Christian Yves Tournier

Title: Christian Yves Tournier: A Pioneer in Space-Division Switching Networks

Introduction

Christian Yves Tournier is a notable inventor based in Paris, France, known for his significant contributions to the field of telecommunications. With a total of two patents to his name, Tournier has played a crucial role in advancing technology related to switching networks.

Latest Patents

Tournier's latest patents reflect his expertise in control systems and electronic exchanges. The first patent, titled "Control system and process for a space-division switching network," introduces innovative controls for a space-division switching network featuring relay crosspoint matrices. Each matrix consists of crosspoints equipped with four switching coils or windings. The system operates by switching a crosspoint relay when two pairs of pulses are simultaneously applied to each winding. The selection unit for controlling rows and columns includes thyristors, strategically placed at both ends, facilitating pairing with other planes in the stage.

The second patent, "Scanning and distributing system for large centrally controlled exchanges," presents a scanner-distributor designed for significant electronic space-division exchanges. It operates from a logical address to efficiently scan multiple junctors. The innovative converter translates the logical address into a 1-out-of-x code, followed by a distribution frame that converts this code into a physical address. This system allows for expansion within the exchange without disrupting existing logic addresses or the wiring in the distribution frame.

Career Highlights

Christian Yves Tournier has made his mark working for the International Standard Electric Corporation, where his innovations have had a lasting impact on telecommunications. His dedication to research and development has positioned him as a key figure in creating advanced communication technologies.

Collaborations

Throughout his career, Tournier has collaborated with esteemed colleagues, including Jean Bernard Kerihuel and Bernadette M Depouilly. These collaborations have fostered an environment of innovation and creativity, further enhancing Tournier’s contributions to the field.

Conclusion

Christian Yves Tournier exemplifies the spirit of innovation in telecommunications. His patents demonstrate a clear commitment to improving communication technologies, making him a significant figure in the industry. Through his work at the International Standard Electric Corporation and collaboration with talented peers, Tournier continues to pave the way for future advancements in space-division switching networks.