Historia de la invención y desarrollo del telefono siglo XX
(Uso del pasado simple y pasado perfecto)
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The telephone is a telecommunication device designed to transmit acoustic signals at a distance by means of electrical signals. It was invented by Antonio Meucci, who in 1854 built his first prototype, although he did not formalize his patent due to economic difficulties, presenting only a brief description of his invention at the United States Patent Office in 1871. Between both dates, in 1861, Johann Philipp Reis had already developed another developed prototype, so Meucci's request came late.
A few years later, in 1876, Alexander Graham Bell was the first to formally patent it, and for many years, along with Elisha Gray, the inventors of the phone were affected.
On June 11, 2002, the Congress of the United States of America detected resolution 269, in which the true inventor of the telephone was recognized as Antonio Meucci, which telephon.