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The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
The history of mobile phones can be traced back to two-way radios permanently installed in vehicles such as taxicabs, police cruisers, railroad trains, and the like. Later versions such as the so-called transportables or "bag phones" were equipped with a cigarette-lighter plug so that they could also be carried, and thus could be used as either ...
21 October 1915: First transmission of speech across the Atlantic Ocean by radiotelephone from Arlington, Virginia to Paris, France. [23] 1919: The first rotary dial telephones in the Bell System installed in Norfolk, Virginia. Telephones that lacked dials and touch-tone pads were no longer made by the Bell System after 1978. [citation needed]
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Title Director Cast Genre Notes Babbitt: Harry Beaumont: Willard Louis, Mary Alden: Drama: Warner Bros. Baffled: J. P. McGowan: Franklyn Farnum, Alyce Mills: Western ...
1878: First phone directory printed in Connecticut. Telegraph manager George Coy of New Haven, Connecticut, developed an exchange—the system that allows people to call each other—within a year ...
Films about telephony, the field of technology involving the development, application, and deployment of telecommunication services for the purpose of electronic transmission of voice, fax, or data, between distant parties.
January 10 – CBC Distributions corp. is renamed and incorporated as Columbia Pictures.; D. W. Griffith, co-founder of United Artists, leaves the company.; April 17 – Entertainment entrepreneur Marcus Loew gains control of Metro Pictures, Goldwyn Pictures Corporation and Louis B. Mayer Pictures to create Metro-Goldwyn-Mayer (MGM)