美国“桑迪亚”实验室几年来一直在研制一种只有合法主人才能射击的手枪。研制这种手枪的原因在于有些罪犯往往会夺过警察的手枪而将其击毙,而且武器被盗的情况也时有发生。 这种手枪采用微型近距离无线电传感器,传感器隐藏在制服钮扣、皮带扣、手表等物内,并且能发出密码信号。当合法持枪人拿着手枪时,枪柄内的接收器就 For years, the U.S. “Sandia” lab has been developing a pistol that only legitimate masters can shoot. The reason for the development of such a pistol is that some criminals often take police pistols and kill them, and that theft of weapons takes place from time to time. This pistol uses a miniature proximity radio sensor that hides in uniform buttons, belt buckles, watches, and more, and can send a password signal. When the legitimate gunman holds a pistol, the receiver inside the gun handle