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2G also introduced the ability to access media content on mobile phones. In 1998, the first downloadable content sold to mobile phones was the ring tone, launched by Finland's Radiolinja (now Elisa). Advertising on the mobile phone first appeared in Finland when a free daily SMS news headline service was launched in 2000, sponsored by advertising.
11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
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]
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).
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1984: The first commercially available cell phone in the US, the DynaTAC 8000X, is created by Motorola. 1984: DNA profiling is pioneered by Alec Jeffreys. [531] [532] 1986: Technophone, a British mobile phone company, created the first pocket-sized cell phone, the Excell PCT105. [533] [534]
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1927: First commercial radio-telephone service, U.K.–U.S. 1930: First experimental videophones; 1934: First commercial radio-telephone service, U.S.–Japan; 1936: World's first public videophone network; 1946: Limited capacity Mobile Telephone Service for automobiles; 1947: First working transistor (see History of the transistor)