Shulou(Shulou.com)11/24 Report--

CTOnews.com April 3, according to BBC, on April 3, 1973, Martin Cooper (Marty Cooper) stood in a corner of New York's sixth Avenue and took a phone book out of his pocket. He dialed a number with a big white device and affixed it to his ear, which attracted a surprised look from passers-by.

Cooper, an engineer at Motorola, called his rival Bell Labs and told him proudly that he was making a call with a "personal, handheld, portable phone."

There was silence on the other end of the phone, he recalled. "I think he was gnashing his teeth," the 94-year-old said with a smile.

Bell Labs was focused on developing a car-based phone, he said. "can you believe it? we've been stuck in our homes and offices on copper wires for more than 100 years-and now they're going to trap us in cars!" Obviously, Cooper and Motorola do not agree with their competitors' ideas, and history has proved them right.

The basic principle of the first mobile phone is not very different from what it is now. the mobile phone converts sound into an electrical signal and then modulates it into a radio wave. Radio waves arrive at a base station, which sends your voice to the person you want to call, and by reversing the process, you can also hear the other person talking.

The commercial version of Martin Cooper's prototype, Motorola DynaTAC 8000X, launched in 1984, 11 years after the first call, was basically capable of dialing and making phone calls, and today it is worth 9500 pounds (CTOnews.com Note: currently about 80465 yuan).

DynaTAC 8000X does not support SMS, no camera. It takes up to 30 minutes to talk, 10 hours to recharge, 12 hours to standby, a 15cm antenna at the top and weighs 790g-almost four times the weight of the iPhone 14.

However, Cooper is not interested in the design of mobile phones in 2023-although he admits he never expected them to one day become a handheld "supercomputer" with cameras and Internet access.

"I don't think today's phone is optimal. In many ways, it's not a very good phone," he said. "think about it. You have a piece of plastic and glass, and it's flat-- you put it on the curve of your head; you put your hand in an uncomfortable position; and when you want to do these wonderful things it can do, you have to download an app."

Cooper believes that in the future, artificial intelligence will create or choose applications for everyone according to their individual needs. He also believes that one day, this device will monitor our health, improve our productivity and improve our quality of life. He even suggested that they might help eliminate the war.

"phones won't do it on their own," he admits. "but it will be at the heart of this bright future."We are still in the early stages of the mobile phone revolution," he declared.

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