A method of laser scanning a perimeter zone of a target site for the detection of potential threats comprises: scanning a pulsed laser beam across the perimeter zone; receiving echoes from the pulsed laser beam and forming for a plurality of perimeter zone scans to form scene images. In addition, a method of authenticating a potential threat detected in a perimeter zone of a target site comprises: detecting the potential threat, interrogating the potential threat by a wireless transmission; declaring the potential threat unauthorized if no response is transmitted within a predetermined time interval or if the received response is determined not to comprise the proper access code.
申请公布号
WO2004104633(A3)
申请公布日期
2005.01.20
申请号
WO2004US14223
申请日期
2004.05.07
申请人
ROSEMOUNT AEROSPACE INC.;RAY, MARK, D.;JAMIESON, JAMES, R.