Ad90 Transponder Key Duplicator User Manual

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Please help improve it or discuss these issues on the talk page. This article needs additional citations for verification. The examples and perspective in this article may not represent a worldwide view of the subject. A typical key is a small piece of metal consisting of two parts: the bit or blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.

Keys provide an inexpensive, though imperfect, method of access control for access to physical properties like buildings, vehicles and cupboards or cabinets. As such, keys are an essential feature of modern living, and are common around the world. The earliest known lock and key device was discovered in the ruins of Nineveh, the capital of ancient Assyria. Locks such as this were later developed into the Egyptian wooden pin lock, which consisted of a bolt, door fixture, and key.

The warded lock was also present from antiquity and remains the most recognizable lock and key design in the Western world. The first all-metal locks appeared between the years 870 and 900, and are attributed to the English craftsmen. It is also said that the key was invented by Theodore of Samos in the 6th century BC. Affluent Romans often kept their valuables in secure boxes within their households, and wore the keys as rings on their fingers.

The practice had two benefits: It kept the key handy at all times, while signaling that the wearer was wealthy and important enough to have money and jewelry worth securing. Alpuente, second half of the XX century. With the onset of the Industrial Revolution in the late 18th century and the concomitant development of precision engineering and component standardisation, locks and keys were manufactured with increasing complexity and sophistication. The lever tumbler lock, which uses a set of levers to prevent the bolt from moving in the lock, was perfected by Robert Barron in 1778. The lever tumbler lock was greatly improved by Jeremiah Chubb in 1818. A burglary in Portsmouth Dockyard prompted the British Government to announce a competition to produce a lock that could be opened only with its own key. In 1820, Jeremiah joined his brother Charles in starting their own lock company, Chubb.

The designs of Barron and Chubb were based on the use of movable levers, but Joseph Bramah, a prolific inventor, innovated an alternative method in 1784. The earliest patent for a double-acting pin tumbler lock was granted to American physician Abraham O. Stansbury in England in 1805, but the modern version, still in use today, was invented by American Linus Yale, Sr. Despite some improvement in key design since, the majority of locks today are still variants of the designs invented by Bramah, Chubb and Yale. A pin tumbler lock key is commonly found on homes. Once all the levers have been moved to the correct height, the locking bolt is free to slide across and secure the door. The teeth or bittings of the key have flat tops rather than being pointed.

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Lever locks are more commonly found in Argentina, the United Kingdom, and parts of Scandinavia. It has a hollow, cylindrical shaft that is usually much shorter and has a larger diameter than most conventional keys. The modern version of this type of key is harder to duplicate as it is less common and requires a different machine from regular keys. These keys typically come in four and eight-pin models.

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Tubular keys were invented in 1934 by the Chicago Lock company in Chicago, IL under the ACE brand. A Maison key system is a keying system that permits a lock to be opened with a number of unique, individual keys. Maison key systems are often found in apartment building common areas, such as main entrance or a laundry room where individual residents can use their own apartment key to access these areas. Because of the inherent lack of security in the Maison key system, some jurisdictions prohibit the use of Maison key systems in apartment and condominium complexes. In such locations, access is usually facilitated by either a high-security, key-controlled system or the use of electronic access control systems such as a card reader. Modern key designs are usually symmetrical, and some use grooves on both sides, rather than a cut edge, to actuate the lock.

It has multiple uses for the automobile with which it was sold. In the latter, the switch is between the seats, preventing damage to the driver’s knee in the event of a collision. Keyless entry systems, which use either a door-mounted keypad or a remote control in place of a car key, have become a standard feature on most new cars. Some high-tech automotive keys are billed as theft deterrents. Mercedes-Benz uses a key that, rather than have a cut metal piece to start the car, uses an encoded infrared beam that communicates with the car’s computer. If the codes match, the car can be started. A switchblade key is basically the same as any other car key, except in appearance.

The switchblade key is designed to fold away inside the fob when it is not being used. Switchblade keys have become very popular recently because of their smart compact look. These type of keys are also commonly referred as Flip Keys. Because switchblade keys are only developed for new car models, they are usually equipped with a programmed transponder chip. Automobiles had door keys earlier, but the first ignition keys that also operated the starter mechanism were introduced by Chrysler in 1949.

