-
On April 3, 1973, Martin Cooper, a Motorola manager, made the first call from a mobile phone of the DynaTAC 8000X project from a street in New York. Precisely to his biggest rival in the telephony sector: Joel Engel, from AT & T's Bell Labs.
in 1855 of what he would call the teletrophone. So, certainly, the telephone was born in Havana -
In 1899, The New England Wireless Telegraph and Telephone Company, a subsidiary of the American Wireless Telephone and Telegraph Company, purchased Dolbear's 1886 patent and filed a lawsuit against Marconi for infringement. However, in March 1901, a United States Circuit Court dismissed the claim.
In April 1902, American Wireless petitioned Congress to extend the 1886 patent for ten years, but was unsuccessful, so it duly expired . In 1905, the Circuit Court of New York -
he second generation of cell phones was born in the 1990s. It used GSM systems (Global System for Mobile Communications, a European standard) and frequencies between 900 and 1800 MHz, which represented the step towards the digitization of cellular communications.
-
The first Android phone was the HTC Dream, which was introduced on October 22, 2008. With this device, the operating system created by Google entered the mobile world.