History of mobile phones - Wikipedia
WEBThe 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.
History Of The Cell Phone (1973 to 2024) - Practically Networked
WEB1973 – The Very First Cell Phone. Motorola developed the first portable cell phone in 1973. The hand-held device was shaped like a brick and weighed around 2.4 pounds. It was called the DynaTAC 8000X and is considered as the original cell phone.
Martin Cooper | Biography, Inventions, & Facts | Britannica
WEBMartin Cooper, American engineer who led the team that in 1972–73 built the first mobile cell phone, the DynaTAC (Dynamic Adaptive Total Area Coverage), and made the first cell phone call, on April 3, 1973. He is widely regarded as the father of the cellular phone.
The First Cell Phone: The Device the Changed the World
WEBJan 20, 2022 · On April 3, 1973, Motorola engineer, Martin Cooper, rang his rival, Joel S. Engel of Bell Labs, from the first cell phone. The world had just witnessed its first mobile phone call. Later that day, Martin Cooper and his colleagues went to a news conference and revolutionized communication technology. …
Mobile phone - Wikipedia
WEBThe first handheld mobile phone was demonstrated by Martin Cooper of Motorola in New York City on 3 April 1973, using a handset weighing c. 2 kilograms (4.4 lbs). [2] In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in …
From ‘the Brick’ to the iPhone, the Cellphone Celebrates 50 Years
WEBIt was April 3, 1973, and Cooper had just placed the world’s first cellphone call. Cooper, who worked for Motorola, had just stepped out of the Hilton Midtown where he would soon officially ...
50 years ago, Martin Cooper made the first cellphone call
WEBOn April 3, 1973, Martin Cooper made the first ever cellphone call on the streets of New York. His invention, a brick-sized device, became the first cellphone available to the general...
Mobile phone inventor made first call 50 years ago - BBC
WEBMarty Cooper, with the phone he used to make the first mobile call On 3 April 1973, Marty Cooper stood on a corner of Sixth Avenue in New York and took a phone book from his pocket.
The invention of mobile phones - Science Museum
WEBWhat were the first mobile phone networks? The new mobile technology presented a problem in the USA, where the administration wanted to curb the dominance of AT&T, and in Britain, where Margaret Thatcher’s government wanted to move away from British Telecom’s state monopoly on telecommunications.
Martin Cooper - Students | Britannica Kids | Homework Help
WEBAmerican engineer Martin Cooper is widely regarded as the father of the cellular phone. He led the team that in 1972–73 built the first mobile cell phone. From this phone, Cooper made the world’s first cell-phone call. Cooper was born …
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