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Among the innovations of primary interest to the driver is the combination ignition and starter switch which eliminates the starter button. The car starts by turning the ignition key slightly beyond the ‘ignition on’ position. When released, the key automatically returns to ‘ignition on’. Aside from the convenience to the driver, this starter makes it impossible for children to move a car which has been left in gear by pushing the starter button. In the 1950s, early versions of “flip keys” resembling jack knives were made by the Signa-Craft company out of New York with various period U. Dream Cars” like the Pontiac Strato-Streak and the Cadillac El Camino featured on them.

These are now popular with collectors. Signa-Craft and other manufacturers like Curtis, Taylor Locks, and Mr. Key also produced keys for many 1950’s-1970’s makes and models known as “Crest Keys”. These were automotive keys that featured an enameled rendition of the auto manufacturer’s logo on the bow and were plated in 14k gold. During the early 1960s, these special keys became so popular that oil companies like Mobil, Texaco, and Union 76 began issuing their own logoed versions as promotional items for their customers.

Meanwhile, companies like Hurd and Briggs and Stratton were making OEM key blanks with automaker’s logos on them. These became known as “Logo Blanks”. These key blanks were the same as the original keys issued by the automaker and allowed an enthusiast to maintain the stock look of his or her keys. Picky car show judges will often score a vehicle down for not having a correct OEM set of keys with the original lock code stamped on them.

Typically the key has an identical wavy groove on the back of the blade, making it symmetrical so it works no matter which way it is inserted. These keys must be cut by special key cutting machines made for them. Transponder keys may also be called “chip keys”. Transponder keys are automotive ignition keys with signal-emitting circuits built inside. When the key is turned in the ignition cylinder, the car’s computer transmits a radio signal to the transponder circuit. The circuit typically has a computer chip that is programmed to respond by sending a coded signal back to the car’s computer. If the circuit does not respond or if the code is incorrect, the engine will not start.

Many cars immobilize if the wrong key is used by intruders. A double-sided key is very similar to a house or car key with the exception that it has two sets of teeth, an upper level standard set of teeth and a lower, less defined set of teeth beside it. This makes the double-sided key’s profile and its corresponding lock look very similar to a standard key while making the attempt to pick the lock more difficult. A paracentric key is designed to open a paracentric lock.

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It is distinguishable by the contorted shape of its blade, which protrudes past the centre vertical line of the key barrel. Instead of the wards on the outer face of the lock simply protruding into the shape of the key along the spine, the wards protrude into the shape of the key along the entire width of the key, including along the length of the teeth. Another way to describe a paracentric key is that the cylinders are not in a straight line, but can vary to the right or left, so that the key not only has to have the correct height of the pin for a cylinder, the pin is also extended to the left or right of the center of the key. Abloy keys are cut from a metal half-cylinder. The cuts are made at different angles, so when the key is turned in the lock it rotates each disk a different amount.

Nearly all the houses in Finland use Abloy keys, although they are also widely used in various locales worldwide. These locks are considered very secure and almost impossible to pick. A dimple key has a rectangular blade with various cone-shaped dimples drilled into the face of the blade at various depths. Typically the lock has 2 rows of pins that match up with 2 rows of dimples. Typically the key has the same dimple pattern on the back of the blade, making it symmetrical so it works no matter which way it is inserted.

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Kaba and Dom are manufactures of dimpled keys. These keys are relatively easy to not only pick, but also make impressions of. The term derives from the fact that the key has been reduced to its essential parts. In US English usage, “skeleton key” is also used to mean a standard lever lock key. A Cruciform key has three sets of teeth at 90 degrees to each other with a flattened fourth side.

Though this type of key is easy to duplicate, the extra sets of teeth deter lockpicking attempts. A magnetic keyed lock is a locking mechanism whereby the key utilizes magnets as part of the locking and unlocking mechanism. A magnetic key would use from one to many small magnets oriented so that the North and South poles would equate to a combination to push or pull the lock’s internal tumblers thus releasing the lock. This is a totally passive system requiring no electricity or electronics to activate or deactivate the mechanism. A keycard is a flat, rectangular plastic card with identical dimensions to that of a credit card or driver’s license that stores a physical or digital signature that the door mechanism accepts before disengaging the lock.

