Edwin Armstrong
Edwin Armstrong
Born: 1890Birthplace: New York City
Method of receiving high frequency oscillations—Armstrong devised wide-band frequency modulation (FM radio) as a means of reducing background static. He also invented the regenerative circuit, the superheterodyne, and the super-regenerative circuit. (1980)
Died: 1954Luis Walter Alvarez | The National Inventors Hall of Fame | George H. Babcock |
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