NCJ Number
14467
Journal
Security World Volume: 11 Issue: 6 Dated: (JUNE 1974) Pages: 20-22,24,26
Date Published
1974
Length
5 pages
Annotation
OUTLINE OF BASIC TECHNICAL APPROACHES TO THE DESIGN AND APPLICATION OF COMMERCIAL AND INDUSTRIAL SECURITY ALARM SYSTEMS DEVELOPED BY THE SECURITY PROTECTION INDUSTRY IN THE UNITED STATES.
Abstract
SEVERAL CRITERIA CAN BE APPLIED TO A RELIABLE SYSTEM OR DEVICE, INCLUDING OPERATION WHEN STIMULATED BY AN INTRUDER, LOW NUISANCE ALARM RATE, AND THE ABILITY TO WITHSTAND THE COUNTERMEASURES OF THE INTELLIGENT CRIMINAL. THE SYSTEMS COVERED ARE ELECTRO-MECHANICAL DEVICES, PHOTOELECTRIC SYSTEMS, PHOTOCONDUCTIVE SYSTEMS, AUDIO DETECTION, AUDIO MONITORING, VIBRATION DETECTION, AND SIGNALING SYSTEMS.