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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.
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).
National Geographic Image Collection (1888–present), collection of more than 10 million digital images, transparencies, b&w prints, early auto chromes, and pieces of original artwork New York Daily News (1880–2007), online photo archive DailyNewsPix, with photographs dating back to 1880 New York Public Library: ≈ 30% Public domain
Download QR code; Print/export Download as PDF; ... Pages in category "History of mobile phones" The following 4 pages are in this category, out of 4 total.
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]
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
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The iPhone's screen is a 320×480-resolution LCD screen at 163 ppi that measures about 3.5 inches diagonally, much bigger than most other phones at the time, and the iPhone was the first mobile phone with multi-touch technology. The rear camera on the iPhone has a resolution of 2 megapixels and also features geotagging. The iPhone has four ...