Cell block

时间:2019-03-08 04:19:01166网络整理admin

By Barry Fox Even the makers of cellphones now see the need to block their use on occasion. Motorola makes some interesting claims in GB 2 329 794. “At least one aircraft crash has been attributed to the use of a mobile phone,” the company says, adding that there is also a danger of explosion near petrol pumps and that mobiles cause “considerable annoyance” in theatres. So Motorola plans to put circuitry in a cellphone that communicates with an aerial which can be hidden in a doorway,