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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. There are several common types of keycards in use ...
Lock and key. A typical modern padlock and its keys. A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or password ), by a combination thereof, or it may only ...
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
The one on the right is a skeleton key. A warded lock (also called a ward lock) is a type of lock that uses a set of obstructions, or wards, to prevent the lock from opening unless the correct key is inserted. The correct key has notches or slots corresponding to the obstructions in the lock, allowing it to rotate freely inside the lock.
Access control. A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation. In physical security and information security, access control ( AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of accessing may mean consuming ...
In 1975 he launched the holecard based recodable keycard lock, where each new hotel guest could have his/her own unique key formed by a pattern of 32 holes in a plastic card. The invention is still in worldwide hotel security use under the brand VingCard .
Key pattern is the generic term for an interlocking geometric motif made from straight lines or bars that intersect to form rectilinear spiral shapes. [1] [2] [3] According to Allen and Anderson, the negative space between the lines or bars of a key pattern “resemb [es] the L- or T-shaped slots in an ordinary key to allow it to pass the wards ...
Linus Yale Jr. Linus Yale Jr. (April 4, 1821 – December 25, 1868) was an American businessman, inventor, mechanical engineer, and metalsmith. He was a co-founder with millionaire Henry R. Towne of the Yale Lock Company, which became the premier manufacturer of locks in the United States. He was the country's leading expert on bank locks and ...
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