Communication

communication

By bobbobstar
  • May 20, 700

    Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media

  • May 20, 751

    Paper is introduced to the Muslim world after the Battle of Talas

  • May 20, 1305

    The Chinese develop wooden block movable type printing

  • May 20, 1450

    Johannes Gutenberg finishes a printing press with metal movable type

  • May 20, 1520

    Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags.

  • Claude Chappe establishes the first long- distance semaphore telegraph line

  • Joseph Henry proposes and builds an electric telegraph

  • Samuel Morse develops the Morse code

  • Samuel Morse builds the first long distance electric telegraph line

  • Charles Fenerty produces paper from a wood pulp, eliminating rag paper which was in limited supply

  • Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers

  • Alexander Graham Bell and Thomas A. Watson exhibit an electric telephone in Boston

  • Thomas Edison patents the phonograph

  • Almon Strowger patents the direct dial telephone

  • Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland

  • John Logie Baird transmits the first television signal

  • Hedy Lamarr and George Antheil invent frequency hopping spread spectrum communication technique

  • Douglas H. Ring and W. Rae Young of Bell Labs proposed a cell- based approach which leads to "cellular phones"

  • Claude Elwood Shannon, the "father of information theory", mathematically proves the Nyquist–Shannon sampling theorem

  • Chester Carlson presents the first photocopier suitable for office use

  • First geosynchronous communications satellite is launched, 17 years after Arthur C. Clarke's article

  • Charles Kao realizes that silica- based optical waveguides offer a practical way to transmit light via total internal reflection

  • The first hosts of ARPANET, Internet's ancestor, are connected.

  • Erna Schneider Hoover invented a computerized switching system for telephone traffic.

  • Donald Knuth begins work on TeX

  • Tim Berners- Lee and Robert Cailliau built the prototype system which became the World Wide Web at CERN

  • Anders Olsson transmits solitary waves through an optical fibre with a data rate of 32 billion bits per second

  • Neil Papworth sends the first SMS (or text message).