求翻译：从1973年手机注册专利，一直到1985年，才诞生出第一台现代意义上的、真正可以移动的电话。它是将电源和天线放置在一个盒子中，重量达3公斤，非常重而且不方便，使用者要像背包那样背着它行走，所以就被叫做“肩背电话”。是什么意思？

Phone registered patent from 1973 until 1985, before the birth of the first modern sense, the phone can really move. It is the power and the antenna is placed in a box, weighing about 3 kg, very heavy and inconvenient for the user to walk like a backpack so carrying it, so it was called "shoulder ph

From 1973, a mobile phone registered patents until 1985, when the first Taiwan modern sense, can be a real mobile phone. It is a power supply and antenna will be placed in a box, weighing 3 kg, and is very heavy, but is not convenient to use as a backpack it walk like a backpack, so they are called

From 1973 the handset registration patent, to 1985, only then was born continuously the telephone which in the first modern significance, might move truly.It is lays aside the power source and the antenna in a box, the weight amounts to 3 kilograms, extremely heavy moreover is not convenient, the us

1973 handset registered patents until 1985, not born the first modern sense, truly portable phone. Is power and antenna in one box, weighs 3 kilograms very heavy and inconvenient, users to walk behind it like a backpack so called "shoulder phone".

From 1973 mobile phones registered patents, until 1985, birth of the first, truly portable telephone in the modern sense. It is the power and antenna is placed in a box, weighing 3 kg, very heavy and cumbersome, use to walk behind it like a backpack, so it was called "shoulder phone".