<P> In November 1929, Bernard Natan established France's first television company, Télévision - Baird - Natan . On April 14, 1931, there took place the first transmission with a thirty - line standard by René Barthélemy . On December 6, 1931, Henri de France created the Compagnie Générale de Télévision (CGT). In December 1932, Barthélemy carried out an experimental program in black and white (definition: 60 lines) one hour per week, "Paris Télévision", which gradually became daily from early 1933 . </P> <P> The first official channel of French television appeared on February 13, 1935, the date of the official inauguration of television in France, which was broadcast in 60 lines from 8: 15 to 8: 30 pm . The program showed the actress Béatrice Bretty in the studio of Radio - PTT Vision at 103 rue de Grenelle in Paris . The broadcast had a range of 100 km (62 mi). On November 10, George Mandel, Minister of Posts, inaugurated the first broadcast in 180 lines from the transmitter of the Eiffel Tower . On the 18th, Susy Wincker, the first announcer since the previous June, carried out a demonstration for the press from 5: 30 to 7: 30 pm . Broadcasts became regular from January 4, 1937 from 11: 00 to 11: 30 am and 8: 00 to 8: 30 pm during the week, and from 5: 30 to 7: 30 pm on Sundays . In July 1938, a decree defined for three years a standard of 455 lines VHF (whereas three standards were used for the experiments: 441 lines for Gramont, 450 lines for the Compagnie des Compteurs and 455 for Thomson). In 1939, there were about only 200 to 300 individual television sets, some of which were also available in a few public places . </P> <P> With the entry of France into World War II the same year, broadcasts ceased and the transmitter of the Eiffel Tower was sabotaged . On September 3, 1940, French television was seized by the German occupation forces . A technical agreement was signed by the Compagnie des Compteurs and Telefunken, and a financing agreement for the resuming of the service is signed by German Ministry of Post and Radiodiffusion Nationale (Vichy's radio). On May 7, 1943 at 3: 00 evening broadcasts . The first broadcast of Fernsehsender Paris (Paris Télévision) was transmitted from rue Cognac - Jay . These regular broadcasts (5 ​ ⁄ hours a day) lasted until August 16, 1944 . One thousand 441 - line sets, most of which were installed in soldiers' hospitals, picked up the broadcasts . These Nazi - controlled television broadcasts from the Eiffel Tower in Paris were able to be received on the south coast of England by R.A.F. and BBC engineers, who photographed the station identification image direct from the screen . </P> <P> In 1944, René Barthélemy developed an 819 - line television standard . During the years of occupation, Barthélemy reached 1015 and even 1042 lines . On October 1, 1944, television service resumed after the liberation of Paris . The broadcasts were transmitted from the Cognacq - Jay studios . In October 1945, after repairs, the transmitter of the Eiffel Tower was back in service . On November 20, 1948, François Mitterrand decreed a broadcast standard of 819 lines; broadcasting began at the end of 1949 in this definition . Besides France, this standard was later adopted by Algeria, Monaco, and Morocco . Belgium and Luxembourg used a modified version of this standard with bandwidth narrowed to 7 MHz . </P>

When was the first tv released to the public