TF1

TF1 (te ɛf œ̃; standing for Télévision Française 1) is a French commercial television network owned by TF1 Group, controlled by the Bouygues conglomerate. TF1's average market share of 24% makes it the most popular domestic network. TF1 is part of the TF1 Group of mass media companies, which also includes the news channel LCI. It previously owned the satellite TV provider TPS, which was sold to Canal+ Group. The network is a supporter of the Hybrid Broadcast Broadband TV (HBBTV) initiative promoting and establishing an open European standard for hybrid set-top boxes for the reception of terrestrial TV and broadband multimedia applications with a single user interface. It was the only television channel in France for 28 years, and has changed its name numerous times since the creation of Radio-PTT Vision on 26 April 1935, making it one of the oldest television stations in the world, and one of the very few prewar television stations to remain in existence to the present day. It became Radiodiffusion nationale Télévision (RN Télévision) in 1937, Fernsehsender Paris (Paris Television) during German occupation in 1943, RDF Télévision française in 1944, RTF Télévision in 1949, la Première chaîne de la RTF in 1963 following the creation of the second channel, la Première chaîne de l'ORTF in 1964 and finally, Télévision Française 1 (TF1) in 1975. The first public demonstration of a 30-line mechanical television took place on April 14, 1931. The image rendering was an improvement upon Baird's thanks to the development of the "moving light point" system and the use of a camera with Weiller mirror drums by the engineer René Barthélemy, head of the radio laboratory of the Compagnie desmètres (CdC) of Montrouge. In charge of French broadcasting, the PTT administration carried out some rudimentary television experiments from December 1931 by broadcasting experimental 30 to 45 minute broadcasts at variable times from Monday to Saturday with Baird equipment from the medium wave transmitter of Radio PTT.