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Period: to
Telephone
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Electrical Generators Are Invented
Source
Joseph Henry Invented the electrical generator. However, this was acreddited to Michal Farday. -
Proof of Radiowaves
Source Joseph Henry rang a bell from across a room without wires. This proved the existence of raidio waves. -
Birth of the Telephone
Source Alexader Bell made the first telephone call to another room in his house. He said,"Mr.Waton! Come here! I want you!" This was the first phone call -
Invention of Touch Tone Telephone
Source Bell telephone company invented touch tone telephone. This greatly increased the speed of dialing. -
First Transcontinental Telephone Call
Source The first transcontinental telephone call was achived by AT&T. It was made across the Panama Canal. -
Fax is Invented
Source The first fax was sent by AT&T. It was a 5x7 photograph from Manhattan to Cleavland. -
Discovery Waves in Matter
Source C.J. Davison discovered that matter can take on a wave shape due to sound waves. Davison earned the Nobel prize for this discovery. -
Invention of the Synthetic Speaker
Source H.W. Dudley invented the first synthetic speaker. He called it the "Voice Coder" or the "Voder" -
The First Satellite Transmission
Source It was showed an American flag on television. This allowed the telephone to make calls across the Globe. -
Cellular Phones
Source AT&T invented the first cellular telephone. Earlier, portable phones were used in cars.
