Timeline of communication technology
Encyclopedia : T : TI : TIM : Timeline of communication technology
Timeline of communication technology
- 3500s BC - The Sumerians develop cuneiform writing and the Egyptians develop hieroglyphic writing
- 1500s BC - The Phoenicians develop an alphabet
- 26-37 - Roman Emperor Tiberius rules the empire from island of Capri by signaling messages with metal mirrors to reflect the sun
- 105 - Tsai Lun invents paper
- 600s - Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media
- 1450 - The Chinese develop wooden block movable type printing
- 1454 - Johannes Gutenberg finishes a printing press with metal movable type
- 1520 - Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags.
- 1793 - Claude Chappe establishes the first long-distance semaphore telegraph line
- 1831 - Joseph Henry proposes and builds an electric telegraph
- 1835 - Samuel Morse develops the Morse code
- 1843 - Samuel Morse builds the first long distance electric telegraph line
- 1849 - Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers
- 1876 - Alexander Graham Bell and Thomas Watson exhibit an electric telephone in Boston
- 1877 - Thomas Edison patents the phonograph
- 1889 - Almon Strowger patents the direct dial telephone
- 1901 - Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland
- 1925 - John Logie Baird transmits the first television signal
- 1942 - Hedy Lamarr and George Antheil invent frequency hopping spread spectrum communication technique
- 1958 - Chester Carlson presents the first photocopier suitable for office use
- 1963 - First geosynchronous communications satellite is launched, 17 years after Arthur C. Clarke's article
- 1966 - Charles Kao realizes that silica-based optical waveguides offer a practical way to transmit light via total internal reflection
- 1969 - The first hosts of ARPANET, Internet's ancestor, are connected.
- 1971 - Erna Schneider Hoover invented a computerized switching system for telephone traffic.
- 1977 - Donald Knuth begins work on TeX
- 1989 - Tim Berners-Lee and Robert Cailliau built the prototype system which became the World Wide Web at CERN
- 1991 - Anders Olsson transmits solitary waves through an optical fiber with a data rate of 32 billion bits per second
From Wikipedia, the Free Encyclopedia. Original article here. Support Wikipedia by contributing or donating.
All text is available under the terms of the GNU Free Documentation License See Wikipedia Copyrights for details.