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Telegraph-Joseph Henry
Is a device that uses electrical signals for the transmission of encoded text messages, such as with Morse code, through wire lines or radio communications. -
Telephone-Alexander Graham Bell
The telephone is a telecommunication device designed to transmit acoustic signals at a distance by means of electrical signals. -
Television-John Logie Baird
System of transmission of images and sounds at a distance by means of hertzian waves. -
Radio-Guillermo Marconi
Radiotelephone broadcast that is intended for the public. -
Computer-Konrad Zuse
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs. -
Tablet-Alan Kay
Laptop larger than a smartphone, integrated into a touch screen that interacts primarily with your fingers without the need for a physical keyboard or mouse -
Mobile phone-Martin Cooper
It is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area.
