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History of Communication

Satisfactory Essays

3500 BC The Phoenicians develop an alphabet. to 2900 BC The Sumerians develop cuneiform writing - pictographs of accounts written on clay tablets. The Egyptians develop hieroglyphic writing. 1775 BC Greeks use a phonetic alphabet written from left to right. 1400 BC Oldest record of writing in China on bones. 1270 BC The first encyclopedia is written in Syria. 900 BC The very first postal service - for government use in China. 776 BC First recorded use of homing pigeons used to send message - the winner of the Olympic Games to the Athenians. 530 BC The Greeks start the very first library. 500 BC Papyrus rolls and early parchments made of dried reeds - first portable and light writing surfaces. to 170 BC 200 BC Human …show more content…

1904 First regular comic books. 1906 Lee Deforest invents the electronic amplifying tube or triode - this allowed all electronic signals to be amplified improving all electronic communications i.e. telephones and radios. 1910 Thomas Edison demonstrated the first talking motion picture. 1914 First cross continental telephone call made. 1916 First radios with tuners - different stations. 1923 The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin - first television camera. 1925 John Logie Baird transmits the first experimental television signal. 1926 Warner Brothers Studios invented a way to record sound separately from the film on large disks and synchronized the sound and motion picture tracks upon playback - an improvement on Thomas Edison's work. 1927 NBC starts two radio networks. CBS founded. First television broadcasts in England. Warner Brothers releases "The Jazz Singer" the first successful talking motion picture. 1930 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. 1934 Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording. 1938 Television broadcasts able to be taped and edited - rather than only live. 1939 Scheduled television broadcasts begin. 1944 Computers like Harvard's

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