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A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation. In physical security and information security, access control ( AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of accessing may mean consuming, entering, or ...
The Underwriters Laboratories' UL 294 is a safety standard that addresses the construction, performance, and operation of access control systems intended to regulate or control entry into and exit from secured areas. These systems can also restrict access to certain devices through electrical, electronic, or mechanical means.
Building automation ( BAS ), also known as building management system ( BMS) or building energy management system ( BEMS ), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems.
Mantrap (access control) A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens. [1] [2] [3] Airlocks have a very similar design, allowing ...
An improved "shear" electromagnetic lock was patented on May 2, 1989, by Arthur, Richard and David Geringer of Security Door Controls, an access control hardware manufacturing firm. The device outlined in their designs was the same in principle as the modern magnetic lock consisting of an electromagnet and an armature plate.
Electric strike. Electric strike with monitoring contact. An electric strike is an access control device used for door frames. It replaces the fixed strike faceplate often used with a latch (also known as a keeper ). Like a fixed strike plate, it normally presents a ramped or beveled surface to the locking latch allowing the door to close and ...
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