| YEAR |
1st-TIME
EVENT |
PERSON |
| 1729 |
Discovery that electricity can
be transmitted |
Stephan Gray |
| 1746 |
Electrometer measuring device
invented |
Gralath |
| 1831 |
Electromechanical generator
invented |
Michael Faraday |
| 1844 |
Telegraph and Morse Code
developed |
Samuel Morse |
| 1847 |
Boolean algebra developed |
George Boole |
| 1858 |
Transatlantic cable laid |
Cyrus Field |
| 1876 |
Bell telephone system
established |
|
| 1895 |
Photographic film developed |
Eastman |
| 1897 |
Ship-to-shore wireless
transmission demonstrated |
Marconi |
| 1900 |
Speech transmitted by wireless
method |
|
| 1901 |
Transatlantic wireless message
Spark-gap transmitter |
|
| 1906 |
Crystal radio detector
invented |
|
| 1915 |
Transatlantic radio telegraphy
message from the United States |
|
| 1917 |
Electric wave filter |
Campbell |
| 1920 |
Commercial radio broadcast (KDKA,
Pittsburgh, PA)
Superheterodyne circuit developed |
Armstrong |
| 1923 |
Iconoscope television camera
tube invented |
Zworykin |
| 1929 |
Kinescope (TV picture tube)
invented |
Zworykin |
| 1930 |
radar system demonstrated |
Blair |
| 1931 |
Oscilloscope invented |
Allen DuMont |
| 1934 |
Telecommunications Act of 1934 |
|
| 1937 |
Klystron tube developed |
|
| 1939 |
Television broadcast by NBC |
|
| 1941 |
FM broadcasting begins in
United States |
|
| 1942 |
Magnetic recording tape
invented
ENIAC electronic computer |
|
| 1948 |
Transistor developed at Bell
Labs |
|
| 1951 |
UNIVAC 1 computer introduced |
|
| 1953 |
Early laser demonstrated |
Zeigler |
| 1955 |
Varactor diode developed |
|
| 1956 |
Electronic movie camera (Bell
and Howell) |
|
| 1957 |
Sputnik satellite launched
(Russian) |
|
| 1958 |
Integrated circuit developed
Stereo broadcasting |
|
| 1962 |
Light-emitting diode (LED)
introduced
Telstar communication satellite |
|
| 1963 |
Commercial mini-computer |
|
| 1966 |
Magnetic bubble memory
developed |
Andrew Bobeck |
| 1970 |
Arpanet introduced (early
version of Internet) |
VP Algore |
| 1971 |
Microprocessor developed
Hand-held calculator introduced |
|
| 1975 |
Home video tape recorder
introduced |
|
| 1977 |
Fiber optic communications for
regular telephone service |
|
| 1996 |
Telecommunications Act of 1996
established |
|
