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a patent lock

См. также в других словарях:

  • Lock (device) — A lock is a mechanical fastening device which may be used on a door, vehicle, or container, restricting access to the area or property enclosed. Commonly, it can be released by using a key or combination.History of locksSecuring one s property… …   Wikipedia

  • patent — pa|tent1 [ˈpeıtnt, ˈpæ US ˈpæ ] n [U and C] a special document that gives you the right to make or sell a new ↑invention or product that no one else is allowed to copy patent on/for ▪ He applied for a patent for a new method of removing paint. ▪… …   Dictionary of contemporary English

  • patent — 1 noun 1 (C) a special document that says that you have the right to make or sell a new invention or product and that no one else is allowed to do so: When does the patent expire? | take out a patent on sth (=get one officially) 2 (U) the right… …   Longman dictionary of contemporary English

  • Lock bumping — is a lock picking technique for opening a pin tumbler lock using a specially crafted bump key . One bump key will work for all locks of the same type.HistoryIn the 1970s, locksmiths in Denmark shared a technique for knocking on a lock cylinder… …   Wikipedia

  • Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

  • Pin tumbler lock — The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key. Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular or radial locks.… …   Wikipedia

  • Electromagnetic lock — For a lock utilizing magnetism and a key, see magnetic keyed lock. An electromagnetic lock, magnetic lock, or maglock is a locking device that consists of an electromagnet and an armature plate. By attaching the electromagnet to the door frame… …   Wikipedia

  • Magnetic lock — A magnetic lock is a simple locking device that consists of an electromagnet and armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electromagnet attracts the… …   Wikipedia

  • Combination lock — A Wordlock letter combination lock. A combination lock is a type of lock in which a sequence of numbers or symbols is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by… …   Wikipedia

  • Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …   Wikipedia

  • Vendor lock-in — In den Wirtschaftswissenschaften werden als Lock in Effekt (von to lock in: einschließen, einsperren) Kosten bezeichnet, die eine Änderung der aktuellen Situation unwirtschaftlich machen. Problematisch werden Lock in Effekte, wenn sie zu… …   Deutsch Wikipedia

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