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The first portable cellular phone commercially available for use on a cellular network was developed by E.F. Johnson and Millicom, Inc. It was introduced by Millicom subsidiary Comvik in Sweden in September 1981. Motorola was the first company to produce a handheld mobile phone.
7 de may. de 2024 · 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.
20 de ene. de 2022 · Learn how the first cell phone evolved from wireless telephones in trains to flip and digital phones. Discover who invented the first cell phone, when it was released, and what features it had.
4 de ago. de 2020 · The first portable cell phone was invented in 1973 by Motorola. On April 3, 1973, Motorola engineer Martin Cooper made the first-ever cell phone call on the DynaTAC 8000X. The prototype he used weighed 2.4 lb (1.1 kg) and measured 9.1 x 5.1 x 1.8 in (23 x 13 x 4.5 cm).
15 de nov. de 2022 · In 1973, Motorola, a telecommunications company founded in 1928, made history when it created the world's first cell phone. Motorola engineer Martin Cooper created this revolutionary device called the DynaTAC 8000X.
Learn how Motorola's Martin Cooper beat AT&T to the patent office and created the first handheld cell phone in 1973. Discover the key developments and challenges that led to the modern mobile phone network.
20 de mar. de 2024 · Learn how cell phones evolved from car phones to smartphones over the past four decades. Discover the milestones, inventions, and innovations that shaped the mobile industry.
