Search Results for: Receiver tubes
howard armstrong (december , – january , ) was an american electrical engineer and inventor. 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
worked as secretary of david sarnoff , president of rca, but the couple did not have any children. armstrong invented the regenerative circuit (patented in ) while he was a junior in college at columbia university, new york city, the super-regenerative circuit (patented ), and the superheterodyne receiver...
https://www.newworldencyclopedia.org/entry/Edwin_Howard_Armstrong