12 Interesting facts about television - Page 6 of 8

Television became available in crude experimental forms in the late 1920s, but it would still be several years before the new technology would be marketed to consumers.

Development of television was interrupted by the Second World War. After the end of the war, all-electronic methods of scanning and displaying images became standard. Several different standards for addition of color to transmitted images were developed with different regions using technically incompatible signal standards.