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Heinrich hertz wireless
Experimented in the 1880’s with sending transmission
The basis of how radio works - he didn’t think it meant much -
Advancing radio communications
Guglielmo Marconi - widely considered the “father” and “inventor” of radio
Pioneered a lot of the general basis of how long-distance radio transmissions work
One of his original inventions was an alarm that would go off when it detected electric waves from lightning
Marconi had a huge breakthrough in 1885 when he discovered he could sent the signal a greater range by raising the height of the antenna
Filed for patent on his first radio apparatus in 1886 -
Nikola Tesla
Nikola Tesla - inventor - develops the Tesla Coil - induction coil widely used in radio
Produce high voltage, low-current, high frequency alternating-current electricity -
First radio advertisement
*1922 - WEAF aired a 10 minute broadcast for an apartment complex charging $50 -
The Golden Era of Radio
The Great Depression and War caused depression in the US
*Radio became an escape for people to be entertained - the family would sit around and listen to the radio together, much like people watch tv today -
Video killed the radio star...
The invention and explosion of TV caused radio to lose audiences and advertising money, so program directors shaped radio into what it is today...MUSIC!!!!
*People could only get music in a few places and radio stations playing it during the day allowed people to listen to it without having to pay complete attention