Nikola Tesla. Howard Edwin Armstrong (April 19, 1903 – October 7, 1983) was a public official in Vermont who served as Secretary of State for sixteen years. Did Edwin Howard Armstrong get married? What is marge simpson's catch phrase. He was one of the most prolific inventors of the radio era, with a vision that was ahead of his time.

His main inventions were the regenerative circuit, the super-regenerative circuit, the superheterodyne receiver, and FM radio. He is best known for developing the technology for FM (frequency modulation) radio. American electrical engineer and inventor, who developed FM (frequency modulation) radio and the superheterodyne receiver system.

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Edwin Howard Armstrong. Share. Edwin Howard Armstrong (December 18, 1890–February 1, 1954) was an American inventor and one of the great engineers of the 20th century. Edwin H. Armstrong, in full Edwin Howard Armstrong, (born December 18, 1890, New York, New York, U.S.—died January 31/February 1, 1954, New York City), American inventor who laid the foundation for much of modern radio and electronic circuitry, including the regenerative and superheterodyne circuits and the frequency modulation (FM) system. Early life. Biography.
Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. Unanswered Questions.

Wikipedia. Armstrong won numerous patents for his inventions and was inducted into the National Inventors Hall of Fame in 1980.