularly in voltage conversion technology. With a total of 7 patents to his name, Launois has demonstrated a commitment to innovation and advancement in his field.

Latest Patents

One of Launois's latest patents is a voltage converter that includes input nodes configured to receive an input voltage and output nodes designed to deliver an output voltage. This invention features a rectifying bridge coupled between the input and output nodes, along with a capacitor and a resistor series-coupled between the output nodes. A thyristor is also included, which allows the flow of positive current from the resistor to one of the output nodes. The control input is designed to receive a control signal that biases the gate of the thyristor, thereby controlling the current flow. Additionally, a transient voltage suppressor circuit is coupled to the gate of the thyristor, activating it upon exceeding a threshold voltage.

Another significant patent involves a commutation assistance system that controls the shape of the current wave in a bidirectional totem pole converter. This system includes a high-frequency branch with transistors and a low-frequency branch with thyristors, designed to modify an AC signal at the input terminals. The control circuit generates gate drive signals for the transistors, ensuring that the AC current falls below the holding current of the second thyristor prior to the zero crossing of the AC voltage.

Career Highlights

Romain Launois has worked with prominent companies in the industry, including STMicroelectronics in Tours and STMicroelectronics International N.V. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Launois has collaborated with talented individuals such as Yannick Hague and Guillaume Thiennot. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Romain Launois is a distinguished inventor whose work in voltage conversion technology has made a significant impact in the field of electrical engineering. His innovative patents and collaborations highlight his dedication to advancing technology and improving electrical systems.