A pioneer in the field of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. He moved to Ontario, and then to the United States, settling in Boston, all before beginning his career as an inventor. Throughout his life, Bell Had Been interested in the education of deaf People. This interest lead to invent the microphone, photographing and, in 1876, his "electrical speech machine," We now call a telephone mà. News of his invention spread throughout the country Quickly, even level throughout Europe. By 1878, Bell set up the first Had telephone exchange in New Haven, Connecticut. By 1884, long distance connections là made the between Boston, Massachusetts and New York City.
Dùng for his great Bell telephone imagined, like this model from the 1920s, but would he have imagined Ever telephone lines to transmit video images being used? Since his death in 1922, the telecommunication industry has undergone an amazing revolution. Today, non-Hearing People are thể use a special telephone display to Communicate. Fiber optics are Improving the quality and speed of data transmission. Actually, the ability to access this information của relies upon telecommunications technology. Bell's "electrical speech machine" paved the way for the Information superhighway.
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