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1973年4月的一天,一位男子站在纽约曼哈顿繁华的街头,他掏出一个砖头大小的无线电话,轻轻按下按键,给自己的竞争对手拨了一个电话。路人们纷纷驻足观看,在此之前,人们从未见过没有绳子的电话。这个拿着电话的人就是手机的发明者——马丁·库帕,而他手中的电话就是世界上第一部手机。这部手机十分笨重,其内部电路板达30多个,通话时间只有35分钟,而充电时间却要10小时,仅有拨打和接听电话两种功能。不过,它的诞生意味着一个全新时代——无线通信时代的开始。
One day in April 1973, a man standing on the bustling streets of Manhattan in New York City, he pulled out a brick-sized radiotelephone, gently press the button, dial a call to his rival. Road people stop to watch, before that, people have never seen the phone without a cord. The man with the phone is the inventor of the phone - Martin Cooper, and the phone in his hand is the world’s first cell phone. This phone is very heavy, its internal circuit board up to more than 30, talk time is only 35 minutes, while charging time but 10 hours, only the two functions of making and receiving calls. However, its birth means a new era - the beginning of the era of wireless communications.