Telecommunications

Timeline created by Núria Esquius Bau
  • ELECTRIC TELEGRAPH

    ELECTRIC TELEGRAPH
    By Samuel Morse.
    You could emit and recieve messages.
    It used the Morse code.
  • Multiplexing

    It allowed to send several messages at the same time with the use of a single cable
  • FIXED TELEPHONE

    FIXED TELEPHONE
    1860: Antonio Meucci. 1876: Alexander Graham Bell
  • Submarine cable

    It made possible to connect two continents, America and Europe.
  • Magnetic Waves

    Magnetic Waves
    J.C Maxwell proposes the theoretical existence of electromagnetic waves.
  • Magnetic Waves

    H.R Hertz manages to generate electromagnetic waves and detect them in a device located 30 cm from the emitter.
  • Wireless telegraphy

    By Marconi
  • RADIO

    RADIO
    By Fesender
  • Radio marketing

    Commercial broadcasting of radio in the United States and Europe.
  • TELEVISION

    TELEVISION
    First emissions.
  • Television

    Olimpic Games retransmition.
  • Radio

    The use of the transistor made it possible to reduce the size and cost of radio receivers.
  • Television

    600 million people watched the man’s arrival to the moon on television.
  • MOBILE PHONE

    MOBILE PHONE
    By Martin Cooper. First call by a mobile phone
  • Mobile phones marketing

    Mobile phones arrive to Japan and USA
  • Mobile Phones

    Mobile Phones
    More than four billion mobile phones.
  • Period: to

    Television tecnology

    By John L. Braid, Charles F. Jenkins i Vadímir Zworykin