Martin Cooper (born December 26, 1928, Chicago, Illinois, U.S.) is an American engineer who led the team that in 1972–73 built the first mobile cell phone and made the first cell phone call. He is widely regarded as the father of the cellular phone.
The 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) ... |
31 июл. 2023 г. · Find out more about the first mobile phone was invented by Motorola engineer Martin Cooper in 1973 and known as the DynaTAC 8000X. |
27 февр. 2024 г. · Alexander Graham Bell invented the telephone in 1876. And then in 1900, on December 23 on the outskirts of Washington, DC, an inventor named Reginald Fessenden ... |
12 нояб. 2018 г. · Martin Cooper, the engineer from Motorola, developed the first hand-held phone that could connect over Bell's AMPS. Motorola launched the ... |
In 1917, the Finnish inventor Eric Tigerstedt successfully filed a patent for a "pocket-size folding telephone with a very thin carbon microphone". Beginning ... |
On April 3rd, 1973, Martin Cooper, an engineer at Motorola, made the world's first mobile phone call from a busy New York street using a device that would ... |
3 окт. 2023 г. · The first mobile phone invented for practical use was by a Motorola employee called Martin Cooper who is widely considered to be a key player in ... |
2 апр. 2023 г. · Marty Cooper, who made the first mobile phone call in 1973, says modern devices are "suboptimal". |
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