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When the identification code of the key matches the identification code of the lock, all available keys are operated to unlock. The internal structure of the lock contains a cylinder, which has a contact (lock slot) that is in contact with the key, and a part of it is an electronic control device to store and verify the received identification ...
The virtual keys could be distributed over the internet on demand, and can also be revoked on demand. [4] The door could also be locked or unlocked via an SMS "key" for those without smartphones. [5] All models of Lockitron allowed for a traditional lock which continues to work with traditional metal keys. [6]
Locks are usually re keyed to build master-key systems, make a set of locks share a common key, or to eliminate compromised keys. [2] [3] [4] Sometimes worn pins are replaced with new pins if the old pins become too short to reach the shear-line. [5] The shear-line is the thin line shared by the lock plug and its cylindrical housing. If a pin ...
Two hikers, for example, can leave the keys in the glove box, lock the door, and either hiker can return later to access the vehicle via their own code. The keypad also allows a user to walk away from a running vehicle, e.g., to warm up the vehicle in cold weather, returning to unlock the vehicle by the keypad.
Lock designs became significantly more complicated in the 18th century, and locksmiths often specialized in repairing or designing locks. Although fitting of keys to replace lost keys to automobiles and homes, and the changing of keys for homes and businesses to maintain security is still an important part of locksmithing, according to a 1976 ...
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 ...
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