The history of the invention of the phone has more than one hundred thirty years. In everyday hustle and bustle, taking advantage of the many benefits of civilization, a person almost never thinks about how life would have developed without some objects that are familiar to us. And she could be completely different.
The invention of the telephone began with the work of Alexander Bell (1847-1922), a teacher at a school for deaf children in Boston, USA, who in 1875 created a device that can transmit human speech over a distance. In February 1876, Bell patented his device. And in 1878, the first communication session took place, Bell talked on the phone with his assistant. The creation of such a device became possible after
alternating current and electromagnetic radiation were discovered. Alexander Bell used these two natural phenomena in the work of the new device.
The invention of the telephone provided a leap in the development of communications and set the transfer of information to a new level. In addition to Alexander Bell , thirty more inventors, including Thomas Edison, claimed to be the discoverer, but none of them documented their invention.
It all started with the fact that in 1866, after several unsuccessful attempts, a telegraphic
transatlantic cable was laid connecting America and Europe. But he did not bring the expected profit, and the owners of the cable offered to pay a large bonus to someone who finds a way to transmit messages in a more efficient way than a telegraph. The result of these searches was the invention of the phone. The principle of its operation was as follows: the pulses created by human speech fell on a metal membrane and transmitted through electric wires, fell into a receiving device, caused vibrations of the membrane, where they were again converted into speech. This connection is called impulse.
The phone very quickly took its place in the life of all mankind. And almost until the 70s of the last century, the principle of operation of such devices remained unchanged. In 1973, Motorola engineer Martin Cooper made a call using a mobile device. It was a prototype phone presented by the company
on March 6, 1983.
The very idea of creating mobile communications appeared in 1946, but this device was very bulky and inconvenient. And it took almost 40 years and more than $ 100 million to turn the idea into reality. The first mobile phone weighed 794 grams, the charger was enough for only 8 hours of work. And it cost almost 4,000 dollars.
The invention of the mobile phone and the advent of cellular communications served as the basis for the creation of modern digital technologies that we use. If you take a mobile phone in your hands, it becomes clear what a huge leap the communications industry has made, how rapidly technological progress is developing. Today, such a phone is not just a means of communication, it is a portable computer that performs many functions.
The invention of the telephone is that momentous event that has changed the course of history, mankind has put it on a new track of development.