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Lock picking is the practice of unlocking a lock by manipulating the components of the lock device without the original key. Although lock-picking can be associated with criminal intent , it is an essential skill for the legitimate profession of locksmithing , and is also pursued by law-abiding citizens as a useful skill to learn, or simply as ...
VingCard Elsafe, whose origin was in Moss, Norway, is an international producer of hotel locking systems, electronic in-room safes and energy management systems.After inventing the first mechanical hole card operated lock in 1976, VingCard was acquired in 1994 by ASSA ABLOY, and merged with the electronic safe producer Elsafe [2] to form VingCard Elsafe in 2006.
A lock bypass is a technique in lockpicking, of defeating a lock through unlatching the underlying locking mechanism without operating the lock at all. It is commonly used on devices such as combination locks, where there is no natural access (such as a keyhole) for a tool to reach the locking mechanism. Because the mechanism itself is not ...
Each tenant is given a key that only unlocks their own door, called the change key, but the second key is the master key, which unlocks all the doors, and is usually kept by the building manager, so they can enter any room in the building. In a master-keyed lock, some or all of the pin chambers in the lock have three pins in them instead of two.
Type of lock (e.g., combination, key, time lock, electronic locking) Location (e.g., wall safe, floor safe) Smart safes as part of an automated cash handling system; It is often possible to open a safe without access to the key or knowledge of the combination; this activity is known as safe-cracking and is a popular theme in heist films.
The normal key on the left will open only the lock that it goes to, but the skeleton key on the right will open any lock with this particular keyhole. Two warded lock keys and a homemade skeleton key A skeleton key (also known as a passkey [ 1 ] ) is a type of master key in which the serrated edge has been removed in such a way that it can open ...
Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and removed without re-keying the lock cylinder; fine access control, where time and place are factors; and transaction logging, where activity is recorded. Electronic locks can also be remotely monitored and ...
In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt. [6] Key pin In a pin tumbler lock, the key pin is in contact with the key. It has varying lengths, corresponding to the key's ...