-
Heinrich Hertz's Discovery
Hertz detects and produces radio waves. -
Marchese Guglielmo Marconi
This scientist starts to build the very first radio. -
Period: to
Radios Improved with the Invention of Diode and Triode Vaccuum Tubes
-
1910 Radio
-
Period: to
Radios are being manufactured and distributed throughout North America
Final touches are being applied. Tested out to make sure that the radios are working properly. -
Period: to
Golden Age of Radio
-
Radio Commercials
Advirtisements from department stores became popular. -
Edwin Armstrong's Patent
Edwin invented Frequency Modulation. -
Period: to
FM radio usage in North America
-
Invention of the Radio Transistor
Helpful to Americans as they had more freedom to listen to the radio. -
Period: to
Radio Struggles
-
Influence Young People
Start playing hit songs from famous people such as Elvis Presley. -
FM Radio Makes a Comeback
Young listeners love the new music. Much better than AM radio. -
Period: to
Radio Industires are Making a lot of Money.
Every ethnic group in America have a radio station to listen to. Radio stations are booming. -
Period: to
AM Versus FM
Music stations left the AM radio for FM. AM was and stiil known as the talk radio, news, sports, etc. -
Radio Sound Quality
Radios sound continues to become clearer and more enjoyable to listen to. -
Today's Radio
Radios are a part of everyday life. They can be found in many different shapes and sizes. -
Future Radio
They can produce high quality sound like that found on a CD. Digital radios can be programmed for specific stations, types of music, news, etc. Eventually, radios will have mini-computers built in to process sounds in numerical patterns "digits" rather than waveform. This will allow listeners to program their radios for favorite radio stations, music type, traffic information, and much more
