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  2. Access control - Wikipedia

    en.wikipedia.org/wiki/Access_control

    When access is denied based on the access control list, the door remains locked. If there is a match between the credential and the access control list, the control panel operates a relay that in turn unlocks the resource. The control panel also ignores an opening signal to prevent an alarm.

  3. Brivo - Wikipedia

    en.wikipedia.org/wiki/Brivo

    Steve Van Till (president and CEO) Carter Griffin (co-founder) Tim Ogilvie (co-founder) Mark Stein (co-founder) Products. Cloud access control system. Website. www.brivo.com. Brivo, Inc. is a smart building company providing cloud-based access control and video surveillance products for physical security and internet of things applications. [1][2]

  4. Building automation - Wikipedia

    en.wikipedia.org/wiki/Building_automation

    [3] [4] In addition to controlling the building's internal environment, BMS systems are sometimes linked to access control (turnstiles and access doors controlling who is allowed access and egress to the building) or other security systems such as closed-circuit television (CCTV) and motion detectors. Fire alarm systems and elevators are also ...

  5. Video door-phone - Wikipedia

    en.wikipedia.org/wiki/Video_door-phone

    A video door-phone (also known as a video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building ( residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is ...

  6. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary (theft) or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.

  7. Wiegand interface - Wikipedia

    en.wikipedia.org/wiki/Wiegand_interface

    The Wiegand interface is a de facto wiring standard which arose from the popularity of Wiegand effect card readers in the 1980s. It is commonly used to connect a card swipe mechanism to the rest of an access control system. The sensor in such a system is often a "Wiegand wire", based on the Wiegand effect, discovered by John R. Wiegand.

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