Société française radio-électrique [SEP] inception
Société française radio-électrique
The Société française radio-électrique (SFR, "Radiolectric French Company") was one of the first radiotelegraphic companies, founded by Émile Girardeau in 1910. It supported the conception and the production of the Radiola radio receivers, and the creation of the radio station of the same name.
It disappeared in 1957 after merging with Compagnie Générale de Télégraphie Sans Fil, later merged into Thomson-CSF
ferroresonance in electricity networks in a 1907 paper in this journal.
He worked as a consulting engineer with various companies such as the Société Alsacienne de Constructions Mécaniques, to whom he had given his first patent in 1908.
He became interested in the technology of strong electric currents, and later combined weak and strong current technology in his inventions.
Girardeau and Bethenod decided to found a company to meet military and civilian radio communication needs.
They created the Société française radio-électrique (SFR: French Radio Telephone Company