77376346
Jan 21, 2008
Automated security entry access gate systems composed computer software for both controlling static and retractable bollards, retractable delineators, threat detection sensors comprised of closed circuit televisions, laser curtain intrusion detectors, wide area lighting and audible enunciators; and static and retractable bollards, retractable delineators, threat detection sensors comprised of closed circuit televisions, laser curtain intrusion detectors, wide area lighting and audible enunciators
Electrical and Scientific Apparatus