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Martin 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.
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11 Ιαν 2024 · The first cell phone was created by Martin Cooper and his team at Motorola. The prototype, known as the Motorola DynaTAC 8000X , was the first handheld cellular phone. Cooper made the first publicized handheld cellular phone call on a prototype DynaTAC model on April 3, 1973.
27 Φεβ 2024 · Alexander Graham Bell invented the telephone in 1876. And then in 1900, on December 23 on the outskirts of Washington, D.C., an inventor named Reginald Fessenden accomplished a remarkable feat: He made the first wireless telephone call.
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.
Standing on Sixth avenue near the Hilton, Cooper made the first handheld cellular phone call in public from the prototype DynaTAC. The call connected him to a base station Motorola had installed on the roof of the Burlington House (now the AllianceBernstein Building ) and into the AT&T land-line telephone system. [ 15 ]
How were mobile phones invented? In the 1970s, researchers at Bell Labs in the USA began to experiment with the concept of a cellular phone network. The idea was to cover the country with a network of hexagonal cells, each of which would contain a base station.
13 Ιαν 2020 · Dr. Martin Cooper, a former general manager for the systems division at Motorola, is considered the inventor of the first modern portable handset. In fact, Cooper made the first call on a portable cell phone in April 1973 to his rival, Joel Engel, who served as Bell Labs head of research.
