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Assignment 11 - Creative Assignment: Technology Timeline

By Martí Fontanet

  • Mechanical acoustic devices

    Mechanical acoustic devices
    In the 19th century existed very simple mechanical acoustic devices that could transport voice over distance.

  • First transmitter and receiver design.

    First transmitter and receiver design.
    Charles Bourseul publishes a design of a make-and-break telephone transmitter and receive draft, but he dind't construct the invention.

  • Johann Philipp Reis

    Johann Philipp Reis
    Johann Philipp Reis constructed the telephone design of Charles Bourseul and demonstrated that it worked

  • Thomas Edison

    Thomas Edison
    Thomas Edison experiments with acoustic telegraphy. In November he built an electro-dynamic receiver.