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Motorola was the first company to produce a handheld mobile phone. On 3 April 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.
- Mobile phone - Wikipedia
The first handheld cellular mobile phone was demonstrated by...
- Martin Cooper (inventor) - Wikipedia
On April 3, 1973, he placed the first public call from a...
- Mobile phone - Wikipedia
The first handheld cellular mobile phone was demonstrated by John F. Mitchell [11][12] and Martin Cooper of Motorola in 1973, using a handset weighing 2 kilograms (4.4 lb). [2] The first commercial automated cellular network (1G) analog was launched in Japan by Nippon Telegraph and Telephone in 1979.
On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to his counterpart at competitor Bell Labs.
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.
Martin made the first cell phone call on April 3, 1973. The call was to a rival competitor, Dr. Joel S. Engel at ATT. During his phone call he told his rival what he had done by telling him he was talking to him on a cell phone.
3 Απρ 2023 · With encouragement from his boss, Motorola’s chief of portable communication products, John Mitchell, Cooper, and the engineers at Motorola produced the working prototype for the first cell...
20 Ιαν 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. Motorola’s cell phone was called DynaTAC 8000X.
