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THE TELEGRAPH
Electrical signals for the transmission of coded text messages, as with Morse code, via wire lines or radio communications. -
MULTIPLEXING
Is the combination of two or more information channels in a single transmission medium using a device called a multiplexer. -
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FIXED PHONE
Antonio Meuci - Graham Bell
A landline phone is a telephone that uses a wire or a fiber optic telephone line for its transmission, as it differs from the mobile phone line, which uses radio waves for its transmission. -
RADIO
J.C Maxwell
Broadcasting is the transmission of exams to different fast destinations over a wide audience. Transmitters can be known for radio networks that can broadcast a common radio format, as it can be sent in broadcast communication, in the creation of simulations or both. -
TELEVISION
John L. Baird
F. Jenkins
Vladimir Zworykin
Television is a system for the transmission and reception of images and sound at a distance that simulate movement, which uses a broadcasting mechanism. -
MOBILE PHONE
Martin Cooper
Is an electronic device with short-range radio used for mobile voice and data communications.