More about Access Control Systems

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Access control systems are used to regulate entry, exit and admission to various locations. They range from simple proximity sensors to high-security identification systems. Applications for such devices include ticket dispensing, automobile access control (such as gates and doors), facility safety, personnel and inventory tracking and storage. Access control systems are regularly used in toll plazas, security gates, retail stores, airports and industrial warehouses.

Control systems offer a wide range of access options, such as biometric, motion, proximity, keypad, key and card triggers. In a biometrically activated access control system, entry is controlled by fingerprint, retina, iris or hand geometry scans; these systems are typically used in locations requiring high levels of security, such government and military facilities, chemical and pharmaceutical laboratories, and technology centers. Proximity and motion access systems represent the opposite end of the spectrum, and are activated by movement or location; various auto garages and retail stores use these types of systems. Key and card activated systems allow companies and facility owners to monitor access, including time, date and personnel logging; these systems are regularly used in business offices and similar locations. Keypad access allows for a low-security lock accessible to visitors and guests, and these systems are effective solutions for partial security in high-traffic areas.

Numerous detection and sensing devices are used in access systems, including metal detectors and personnel scanners. These devices can be designed as standalone units, or linked to various software and web-based utilities and integrated into existing computer systems. Various hand-held detectors, used by law enforcement and security workers, are also available for temporary applications.

Most access control systems rely on accessories such as ID badges, keycards, intercoms, and remote actuators for effective functionality. Generally, these items are supplied and replaced by the system manufacturer, but additional system components and modifications are available through numerous firms.