martin cooper's first phone - Search
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  2. On April 3, 1973, Cooper introduced the DynaTAC phone at a press conference in New York City. To make sure that it worked before the press conference, he placed the first public cell phone call, to engineer Joel Engel, head of AT&T’s rival project, and gloated that he was calling from a portable cellular phone.
    www.britannica.com/biography/Martin-Cooper
    Engineer Martin Cooper made the world's first cellphone call on April 3, 1973, using a Motorola DynaTAC.
    www.smithsonianmag.com/innovation/from-the-bric…
    Cooper had convinced Motorola, a small telecommunications company at the time, to support his idea. Three months later, Cooper and a team of engineers had created a phone nicknamed “The Brick.” It was huge, chunky, and weighed about two pounds. He proved the phone worked on April 3, 1973.
    whyy.org/segments/father-of-cell-phone-reflects-o…
    The commercial version of Marty Cooper's prototype, the Motorola Dynatac 8000X, was released 11 years after that first call, in 1984.
    www.bbc.com/news/technology-65112048
    Motorola spent three months building a prototype for a portable, mobile handset that Cooper publicly demonstrated in April of 1973. The company's first commercial cellular phone, the "DynaTAC," went on sale 10 years later.
    www.cnn.com/2010/TECH/mobile/07/09/cooper.cel…
     
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    WEBApr 3, 2023 · Engineer Martin Cooper made the world's first cellphone call on April 3, 1973, using a Motorola DynaTAC. Valerie Macon / AFP via Getty Images

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