Wednesday, February 29, 2012

phone


phone
The phone is a device that converts sound into electrical energy and sends it through the cable telephone network. At the receiver, the electrical energy is then converted back into sound. True to its name derived from the Greek, tele meaning remote and phone means sound, the phone sends a voice in the distance. Since the discovery, the telephone has become a very important communication tool. In seconds, you can contact other people across the street, another city, even in other countries using the phone. Initially, the telephone inventor Alexander Graham Bell made ​​the first telephone in Boston in 1876. However, the Italian inventor Antonio Meucci had invented the telephone in 1849. Therefore, the Meucci was officially accepted as the creator of the telephone by the U.S. Congress in September 2001.

phone

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