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Edwin Howard Armstrong (December 18, 1890 [2] – February 1, 1954 [3]) was an American electrical engineer and inventor who developed FM (frequency modulation) radio and the superheterodyne receiver system.
The film focused primarily [5] on the three pioneers [6] of radio in America: Lee de Forest, Edwin Howard Armstrong, and David Sarnoff. [7] The program interspersed audio and musical highlights of "old time" radio with the stories, achievements, failures, scams and bitter feuds between each of the main protagonists. [8]
Esther Marion Armstrong was the widow of pioneering radio FM inventor Edwin Howard Armstrong. She is notable for continuing — and winning — her husband's patent lawsuits against some of America's largest electronics manufacturers after his suicide. [ 1 ]
ISBN 0-8129-0672-1 (cloth) – A thoughtful biography by an early associate of Sarnoff's. Lewis, Tom. (1991). Empire of the Air: The Men Who Made Radio. New York: HarperCollins ISBN 978-0-06-018215-1 (cloth) ISBN 978-0-06-098119-8 – Profiles Sarnoff's life along with those of Edwin Armstrong and Lee De Forest, drawing on archival sources.
Edwin Armstrong and David Sarnoff tested and perfected the regenerative circuit at the Belmar site, on the night of 31 January/1 February 1914. Albert Hoyt Taylor, who later made important contributions toward the development of radar, was Communication Superintendent at the station during World War I. The station was closed in 1924, after ...
It was constructed beginning in 1936 by Edwin Howard Armstrong in order to promote his invention of wide-band FM broadcasting. W2XMN was the first FM station to begin regular operations, and was used to introduce FM broadcasting to the general public in the New York City area.
According to Carrie Miller with the Anderson County Sheriff's Office, detectives with the ACSO charged Edwin Brainerd Jr., 79, of Anderson, with murder and possession of a weapon during a violent ...
On January 5, 1940, Armstrong, working with the Yankee Network, demonstrated FM broadcasting in a long-distance relay network, via five stations in five states. [ 5 ] In May 1940, largely as the result of Armstrong's efforts, the FCC decided to eliminate the Apex band, and authorized an FM band effective January 1, 1941, operating on 40 ...