Keycards are frequently used in hotels as an alternative to mechanical keys. New smart lock technologies are gradually integrating and bringing keycard technology to smartphones. A smart key is an electronic access and authorization system which is commonly available as an option or standard in several cars. However, with the hastened development of mobile and smart technologies, house and office keys are increasingly integrated into smartphones, where they act as virtual keys and access rights for users. With an individually keyed system, each cylinder can be opened by its unique key. This system allows for a number of cylinders to be operated by the same key. It is ideally suited to residential and commercial applications such as front and back doors.

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This system is widely used in apartments, office blocks and hotels. It is often combined with a master-keyed system in which the key is kept by the landlord. For the shotgun of the same name, see Door breaching and KAC Masterkey. A master key operates a set of several locks. Usually, there is nothing special about the key itself, but rather the locks into which it will fit. A common misconception is that master keyed locks are more secure than single keyed locks, but that is not the case.

The fact that some pin chambers have two shear points allows for more options when picking and it also allows for more keys to operate. 64 keys if there are two shear points in each chamber. Larger organizations, with more complex systems, may have several levels of master keys, where the top level key works in all of the locks in the system. To visualize this, it can be thought of as a hierarchical chart, or a tree. A practical attack exists to create a working master key for an entire system given only access to a single master-keyed lock, its associated change key, a supply of appropriate key blanks, and the ability to cut new keys.

Locksmiths may also determine cuts for a replacement master key, when given several different key examples from a given system. A control key is a special key used in removable core locking systems. The control key enables a user, who has very little skill, to remove from the core, with a specific combination, and replace it with a core that has a different combination. Different key cutting machines are more or less automated, using different milling or grinding equipment, and follow the design of early 20th century key duplicators.

Key duplication is available in many retail hardware stores and as a service of the specialized locksmith, though the correct key blank may not be available. More recently, online services for duplicating keys have become available. Do Not Duplicate to advise that key control is requested, but in the US, this disclaimer has no legal weight. Rather than using a pattern grinder to remove metal, keys may also be duplicated with a punch machine. The key to be duplicated is measured for the depth of each notch with a gauge and then placed into a device with a numeric slider. The slider is adjusted to match the corresponding measured depth and a lever is depressed, which cuts the entire notch at once.

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Duplicating keys by this process is more labor intense and requires somewhat better trained personnel. However, keys made in this fashion have clean margins and the depth of the notches are not subject to wear induced changes encountered when heavily worn keys are duplicated using a pattern grinder. Keys may also be made in this fashion without an original as long as the depth of each notch and the type of key blank are known. The key to be duplicated is placed in one vise and the blank key to be cut in a corresponding vise under the cutting disk.

The vise carriage is then into such position by means of a lateral-feed clutch that the shoulders of both the pattern and blank keys just touch the guide disk and cutter respectively. In recent years, dual key cutting machines have come on to the market, enabling cutting of both mortice and cylinder keys on one machine. These machines are primarily manufactured in the Far East and save a key cutter a significant amount of money compared with using two separate dedicated machines. The Associated Locksmiths of America, ALOA, calls DND keys “not effective security”, and “deceptive because it provides a false sense of security. A restricted keyblank has a keyway for which a manufacturer has set up a restricted level of sales and distribution.

Restricted keys are often protected by patent, which prohibits other manufacturers from making unauthorized productions of the key blank. In many cases, customers must provide proof of ID before a locksmith will cut additional keys using restricted blanks. Another way to restrict keys is trademarking the profile of the key. For example, the profile of the key can read the name of the manufacturer. The advantage of a trademark is that the legal protection for a trademark can be longer than the legal protection for a patent.

However, usually not all features of the profile are necessary to create a working key. Design Methodology and Relationships with Science: Introduction. International Symposium on History of Machines and Mechanisms. Archived from the original on 20 April 2010. Archived from the original on 18 January 2013. Archived from the original on 9 December 2012.

Archived from the original on 22 March 2015. High-Security Mechanical Locks: An Encyclopedic Reference. Encyclopaedia of Locks and Builders Hardware. Archived from the original on 23 September 2006. The Complete Book of Locks and Locksmithing.