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That first cell phone began a fundamental technology and communications market shift to making phone calls to a person instead of to a place. [6] [19] Bell Labs had introduced the idea of cellular communications in 1947, but their first systems were limited to car phones which required roughly 30 pounds (12 kg) of equipment in the trunk. [21]
1902: The first Australian interstate calls between Mount Gambier and Nelson. [15] 26 February 1914: Boston-Washington underground cable commenced commercial service. [23] 16 January 1915: The first automatic Panel exchange was installed at the Mulberry Central Office in Newark, New Jersey; but was a semi-automatic system using non-dial telephones.
In the 1970s engineer Marty Cooper, an executive at Motorola, fought against archrival AT&T by leading a team that designed the cordless device that made possible the explosion in cellphones. Now ...
Martin Cooper, a former general manager for the systems division at Motorola, led a team that produced the DynaTAC 8000X, the first commercially available cellular phone small enough to be easily carried, and made the first phone call from it. Martin Cooper was the first person to make an analog cellular mobile phone call on a prototype in 1973.
And on April 3, 1973 in New York City, Motorola employee Martin Cooper made the first cell phone call in history. traveler1116 - Getty Images April 7: A Day for Inventions (That You Didn't Know ...
1915: The first U.S. coast-to-coast long-distance telephone call, is ceremonially inaugurated by A.G. Bell in New York City and his former assistant Thomas Augustus Watson in San Francisco, California. 1927: The first transatlantic phone call is made, from the United States to the United Kingdom. [30]
Martin Cooper photographed in 2007 with his 1972 handheld mobile phone prototype. Prior to 1973, mobile telephony was limited to phones installed in cars and other vehicles. [22] The first portable cellular phone commercially available for use on a cellular network was developed by E.F. Johnson and Millicom, Inc. [29]
The first call on the prototype connected, reportedly, to a wrong number. [10] [11] While Motorola was developing a cellular phone, from 1968 to 1983 Bell Labs worked out a system called Advanced Mobile Phone System (AMPS), which became the first cellular network standard in the United States.