Société française radio-électrique
Encyclopedia
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 the Compagnie générale de la télégraphie sans fil, its holding.
Wireless
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...
companies, founded by Émile Girardeau
Emile Girardeau
Émile Girardeau was a French engineer, famous for being the first person to patent the original system of frequencies that is used today and known as the radar...
in 1910. It supported the conception and the production of the Radiola radio receivers
Receiver (radio)
A radio receiver converts signals from a radio antenna to a usable form. It uses electronic filters to separate a wanted radio frequency signal from all other signals, the electronic amplifier increases the level suitable for further processing, and finally recovers the desired information through...
, and the creation of the radio station of the same name
Radiola (radio station)
Radiola was a privately owned French radio station which broadcast under that name from 6 November 1922 until 28 March 1924, to promote the Radiola radio receivers produced by the SFR. It made its first test transmissions on 26 June 1922 and broadcast its first news bulletin on 6 January 1923...
.
It disappeared in 1957 after merging with the Compagnie générale de la télégraphie sans fil, its holding.