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Telecommunications Evolution Timeline

This Homework Presentation offers a timeline of the evolution of telecommunications technology.

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    Alexander Graham Bell invents the telephone in 1876. Elisha Gray files a patent application 3 hours after Bell. In the next eleven years there are over 600 patent suits filed. Settled in Bell's favor. Bell offers his patent to Western Union for $100,000.

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    Almon Strowger , a St. Louis undertaker, upset because a wife of a competitor was a telephone operator who made his line busy transferring calls meant for him to her husband. "Necessity is the mother of invention" , Strowger developed the dial telephone system to remove the operator out of the system. He forms a Chicago firm, Automatic Electric, to manufacture step - by - step central office equipment.

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