TELECOMMUNICATIONS

By xeniamorenor

  • Electric telegraph

    Samuel Morse

  • Multiplexing

  • Telephone

    Meucci

  • Transcontinental telegraph

  • Submarine cable

  • Discovery of radio

    J. C. Maxwell

  • Telephone patent

    Alexander Graham Bell

  • Generation of electromagnetic waves and detection in a device at 30 cm

    H. R. Hertz

  • Wireless telegraphy

    Marconi

  • First long distance wireless message

    Marconi

  • Sound transmission

    R. Fessenden

  • Commercial emission

  • First broadcast of the Olympics

  • Period: to

    Popularization of television

  • People witnessing the arrival of the moon through television

  • First cell phone call

  • First commercial mobile phones

  • First mobile phones of small dimensions and low price

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