Fondo tecnologia innovacion finanzas empresariales 31965 2378

The telephone

  • Acustic string telephone

    Acustic string telephone
    The phone was an invention of robert hooke in 1666 in london to be able to communicate through a wool rope and a can
  • Acustic string telephone

    Acustic string telephone
    The phone was an invention of robert hooke in 1666 in london to be able to communicate through a wool rope and a can
  • Speaking telegraph

    Speaking telegraph
    He was invented in 1807 in Italy and Mr. Graham Bell invented them to communicate with his wife while he worked because the woman was paralyzed. The invention is made of wood wires and magnetic energy.
  • Teletrophone

    Teletrophone
    The teletrophone was made in 1854 in the United States. The inventor was Antonio Meucci with a more advanced way than telegraph to speak. The invention is made of wood wires and a more powerful energy of magnetism.
  • Candlestick phone

    Candlestick phone
    it was made in 1919 in new york and the inventor was almon stronger. for the calls to be connected through a central
  • Rotary phone

    Rotary phone
    Rotary was invented in 1930 in new york the inventor was almon stronger. It is used when initiating a telephone call to transmit the destination telephone number to a telephone exchange.
  • Touch dial phone

    Touch dial phone
    It was invented in 1963 in New York. The inventor was the Bell system. I Using audible tones for each of the digits on the push-button
  • First mobile phone

    First mobile phone
    The first phone was invented in New York and it was invented by Martin Cooper. The prototype was able to give a caller 30 minutes of talk-time and took about 10 hours to charge.
  • Cordles phone

    Cordles phone
    They invented it in 1980 in the united states and the inventor was tery pall. The handset cord of the telephone was replaced with a radio link.
  • First portable phone

    First portable phone
    Martin Cooper invented it in 1989 in the United States. An innovative new flip design, where the mouthpiece folded over the keypad, although the mouthpiece was actually located in the base of the phone, along with the ringer
  • Nokia

    Nokia
    It was invented in 1998 in Helsinki and it was invented by the Nokia company. Nokia mobile phones catered to consumers, with interchangeable faceplates, customizable designs, the first WAP
  • First camera phone

    First camera phone
    The first camera phone was invented in 1999 in Japan and was invented by the Kyocera team of technicians. Heir usual fixed-focus lenses and smaller sensors limit their performance in poor lighting.
  • Black berry

    Black berry
    The black berry was invented in 2003(japan) was invented by nokia technicians company. Heir usual fixed-focus lenses and smaller sensors limit their performance in poor lighting.The invention of black berry are made of 50% plastic, 15% glass, and ceramic, 4% cobalt and lithium, 4% carbon, 3% iron, 2% nickel, 1% tin, and 6% other materials.
  • Smart phone

    Smart phone
    The Smart phone was invented in USA in 2004 and Simon invented it. Most smartphones are made of carbon and glass plastic. This movil brand is to famous around the world.