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History of Communications
• The Phoenicians develop an alphabet.
• The Sumerians develop cuneiform writing - pictographs of accounts written on clay tablets.
• The Egyptians develop hieroglyphic writing
3500 BC to2900 BC
History of Communications
• Greeks use a phonetic alphabet written from left to right.
• Oldest record of writing in China on bones.
• The first encyclopedia is written in Syria.
1775 BC
1400 BC
1270 BC
History of Communications
• The very first postal service - for government use in China.
• First recorded use of homing pigeons to send messages - Announcing the winner of the Olympic Games to the Athenians.
900 BC
776 BC
History of Communications
• The Greeks start the very first library.
• Papyrus rolls and early parchments made of dried reeds - first portable and light writing surfaces.
• Tsai Lun of China invents paper as we know it.
530 BC
500 BC to 170 BC
105 BC
History of Communications
• Human messengers on foot or horseback common in Egypt and China with messenger relay stations built along the route.
• Sometimes fire messages used from relay station to station instead of humans.
200 to 100 BC
History of Communications
• Romans establish postal services.
• Heliographs - mirrors first used to send messages by Roman Emperor Tiberius.
• First bound books.
14 AD
37 AD
100 AD
History of Communications
• First wooden printing presses invented in China - symbols carved on a wooden block.
• Movable type (made of clay) invented in China by Pi Sheng
• First bound books.
• Newspapers appear in Europe.
305 AD
1049 AD
1450 AD
History of Communications
• Johannes Gutenberg invents a printing press with metal movable type.
• Camera Obscura invented - primitive image making.
• Leipzig German merchant and printer, Timotheus Ritzsch, prints first daily newspaper.
1455
1560
1650
History of Communications
• Englishmen, Henry Mill receives the first patent for a typewriter.
• Claude Chappe invents the first long-distance semaphore telegraph line.
• Joseph Niépce achieves the first photographic image.
1714
1793
1814
History of Communications
• Charles Wheatstone reproduces sound in a primitive sound box - the first speaker.
• Joseph Henry invents the first electric telegraph.
• Samuel Morse invents Morse code.
1821
1831
1835
History of Communications
• Samuel Morse creates the first long distance electric telegraph line.
• Alexander Bain patents the first fax machine.
• United States starts the Pony Express for mail delivery.
1843
1861
History of Communications
• Coleman Sellers invents the Kinematoscope - a machine that flashed a series of still photographs onto a screen.
• Christopher Shoales creates the first successful modern typewriter.
1861
1867
History of Communications
• Thomas Edison patents the mimeograph - an office copying machine.
• Alexander Graham Bell patents the electric telephone.
• Melvyl Dewey writes the Dewey Decimal System for ordering library books.
1876
History of Communications
• Thomas Edison patents the phonograph - with a wax cylinder as recording medium.
• Eadweard Muybridge invents high speed photography - creating first moving pictures that captured motion.
1877
History of Communications
• Emile Berliner invents the gramophone - a system of recording which could be used over and over again.
• George Eastman patents Kodak roll film camera.
• Almon Strowger patents the direct dial telephone.
1887
1889
History of Communications
• Guglielmo Marconi improves wireless telegraphy.
• First telephone answering machines appear.
• Valdemar Poulsen invents the first magnetic recording device using magnetized steel tape.
• Loudspeakers invented.
1894
1899
History of Communications
• Marconi transmits radio signals from Cornwall to Newfoundland - the first radio signal to cross the Atlantic Ocean
• First regular comic books.
• Lee Deforest invents an electronic amplifying tube improving radios and telephones
1902
1904
History of Communications
• Thomas Edison demonstrates the first talking motion picture. It will be 17 years until “talkies”
• First cross country telephone call made.
• First radios with tuners begin to broadcast different stations
1910
1914
1916
History of Communications
• The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin - first television camera.
• John Logie Baird transmits the first experimental television signal.
1923
1925
History of Communications
• Warner Brothers Studios invents a way to record sound separately from the film on large disks and to synchronize the sound and motion picture tracks upon playback - an improvement on Thomas Edison's work.
1926
History of Communications
• NBC starts two radio networks.
• CBS founded.
• First television broadcast in England.
• Warner Brothers releases “The Jazz Singer” the first successful talking motion picture.
1927
History of Communications
• Radio popularity spreads with the "Golden Age" of radio.
• First television broadcasts in the United States.
• Movietone system of recording film sound on an audio track right on the film invented.
1930
History of Communications
• Joseph Begun invents the first magnetic tape recorder for recording location audio.
• Television broadcasts are now able to be taped and edited - rather than only live or on film.
• Scheduled regular television broadcasts begin.
1934
1938
1939
History of Communications
• Computers like Harvard's Mark I put into public service - the age of Information Science begins
• Long playing record invented - vinyl and played at 33 rpm.
• Transistor invented - enabling the miniaturization of electronic devices.
1944
1948
History of Communications
• Network television starts in U.S. and NBC is the First Network
• 45 rpm record invented
• Computers are first sold commercially.
• Chester Carlson invents the photocopier or Xerox machine.
1949
1951
1958
History of Communications
• Integrated Circuit invented enabling the further miniaturization of electronic devices and computers.
• Zip codes invented in the US
• Xerox invents the Telecopier - the first successful fax machine.
1958
1963
1966
History of Communications
• ARPANET - the first Internet -started by MIT.
• The floppy disc is invented.
• The microprocessor is invented - called a “computer on a chip”
• HBO invents pay-TV service for cable.
1969
1971
1972
History of Communications
• First Apple home computer invented.
• First nationwide programming via satellite - implemented by Ted Turner.
• First cellular phone communi-cation network started in Japan.
1976
1979
History of Communications
• Sony Walkman invented.
• First IBM PC sold.
• First laptop computers sold to public.
• Computer mouse becomes regular part of computer.
1980
1981
History of Communications
• Time magazines names the computer as "Man of the Year."
• First cellular phone network started in the United States.
• Apple Macintosh released.
• IBM PC AT released.
1983
1984
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