It is undeniable that since its invention, the communication device has been gaining relevance that few would have imagined. This technology allowed transmit images in real time for millions of people and their permanence as one of the mainstream media is that it has been innovating and adapting to the progress made by mankind.
Beyond representing in science creation, television is a fundamental part of society worldwide, because we want or not, educates and informs, and transmitting images have great influence among the people, and in many cases, television becomes the only means by which have to be aware of what is happening outside their communities.
International Telecommunication Union (ITU) has announced that more than 55% of TV households now receive a digital signal; TV mentions that the Internet is increasingly popular, which together with the diversification of supply across multiple platforms makes the TV remains valuable to inform and educate large segments of the population average.
Such is the importance of United Nations , in 1996 he declared November 21 as World Television Day , with the aim of promoting exchanges focusing on peace, security, economic, social and cultural development.
That is why programs De10.mx We have given the task of researching the first channels and TV channels that existed, those who were pioneers in this field and which are still in force.
According to the own BBC (British Broadcasting Corporation ) was the November 2, 1936 he performed and was the first public broadcast of regular television in the world. The study and transmission tower were installed in the Alexandra Palace in north London, and the first signals only reach about 20 thousand households, whose inhabitants enjoyed, for example, the coronation of King George VI.
The steps of United Kingdom were followed by the United States, being the second country to perform transmission in an open channel through the television NBC (National Broadcasting Company ), the first to launch regular air transmissions, and live coverage of the opening of the 1939 World’s Fair in New York.
But World War II caused the transmissions stop until 1946, when the BBC started again with its programming. While US television began to popularize a large scale, by 1949, 4.2 million households already had a TV in their room
In our northern neighbor three commercial transmission chains positioned. The NBC, CBS (the second largest chain in the world after BBC) and ABC, which began as a broadcaster in 1943.
In Mexico was the engineer Guillermo Gonzalez Camarena who began experimenting with television in 1932, but it was until 1939 that shocked the world by creating the system to transmit color, which he patented in 1940.
With all the tools, Camarena made the first television broadcasts in the Alameda theater and got its own channel, Channel 5, in 1945. The commercial television in Mexico began formally with the rise of the company Telesistema Mexicano, which later became Satellite Television SA Televisa or, as we now know it, and that began with the channels 2 and 4, and then have the channel 9 and 5.
Sources: bbc.com, fayerwayer.com, saberia.com and ehowenespanol
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