Jeumont Schneider Corporation

Francois M Boullier

Jean A Picandet

Roger G Velu

A telephone junctor for interconnecting an electromechanical and an electronic automatic exchange, the latter using tone signaling and capable of operating in time-division-multiplex. The junctor permits direct inward dialing of a subscriber on the electromechanical exchange by a subscriber of the electronic exchange.

Telephone connector

A d.c. power supply circuit for a telephone line which utilizes transistor circuits having an active reactance to replace the telephone transformer. The transistor circuits each transform a capacitor into an effectively inductive reactance, thus resulting in a cost and space savings.

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Saint-Ouen, France

Francois M Boullier