Milestones Of Electronic Communication History PDF
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Uploaded by EngagingConcreteArt
Cavite State University
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Summary
This document details the milestones in the history of electronic communication, including key inventions and developments. It provides a chronological overview of significant events, from the telegraph to the internet and smartphones.
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1/2 FUNDAMENTALS OF ELECTRONIC COMMUNICATION Milestones in the history of electronic communication When? Where or Who? What? 1837 Samuel Morse Invention of the telegraph (patented in 1844). 1843 Alexander Bain Invention of facs...
1/2 FUNDAMENTALS OF ELECTRONIC COMMUNICATION Milestones in the history of electronic communication When? Where or Who? What? 1837 Samuel Morse Invention of the telegraph (patented in 1844). 1843 Alexander Bain Invention of facsimile. 1866 United States and England The first transatlantic telegraph cable laid. 1876 Alexander Bell Invention of the telephone. 1877 Thomas Edison Invention of the phonograph. 1879 George Eastman Invention of photography. 1887 Heinrich Hertz (German) Discovery of radio waves. 1887 Guglielmo Marconi (Italian) Demonstration of “wireless” communications by radio waves. 1901 Marconi (Italian) First transatlantic radio contact made. 1903 John Fleming Invention of the two-electrode vacuum tube rectifier. 1906 Reginald Fessenden (Swedish) Invention of amplitude modulation; first electronic voice communication demonstrated. 1906 Lee de Forest Invention of the triode vacuum tube. 1914 Hiram P. Maxim Founding of American Radio Relay League, the first amateur radio organization. 1920 KDKA Pittsburgh First radio broadcast. 1923 Vladimir Zworykin Invention and demonstration of television. 1933–1939 Edwin Armstrong Invention of the superheterodyne receiver and frequency modulation. 1939 United States First use of two-way radio (walkie-talkies). 1940–1945 Britain, United Invention and perfection of radar States (WW II). 1948 John von Neumann Creation of the first stored program and others electronic digital computer. 1948 Bell Laboratories Invention of transistor (Bardeen, Brattain, Schockley) 1953 RCA/NBC First color TV broadcast. 1958–1959 Jack Kilby Invention of integrated circuits. (Texas Instruments) and Robert Noyce (Fairchild) 1958–1962 United States First communication satellite tested. 1961 United States Citizens band radio first used. 1973–1976 Metcalfe Ethernet and first LANs. 1975 United States First personal computers. 1977 United States First use of fiber-optic cable. 1982 United States TCP/IP protocol adopted. 1982–1990 United States Internet development and i rst use. 1983 United States Cellular telephone networks. 1993 United States First browser Mosaic. 2/2 1995 United States Global Positioning System deployed. 1996–2001 Worldwide First smartphones by BlackBerry, Nokia, Palm. 1997 United States First wireless LANs. 2000 Worldwide Third-generation digital cell phones. 2009 Worldwide First fourth-generation LTE cellular networks. 2009 Worldwide First 100 Gb/s fiber optical networks.
