1. Television

2. Sumary ● What is television? What is television? ● History History ● The development The development ● The color television The color television ● First television First television ● Digitization Digitization

3. What is television? ● Television is a system for transmitting and receiving moving pictures and sound over a distance employing a diffusion mechanism. The transmission can be effected by means of radio waves, television networks, cable television, satellite or IPTV, of which there are open and pay arrangements. The receiver is the TV signals.

4. History ● The concept of television (distance vision) can be traced to Galileo Galilei and his telescope. However, it was not until 1884, with the invention of Paul Nipkow disk Nipkow when a significant progress was made ​​ to create an environment. The change would bring television as we know it was the invention of Vladimir iconoscopio Philo Taylor Farnsworth and Zworkyn. This would lead to the fully electronic television, which had a much better refresh rate, greater image definition and self- enlightenment.

5. The development of television ● Is the late twentieth century when the television becomes a true technological flag countries and each develops their national systems and private TV. In 1953 Eurovision associating several European countries connect their TV systems using microwave links are created. A few years later, in 1960, Mundovisión is created that begins to make links with geostationary satellites covering the whole world.

6. The color television ● In 1928 experiments transmitting color images which also took part Scottish engineer John Logie Baird were developed. In 1940, the Mexican National Polytechnic Institute engineer Guillermo González Camarena developed and patented in both Mexico and the United States, a Trichromatic Field Sequential System. In 1948, the American inventor Peter Goldmark, who worked for Columbia Broadcasting System, based on the ideas of Baird and González Camarena developed a similar system called Sequential System Campos, the company acquired for their television broadcasts.

7. The colour television

8. First Television Channels in the World ● The first television broadcasts were made by the BBC in England in 1927 and CBS and NBC in the United States in 1930.

9. Digitization ● In the late 1980s they began to develop scanning systems. Digitization on TV has two distinct parts. On one side is the digitization of production and on the other the transmission.

10. Group ● Aitana Martos Cortés ● Pepa Gómez Campos ● Ester García Recio