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Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...
Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile phones than wired devices. [ 1] The history of mobile phones covers mobile communication devices that connect wirelessly to the ...
LED or vacuum fluorescent display. Data inputs. Push-button. Made in. USA. Electrical engineer Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994.
Motorola Droid Razr: 2011/11 D Android 2.3 "Gingerbread" [70] Motorola Droid 4: 2012/02 D Android 2.3 "Gingerbread" [71] Motorola Atrix HD: 2012/07 D Android 4.0 "Ice Cream Sandwich" [72] Motorola Photon Q: 2012/08 D Android 4.0 "Ice Cream Sandwich" [73] Motorola Droid Razr M: 2012/09 D Android 4.0 "Ice Cream Sandwich" [74] Motorola Droid Razr ...
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Motorola Trademark Holdings, LLC. Website. www .motorola .com. Motorola Mobility LLC, marketed as Motorola, is an American consumer electronics manufacturer primarily producing smartphones and other mobile devices running Android. Headquartered at Merchandise Mart in Chicago, Illinois, it is a subsidiary of the Chinese technology company Lenovo.
The Mobile Telephone Service ( MTS) was a pre- cellular VHF radio system that linked to the Public Switched Telephone Network (PSTN). MTS was the radiotelephone equivalent of land dial phone service. The Mobile Telephone Service was one of the earliest mobile telephone standards. It was operator assisted in both directions, meaning that if one ...
The Motorola Droid ( GSM / UMTS version: Motorola Milestone) is an Internet and multimedia -enabled smartphone designed by Motorola, which runs Google 's Android operating system. The Droid had been publicized under the codenames Sholes and Tao[ 4][ 5] and the model number A855. [ 6] In Latin America and Europe, the model number is A853 ...