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  2. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    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.

  3. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone.. Charles Bourseul Johann Philipp Reis Elisha Gray Thomas Edison Alexander Graham Bell Thomas Augustus Watson Tivadar Puskás Emile Berliner Charles Sumner Tainter Theodore Newton Vail

  4. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).

  5. History of the telephone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone

    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 ...

  6. History of telecommunication - Wikipedia

    en.wikipedia.org/wiki/History_of_telecommunication

    The history of telecommunication began with the use of smoke signals and drums in Africa, Asia, and the Americas. In the 1790s, the first fixed semaphore systems emerged in Europe . However, it was not until the 1830s that electrical telecommunication systems started to appear.

  7. The father of the cellphone - AOL

    www.aol.com/news/father-cellphone-133934596.html

    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 ...

  8. Smartphone - Wikipedia

    en.wikipedia.org/wiki/Smartphone

    [40] [41] [42] It had a 3.5" capacitive touchscreen with twice the common resolution of most smartphone screens at the time, [43] and introduced multi-touch to phones, which allowed gestures such as "pinching" to zoom in or out on photos, maps, and web pages. The iPhone was notable as being the first device of its kind targeted at the mass ...

  9. History of the telephone in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone...

    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.