Illicit snappers caught infrared handed

 作者:符鲅铘     |      日期:2019-03-03 06:10:00
By Celeste Biever WITH the rise of camera phones, it is becoming increasingly difficult to prevent people sneaking shots of works of art, say, or classified military hardware. But now there is a system that can automatically detect camera phones and fire out rays of light to distort any pictures they take. Previous attempts to prevent camera phones taking images have used Bluetooth or radio signals to beam messages to all nearby handsets,