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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 ...
Door entry systems allow secure access to buildings and residential complexes, but have become increasingly digitized, making them vulnerable to both physical and remote compromise.
Entrance to HM Prison Edinburgh. 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.
A broad range door manufacturer, Premdor (now Masonite) once stated in one of its 1990s brochures entitled "Premdor Entry Systems" page 6 that "The results of tests were overwhelming, Steel edged doors outperform wood-edged doors by a ratio of 7 to 1. When you consider the practically two-thirds of all illegal entries were made through doors...
The sixth generation Buick Electra (1985-1991) featured a sill-mounted keypad for model years 1985-1988, superseded in 1989 by a remote keyless entry system. Nissan offered the same door keypad technology on the 1984 Maxima, Fairlady, Gloria and Cedric, essentially using the same approach as Ford, with the addition of being able to roll the ...
An access control system determines who is allowed to enter or exit, where they are allowed to exit or enter, and when they are allowed to enter or exit. Historically, this was partially accomplished through keys and locks. When a door is locked, only someone with a key can enter through the door, depending on how the lock is configured.
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