-
Telegraph
For many centuries, people tried to send singnals over long distances by using fires and mirrors to carry messages. In 1793, the Telegraph was invented, and signals were first sent along wires. -
The first patent
Bells first telephone had one combined mouthpiece and earpiece. When you spoke into the horn, the voice was converted into electric singnals which were carried along telephone wires. -
Soon afterwards
Thomas Edison made a telephone with a seoarate mouthpiece abd earpiece -
Dial phone
Where the first dial phones were used -
The first mobile phone
The mobile phone was invented in 1979 at the Bell Telephone Laboraties in the USA.