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A keycard lock is a lock operated by a keycard, a flat, rectangular plastic card. The card typically, but not always, has identical dimensions to that of a credit card , that is ID-1 format . The card stores a physical or digital pattern that the door mechanism accepts before disengaging the lock.
The parts included in the typical US mortise lock installation are the lock body (the part installed inside the mortise cut-out in the door); the lock trim (which may be selected from any number of designs of doorknobs, levers, handle sets and pulls); a strike plate (or box keep), which lines and reinforces the cavity in the door jamb or frame ...
Berlin key. The Berlin key (also known as, German, Schließzwangschlüssel, or, in English, forced-locking key) is a key for a type of door lock.It was designed to force people to close and lock their doors, usually a main entrance door or gate leading into a common yard or tenement block.
Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin ...
Schlage (/ ʃ l eɪ ɡ / SHLAYG) [1] [2] is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado, in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP.
ZIP codes consist of five numbers, each with its own individual meaning which helps your mail and packages end up in the right area of the country—and even the right local post office (more on ...
The software is used to set and modify the data of each key and lock. [2] Using this type of key and lock control system does not need to change user habits. In addition, compared with the previous mechanical device, its advantage is that only one key can open multiple locks instead of a bunch of keys like the current one.
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