phones

By 100542

  • telegraph

    Carl F.Gauss and Ernst H. Weber build the electromagnetic telegraph. The telegraph was the first step to making electrical signals travel from one device to another

  • telegraph line

    Samuel F.B. Morse demonstrates the Baltimore, MD, and Washington, DC, telegraph line

  • develops a “telephon

    Philipp Reis develops a “telephon.” Reis's phone was the first instrument to transmit the spoken word
  • principle of the telephone

    principle of the telephone

    Alexander Graham Bell discovers the principle of the telephone
  • automatic dial

    automatic dial

    The first automatic dial system was patented by a Kansas City undertaker. Switchboard operators were no longer necessary to make a telephone call.
  • beginnings of cell phone

    beginnings of cell phone

    Oliver Lodge demonstrates wireless communication over a distance of 150 yards. This is the beginnings of cell phone technology
  • telephone switching

    telephone switching

    The electronic telephone switching system is placed into service. Calls are switched faster than before.
  • first single chip microprocesser

    first single chip microprocesser

    Intel Corporation develops the first single chip microprocesser, the 4004. The microprocessor would make telephones and switching systems smaller, lighter and faster to use.
  • Bell

    Bell

    Bell System FT3 fiber optic communication is developed.

  • Baby Bells

    AT&T agrees to breakup its Bell System telephone companies. "Ma Bell" becomes a bunch of "Baby Bells