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An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and ...
Operation. The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.
Smart lock. A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...
Power door locks. Power door locks (also known as electric door locks or central locking) allow the driver or front passenger to simultaneously lock or unlock all the doors of an automobile or truck, by pressing a button or flipping a switch . Power door locks were introduced on the luxury Scripps-Booth in 1914, but were not common on luxury ...
Remote keyless 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 or vehicle by using an electronic remote control (activated by a handheld device or automatically by proximity). [1] RKS largely and quickly superseded keyless entry ...
Lockitron. Lockitron is a device which can lock and unlock doors via remote control, typically via a smartphone. Starting with installations in 2010, it is one of the earliest examples of a smart lock. Lockitron was made by Apigy Inc., a start-up based in Mountain View, California. Apigy was a graduate of the Y Combinator start-up accelerator.
Electronic tagging. An electronic ankle tag. Electronic tagging is a form of surveillance that uses an electronic device affixed to a person. In some jurisdictions, an electronic tag fitted above the ankle is used for people as part of their bail or probation conditions. It is also used in healthcare settings and in immigration contexts.
Locking differential. A locking differential is a mechanical component, commonly used in vehicles, designed to overcome the chief limitation of a standard open differential by essentially "locking" both wheels on an axle together as if on a common shaft. This forces both wheels to turn in unison, regardless of the traction (or lack thereof ...
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