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Access control systems are used to identify people before granting access to secure facilities. These include card and pod readers as well as biometric equipment to identify fingerprints, thumb prints, palm prints, retinal scans, facial features, and voice patterns. Most access control systems consist of a wall-mounted access panel, a single-board computer called a door commander, and one or more sensors. The access panel mounts on the public side of the door and is often monitored by a camera. The door commander runs the algorithm that matches a user’s identification to a database of authorized entrants.

Types of Access Control Systems

There are many different types of biometric access control systems. Examples include fingerprint access control systems, fingerprint and iris access control systems, and face recognition with fingerprint backup. Fingerprint access control systems require the user to place an index finger on an image reader which compares multiple points on the finger to an encrypted formula. These biometric access control systems are used to control multiple doors and can be integrated with existing door-lock mechanisms. Iris recognition systems use a camera to compare a black and white image of the eye to a stored template. Products which compare up to 250 iris features can be used alone or in conjunction with a fingerprint access control system. Facial recognition systems compare images of faces to a database of stored images. Integral software is used to measure key nodal points such as distance between eyes, width of nose, depth of eye sockets, cheekbones, jaw line, and chin.

 

Biometric access control systems that use voice recognition technology are used to control access to account information and financial data. They can also be used to control access to telephones and other communications equipment. Before a transaction is authorized or access is granted, a user’s spoken voiceprint is compared to stored information, such as a set of spoken digits.

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Federal Signal Corporation/Industrial Systems
Federal Signal Corporation/Industrial Systems
Federal Signal Corporation/Industrial Systems
Federal Signal Corporation/Industrial Systems
Federal Signal Corporation/Industrial Systems