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Transcript

  • 1. Television Jardo Annus
  • 2. The history of television
    • The word “television” was first used at World’s Fair in 1900 in Paris by Constantin Perskyi.
  • 3. “ Television” comes from 2 words
    • The greek word “tele” means “far”.
    • Latin word “vision” means “to see”.
  • 4. Paul Gottlieb Nipkow
    • In 1884 sent images through wires with the help of rotating metal disk.
  • 5. Charles Francis Jenkins
    • By 1920, Jenkins had developed a device known as the prismatic rings, which was the main aspect of his Radiovisor television kits.
  • 6. John Logie Baird
    • He was the first person to succeed in transmitting live images on TV.
  • 7. Alan A. Campbell-Swinton
    • The first man to envision a completely electronic television system.
  • 8. First electronic television
    • Philo T. Fransworth invented the first completely electronic television.
    • Vladimir K. Zworykin invented iconoscope (1923) and kinescope (1929).
  • 9. Colour television
    • First broadcast on 25-th June 1951 on CBS.
    • In 1977 75% of homes in United States were able to recive colour.
  • 10. 1 416 338 245 TV sets  
    • In Estonia there are 605 000 TVs. That means 453.863 per 1000 people.
  • 11. Sources
    • www.wikipedia.org
    • http://www.thehistoryoftelevision.com
    • http://www.history-timelines.org.uk/events-timelines/08-television-invention-timeline.htm
    • http://library.thinkquest.org/04oct/00451/television.htm
    • http ://www.nationmaster.com/graph/med_tel-media-televisions
  • 12. Thank you for listening!