NCJ Number
31269
Date Published
1975
Length
4 pages
Annotation
THIS ARTICLE DESCRIBES A CLOSED CIRCUIT TELEVISION NETWORK DESIGNED TO VERIFY SENSOR ALARMS AROUND THE PERIMETER OF A HIGH-RISK SECURITY AREA.
Abstract
THIS ALARM VERIFICATION SYSTEM PROVIDES A WAY TO DISTINGUISH AN ALARM TRIGGERED BY AN INTRUDER FROM A FALSE ALARM. THE RATIONALE FOR SYSTEM DESIGN CHOICES IS DISCUSSED AND THE PERFORMANCE OF KEY SYSTEM ELEMENTS IS PRESENTED.