Search Results for: Radio broadcast receivers without an external power source
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, and fm radio. unfortunately, his life was
marred by bitter lawsuits over patent rights with other inventors, particularly lee de forest , and, eventually, with radio corporation of america (rca), the broadcasting company that once paid for his inventions. he ended his life by committing suicide. [ ] contents overview of his life fm radio honors...
https://www.newworldencyclopedia.org/entry/Edwin_Howard_Armstrong