History of telecommunications


 






Glossary   Scientists  
History Tlc
History Telegraph
History Telephone
History Radio 
Tv History 
 
By Sergio Arienti ®
Development of electronic technology









 


 




1897
Oscilloscope     Karl Ferdinand Braun




 
Valves termoionic   
1904
Diode J. A. Fleming 




 


1906 
Triode Lee De Forest
 




   
Semiconductors
1947
Transistor William Schokley
John Bardeen
Walter Brattain
 


 
  
Integrated circuits
1958
  Jack Kilbi
 



Robert N. Noyce
 
 
 


PDP (Plasma Display Panels) 
1964

University of Illinois
 
 
  


Microprocessor
1971

Federico Faggin





Marcian Edward Hoff





Stanley Mazor