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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 ]
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).
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 ...
1991: the GSM mobile phone network is started in Finland, with the first phone call in Tampere. [45] 1993: Telecom Relay Service available for the disabled; 1994: The IBM Simon becomes the first smartphone on the market. 1995: Caller ID implemented nationally in USA; 1999: creation of the Asterisk Private branch exchange
Kahn is credited with creating the first camera phone, [5] [6] being a pioneer for wearable technology intellectual property, and is the author of dozens of technology patents covering Internet of Things (IoT), artificial intelligence (AI) modeling, wearable, eyewear, smartphone, mobile, imaging, wireless, synchronization and medical ...
This phone supposedly had 0.5 kg weight. Kupriyanovich proposed the device to serve more customers and named it a correllator. [1] [2] [3] In 1961, Leonid Kupriyanovich presented a pocket automatic radio phone that could fit in the palm of a hand. This pocket mobile phone weighed only 70 g and had an 80 km operating distance.
The device was an immediate success at the show and Canova found himself on the front of the money section of USA Today, pictured holding the phone. It was released under the name Simon in August 1994 [ 2 ] and patented by Canova and other team members in 1995 with a priority date of 13 November 1992. [ 3 ]