求翻译：1973年4月的一天，一名男子站在纽约街头，掏出一个约有两块砖头大的无线电话，并打了一通，引得过路人纷纷驻足侧目。这个人就是手机的发明者马丁·库帕。当时，库帕是美国著名的摩托罗拉公司的工程技术人员。是什么意思？

[object Object]

正在翻译，请等待...

The handset is the portable-type telephone abbreviation, or called the mobile phone, the Hong Kong area also called the mobile phone, is one kind of portable radio telephone.

One day in April 1973, a man stood in the streets of New York, about two pulling a brick phone and had a pass, passers-by stop eyebrows. This person is inventor of the mobile Mading·Kupa. At that time, the Cooper Union for the is United States famous Motorola's engineers and technicians.