Telecommunication development

THE ERA OF THE TELEGRAPH 

In 1844, we have the birth of the telegraph, the first form of electrical communication and was invented by Samuel Morse, and was later that same year, the first telegraph link between the major cities of the United States at that time: Washington, DC and Baltimore MA. 

 For the year 1861, telegraph lines cover almost 100% of the United States, four years later in 1865 the International Telegraph Union ITU, is created to regulate their use and installation. 

A giant step that had this technology was to install a wiring dare communicate Transatlantic Ocean to England with the EU 

It was in 1874 that the French Emile Baudot developed the first telegraph multiplexer capable of withstanding 6 users in the same cable.

ERA BEGINS THE PHONE. 

Two years after the creation of the multiplexer on March 7, 1876 Patent No. 174465 to Alexander Graham Bell is granted the right to the phone, developed in years to come the first telephone link, in New Haven, Connecticut, with eight lines. 

In 1882 created the Switchboard or better known as Beehive, HONEYCOMB or Spanish, which was developed to interconnect several users by telephone. 

Ten years after the first telephone link to a great distance between the cities of New York and Chicago are set. 2008 (October). 25 years are met in the USA the first cellular service

OLD PHONE. 

THE AGE OF WIRELESS COMMUNICATIONS (RADIO). 

In 1896 Guglielmo Marconi obtained the patent on the technology of wireless communication, it was two years after hico actually wireless. 

It was not until 1915 that start doing experiments with amplitude modulated AM, and in three years testing FM. 

THE AGE OF TELEVISION. 

After the boom that the radio in the coming years, starting in 1923, until 1938 that the governments of USA, USSR and GB start developing TV technology. 

It was the BBC's first take credit for making the first coverage on TV, to cover the succession of the crown of King George VI. 2009 (Feb, 17). The United States switched off analogue television to make way for the Digital Television 

1945 an article appears in the magazine Wireless World written by the British mathematician and futuristic science fiction writer Arthur C. Clarke (author of the novel 2001: A Space Odyssey) where proposed communication via satellites. 

SATELLITE ERA. 

On October 4, 1957 is launched by the USSR's first artificial satellite called Sputnik, it should be until 1964 that INTELSAT is formed and the next year the Early Bird satellite was launched.

THE AGE OF MODEMS. 

Is up in October 1996 to USRobotics introduces technology X2 modems with speed d 56 Kbps