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The passive electronic lock integrates a miniature electronic single-chip microcomputer. There is no mechanical keyhole, only three metal contacts are retained. When unlocking, insert the electronic key into the keyhole of the passive electronic lock, that is, the three contacts on the head end of the key are in contact with the three contacts ...
A remote control for a keyless entry system built into an ignition key: pressing a button on the key unlocks the car doors, while another button locks the car and activates its alarm system. A remote keyless system (RKS), also known as remote keyless entry (RKE) or remote central locking, is an electronic lock that controls access to a building ...
The remote locking system confirms successful locking and unlocking through either a light or a horn signal, and usually offers an option to switch easily between these two variants. Both provide almost the same functionality, though light signals are more discreet while horn signals might create a nuisance in residential neighborhoods and ...
In high-security buildings, access control systems are sometimes set up so that ability to open one door requires another one to be closed first. Such setups are called a mantrap. Interlocks can be used as a high level entrance security. There are two kinds of interlocking systems for security.
Kwikset is an American lock and lockset manufacturer owned by Assa Abloy.Originally Gateway Manufacturing Company, Kwikset was founded in California in 1946 by Adolf Schoepe, and Karl Rhinehart.
However, if the card readers communicate with a central system, it is the system that unlocks the door, not the card reader alone. [3] This allows for more control over the locks; for example, a specific card may only work on certain days of the week or time of day. Which locks can be opened by a card can be changed at any time.