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.

2024年12月23日 · 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 …

2023年4月3日 · Though Cooper is hailed as the inventor of the modern cellphone, the device’s history began much earlier. “Whoever was first, there’s always somebody who was more first,” …

2023年4月4日 · On April 3, 1973, Martin Cooper stood on a sidewalk on Sixth Avenue in Manhattan with a device the size of a brick and made the first public call from a cell phone to …

2024年2月27日 · 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 …

2023年4月3日 · Mr Cooper, an engineer at Motorola, rang his counterpart at rival firm Bell Laboratories, to triumphantly tell him he was calling from "a personal, handheld, portable cell …

2013年4月3日 · "We've got to build a portable cell phone." The first call publicly conducted on a cellular telephone was made for two reasons: show, and spite. Dr. Martin Cooper and a design …

Martin Cooper is a pioneer in wireless communication who invented the first portable cell phone in 1973. He was nicknamed the "father of the cell phone."

2020年1月13日 · 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 …

2021年8月23日 · Cell phone inventor Marty Cooper on making his first public call by CBS Sunday Morning on YouTube. Cooper's gambit worked.