Images

Telecomunication inventions

  • telegraph- David Alter

    telegraph- David Alter
    The telegraph is a device that uses electrical signals to transmit coded text messages, such as Morse code, over wire lines or radio communications
  • Telephone- Graham Belt

    Telephone- Graham Belt
    A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.
  • radio - Guillermo Marconi

    radio - Guillermo Marconi
    A radio is a box filled with electronic components that catches radio waves sailing through the air and converts them back into sounds your ears can hear.
  • Television - john Logie Baird

    Television - john Logie Baird
    Television is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound.
  • Computer - United states Navy

    Computer - United states Navy
    A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
  • Tablet - Alan Kay

    Tablet - Alan Kay
    A tablet is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package.
  • Mobile Phone - Martin Cooper

    Mobile Phone - Martin Cooper
    A mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.