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Hello!

 The subject will be about the invention of the telephone as we know nowadays the algebraic phones are being left behind to open the field to the cell phones that come with advanced and renovating technology, there is a timeline that will explain them better as the telephone was renewed to as time passes



Link de linea de tiempo:

https://www.timetoast.com/timelines/2023255


Among the great inventions that the human being has built, the telephone like no other could do so much to improve their living conditions, has saved lives, has allowed us to communicate daily with our peers, to make thousands of commercial transactions and It has allowed people to come closer to each other. The application of electricity to the field of communications goes back to the final stage of the eighteenth century with the invention of the telegraph that had managed to associate electrical impulses and letters, a system that, after an appropriate decoding procedure, allowed the transmission of long messages. distance, the next step would come with the union of the electrical signal and the human voice.

However, in the case of the telephone, an intermediate element was needed that translated sound waves into electrical signals and vice versa, a second device capable of converting the electrical signal into a sound wave.

 The telephone is a telecommunication device designed to transmit acoustic signals by means of electrical signals at a distance.