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Q.

Who invented radio

Tags: radio
Asked by masterblaster, 29 Apr '07 06:37 pm
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Answers (5)

1.

Marcony
Answered by sangeetha perumal, 29 Apr '07 06:38 pm

 
  
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2.

Marcony
Answered by GOPI KUMAR, 29 Apr '07 07:26 pm

 
  
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3.

The identity of the original inventor of radio, at the time called wireless telegraphy, is contentious. Development from a laboratory demonstration to commercial utility spanned several decades and required the efforts of many practitioners. The controversy over who invented the radio, with the benefit of hindsight, can be broken down as follows:

* In 1878, David E. Hughes transmitted Morse code by radio at and below the Super low frequency range (via a clockwork transmitter).

* In 1888, Heinrich Hertz produced and measured the Ultra High Frequency range (via a sparkgap transmitter).

* In 1891, Nikola Tesla began wireless research. He developed means to reliably produce radio frequencies, publicly demonstrated the principles of radio, and transmitted long-distance signals. He obtained a U.S. patent for the invention of the radio, as defined as "wireless transmission of data."

* Between 1893 and 1894, Roberto Landell de Moura, a Brazilian priest and scientist, cond ...more
Answered by Ashish jain, 29 Apr '07 06:39 pm

 
  
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4.

Marconi got the recognition.
Answered by Krishnachandra Kolambkar, 29 Apr '07 11:41 pm

 
  
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5.

Marconi
Answered by rahul raizada, 29 Apr '07 06:58 pm

 
  
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