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Timeline of communication technology
Timeline
of
communication
technology
Prior to 3500BC - Communication was carried out through paintings of indigenous tribes.
3500s BC
- The
Sumerians
develop
cuneiform
writing and the
Egyptians
develop
hieroglyphic
writing
16th century BC - The
Phoenicians
develop an
alphabet
AD 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
7th century -
Hindu-Malayan empires
write legal documents on
copper
plate
scrolls
, and write other documents on more perishable media
751 - Paper is introduced to the
Muslim world
after the
Battle of Talas
1305 - The Chinese develop wooden block
movable type
printing
1450 -
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
1844 -
Charles Fenerty
produces paper from a wood pulp, eliminating rag paper which was in limited supply
1849 -
Associated Press
organizes
Nova Scotia
pony express to carry latest European news for New York newspapers
1876 -
Alexander Graham Bell
and
Thomas A. 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
1947 -
Douglas H. Ring
and W. Rae Young of
Bell Labs
proposed a cell-based approach which lead to "
cellular phones
"
1949 -
Claude Elwood Shannon
, the "father of
information theory
", mathematically proves the
Nyquist–Shannon sampling theorem
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
1992 - Neil Papworth sends the first SMS (or text message).
1994 -
Internet2
organization created