TELEPHON E

TELEPHON E Diana Grishonkova 9 AThe modern world is simply impossible to imagine without the existence of phones, we actively use this boon, but not every one of us knows who invented the telephone first. We are all accustomed to is a if for any reason remain without a phone, you feel isolated from the world.

In 1860 in the US, the immigrant of Italian descent Antonio Meucci demonstrated a device that could transmit sounds through wires, and named Telectrophon. Meucci filed a patent for his invention in 1871.

In 1861, German physicist and inventor Johann Philipp Reis demonstrated another device that could transmit musical tones and human speech through wires. The device had a microphone to the original design, power source and speaker. The Flight was called they designed a device Telephon.

Telephone, patented in the USA in 1876 by Alexander Graham bell, was called «speaking Telegraph». For a long time Alexander Bell was considered the official inventor of the telephone and only 11 June 2002, the US Congress resolution No. 269, recognized the right of the invention of the telephone Antonio Meucci

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