Who among the following is credited with patenting the FM radio?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Edwin H Armstrong.
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Edwin Howard Armstrong (December 18, 1890–February 1, 1954) was an American inventor and one of the great engineers of the 20th century.
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He is best known for developing the technology for FM (frequency modulation) radio.
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Armstrong won numerous patents for his inventions and was inducted into the National Inventors Hall of Fame in 1980.