Edwin Armstrong

Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. He received an undergraduate degree in electrical engineering from Columbia University.

External links

• Katzdorn, Mike, "Edwin H. Armstrong"
• Lewis, Tom, Empire of the Air, The men who made radio, isbn 0-06-098119-9 HarperPerennial, 1993.
• Halper, Donna, "Major Edwin Howard Armstrong" (Barry Mishkind website)
• Ammon, Richard T., "The Rolls Royce Of Reception : Super Heterodynes - 1918 to 1930".
• IEEE History Center's Edwin H. Armstrong : Excerpt from "The Legacy of Edwin Howard Armstrong," by J. E. Brittain Proceedings of the IEEE, vol. 79, no. 2, February 1991
• Lessig, Larry. "Free Culture: How Big Media Uses Technology and the Law to Lock Down Culture and Control Creativity." New York: Penguin Press. 2004. pdf of the book pp. 3-6.
• Hong, Sungook, "A History of the Regeneration Circuit: From Invention to Patent Litigation" University, Seoul, Korea (PDF)
• Who Invented the Superhetrodyne? The history of the invention of the superhetrodyne receiver and related patent disputes

Patent

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• {{US patent|1113149}} : "Wireless receiving system"
• {{US patent|1342885}} : "Method of receiving high frequency oscillation"
• {{US patent|1424065}} : "Signalling system"
• {{US patent|1941066}} : "Radio signalling system"