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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.
A mobile phone, or cell phone, [a] is ... History. From 1983 to 1998, Motorola was market leader in mobile phones. Nokia was the market leader in mobile phones from ...
1971: AT&T submitted a proposal for cellular phone service to the U.S. Federal Communications Commission (FCC). 3 April 1973: Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T's Bell Labs, while talking on the first Motorola DynaTAC prototype.
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
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 ...
By 2000 most of the 111 million cell phone subscribers talked on them while driving. Many local and state jurisdictions considered bans. The industry claimed cell phones are no more dangerous than listening to car radios. Furthermore, they argued that increased productivity and their necessity in emergencies outweigh the safety factor. [32]
History of prepaid mobile phones This page was last edited on 30 March 2013, at 07:11 (UTC). Text is available under the Creative Commons Attribution ...
If old cell phones aren't the only vintage items you have stored away in your home, take a look at what some of the most valuable VHS tapes are going for. Related Articles. AOL.