 | TF1 (section Radio-PTT Vision (1935–1937)) frequency within a radius of 100 km. Radiovision-PTT, the first French television channel, had just been born. Radio-PTT Vision began operations on 26 April... 40 KB (4,947 words) - 15:48, 27 April 2024 |
April 12–28, 1940 Electronic television 441 lines / 21 to 42 frame/s. Radiovision PTT (1935) later Paris Television (1943) then RTF (1946) (Eiffel Tower)... 16 KB (388 words) - 02:44, 11 February 2024 |
 | 30 lines, developed in the Compagnie des Compteurs laboratory. This "radiovision" experience is the first from a radio transmitter (located 2 kilometers... 11 KB (1,205 words) - 23:24, 11 March 2024 |