First ever telephone

Evolution of the Telephone

By veracastillo99

  • First telephone by Alexander Graham Bell

    First telephone by Alexander Graham Bell
    Bell was the first to obtain a patent, in 1876, for an "apparatus for transmitting vocal or other sounds telegraphically". Bellis, M. (n.d.). The History of the Telephone. About.com Inventors. Retrieved October 5, 2014, from http://inventors.about.com/od/bstartinventors/a/telephone.htm

  • First Rotary Dial

    First Rotary Dial
    The modern version of the rotary dial with holes was first introduced in 1904 by Bell System. Rotary dial. (n.d.). Princeton University. Retrieved October 6, 2014, from https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Rotary_dial.html

  • First Pagers and Beepers

    First Pagers and Beepers
    The name pager was first used in 1959 when Motorola made a personal radio communications product Bellis, M. (n.d.). History of Pagers or Beepers - Inventors. About.com Inventors. Retrieved October 6, 2014, from http://inventors.about.com/od/pstartinventions/a/pager.htm

  • The First Mobile Phone

    The First Mobile Phone
    The first hand-held cell phone was brought by John F. Mitchell and Dr. Martin Cooper (Motorola) in 1973, using a handset weighing around 2.2 pounds (1 kg). Strickland, J. (n.d.). Who Invented the Cell Phone?. HowStuffWorks. Retrieved October 3, 2014, from http://science.howstuffworks.com/innovation/inventions/who-invented-the-cell-phone.htm

  • First Smartphones

    First Smartphones
    The IBM Simon went on sale to the public on 16 August 1994 and combined mobile phone technology with a wide range of computing features. World's first 'smartphone' turns 20. (n.d.). BBC News. Retrieved October 6, 2014, from http://www.bbc.com/news/technology-28802053