Claude Boulanger

Title: Claude Boulanger: Innovator in Telecommunications

Introduction

Claude Boulanger is a notable inventor based in Chevilly-Larue, France. He has made significant contributions to the field of telecommunications, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Boulanger's latest patents include a terminal equipment for a multiplex carrier current telephone system. This invention relates to terminal equipment designed for a carrier current multiplex system, featuring a half echo-suppressor and a channel modem. The design incorporates an attenuator positioned in the transmission chain after a first modulation stage, which optimizes the propagation time of the modem's filters to enhance performance. Another significant patent is a frequency-division multiplexer for telephone transmission. This multiplexer effectively couples calling channels containing supervisory information, which are not premodulated, to premodulated conversation channels that carry voice information. The innovation modulates the coupled channels to integrate conversation signals into the multiplex group, utilizing a single extra modulation to accurately reposition the calling signals within the multiplex group.

Career Highlights

Claude Boulanger is associated with Compagnie Industrielle des Télécommunications Cit-Alcatel, where he has contributed to various projects in telecommunications. His work has been instrumental in advancing technologies that improve communication systems.

Collaborations

Boulanger has collaborated with Christian Poinas, a fellow innovator in the field. Their partnership has likely fostered the development of new ideas and technologies within the telecommunications sector.

Conclusion

Claude Boulanger's contributions to telecommunications through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations.