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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]
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.
Edwin Howard Armstrong; This page is a redirect. The following categories are used to track and monitor this redirect: From a less specific name: ...
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 ]
In 1933, FM radio was patented by inventor Edwin H. Armstrong. [74] FM uses frequency modulation of the radio wave to reduce static and interference from electrical equipment and the atmosphere. In 1937, W1XOJ , the first experimental FM radio station after Armstrong's W2XMN in Alpine, New Jersey, was granted a construction permit by the US ...
1915 Armstrong regenerative receiver. The inventor of FM radio, Edwin Armstrong, filed US patent 1113149 in 1913 about regenerative circuit while he was a junior in college. [31] He patented the superregenerative circuit in 1922, and the superheterodyne receiver in 1918.
The Institute of Electrical and Electronics Engineers Communications Society also has an award named after Edwin Armstrong. [2] The award was created in 1958 under the name Achievement Award, and was renamed Edwin Howard Armstrong Achievement Award in 1975. [3] The Radio Club of America also presents an award named after Edwin Armstrong.