Armstrong Perfects FM Radio
At a glance:
- Series: Great Events from History II: Science and Technology Series
- Categories: Science, Technology, Inventions
- Subcategories: Entertainment, Entertainers, Scientists, Inventors, Television, Radio, Broadcasting, Communications
- Curriculum: American History 1901-1950
- Geographical Location: New York City
- Date: 1930-1935
Article abstract: During the early 1930’s, Armstrong invented frequency modulated radio broadcasting, but would neither receive credit nor see it innovated in his lifetime.
Summary of Event
Because the original radio broadcasts used amplitude modulation (AM) to transmit their sounds, they were subject to a sizable amount of interference and static. Since amplitude modulation relies on the amount of energy transmitted, energy sources in the atmosphere between the station and the receiver can distort or weaken the original signal. This is particularly...
[The entire page is 2204 words long]
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