Telephone history - Hernando, María

By maria hernando

  • Telephone invention

    Telephone invention
    Alexander Graham Bell recieved the first patent of the United Estates for his invention of the telephone in 1876. Although, it was Antonio Meucci who really invented it in1854.

  • First telephone line - First telephone exchange

    First telephone line - First telephone exchange
    The construction of the first telephone line was completed between Boston and Somerville, Massachusetts.
    The first telephone exchange was created at the same time in Boston.

  • The first public telephone

    The first public telephone
    The first public telephone was created and patented for an inventor called William Gray of Hartford, Connecticut. The public telephone was operated with coins and was installed in the Hartford Bank.

  • Touch Tone Phones

    Touch Tone Phones
    You pressed the telephone's buttons to made a call.

  • The first mobile phone

    The first mobile phone
    Motorola DynaTAC 8000x was the first mobile phone, it was a device that let people phoned someone everywhere and without the need of being in an specific place.

  • The first smarpthone

    The first smarpthone
    Ericsson R380, it was a terminal that costed nearly 700$ and it was the first terminal that also used the Symbian OS, which also appeared around those years.