EP0424356B1 - Cylindre de fermeture - Google Patents

Cylindre de fermeture Download PDF

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Publication number
EP0424356B1
EP0424356B1 EP90890279A EP90890279A EP0424356B1 EP 0424356 B1 EP0424356 B1 EP 0424356B1 EP 90890279 A EP90890279 A EP 90890279A EP 90890279 A EP90890279 A EP 90890279A EP 0424356 B1 EP0424356 B1 EP 0424356B1
Authority
EP
European Patent Office
Prior art keywords
code
key
lock
cylinder
programming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90890279A
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German (de)
English (en)
Other versions
EP0424356A1 (fr
Inventor
Wilhelm Gantner
Heinz Luef
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grundmann Schliesstechnik GmbH
Original Assignee
GRUNDMANN SCHLIESSTECHNIK
Grundmann Schliesstechnik GmbH
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Publication date
Application filed by GRUNDMANN SCHLIESSTECHNIK, Grundmann Schliesstechnik GmbH filed Critical GRUNDMANN SCHLIESSTECHNIK
Publication of EP0424356A1 publication Critical patent/EP0424356A1/fr
Application granted granted Critical
Publication of EP0424356B1 publication Critical patent/EP0424356B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • E05B49/006—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks actuating opto-electronic devices

Definitions

  • the invention relates to a lock cylinder with a cylinder core rotatable in a lock housing and with tumblers which can be pushed into a release position from a core and housing bridging position by a key which can be inserted into a key channel of the cylinder core, and with at least one the lock housing and the cylinder core and the Key channel in the cylinder core penetrating hole, in which a radiation source, for example an infrared transmission diode for transmitting a signal, and opposite this a sensor is provided, to which a receiver and a comparison circuit for comparing a signal caused by recesses in the key by stopping the beam path when plugged in with a or several code signals which can be stored in at least one code memory is connected downstream, an electromagnetic interlock in the lock cylinder or in a mortise lock being connected to the comparison circuit sen and only one sensor is provided and two threshold values are set in the receiver for the analog signal arriving from this sensor and obtained only from a signal track of the key, and the signals detected above the lower
  • Access control systems which operate on the basis of punched card codes or with magnetic track codes.
  • a punch card or check card replaces the key.
  • Electronic or mechanical readers determine the card code and, based on the target / actual comparison with the stored codes, derive the cardholder's possible blocking authorization.
  • the key spine of a flat key for a cylinder lock bears marks in the form of incisions, the position of which relative to one another results in the code which, in addition to the mechanical locking mechanism, controls an electromechanical locking device.
  • Lock cylinders are also known which, in addition to the mechanical pin tumblers, have an electronic locking level.
  • the key is coded in addition to the variation criteria of the key profile and the toothing in such a way that a target / actual comparison is carried out electronically on the lock side after code recognition.
  • Such a lock therefore only locks when the key profile fits into the key channel, when the toothing moves the core and housing pins of the cylinder into the parting area between the core and the housing and when code correspondence between the key and the lock has been determined.
  • the specialist literature reveals active key systems, static passive key systems and dynamic passive key systems. In the active key systems, a transmitter is provided in the key, which sends a code to the lock for comparison with the lock-side code.
  • Static passive key systems include a key with marks such as notches or bores, which are scanned as soon as the key is fully inserted into the lock and at least briefly comes into contact with the builder. The snapshot of the coding is subjected to the target / actual comparison, which then leads to unlocking if there is a match.
  • the key code is successively removed during the insertion movement as it slides past reading heads, one after the other incoming signals are stored and the memory content is then subjected to a target comparison.
  • Typical representatives of the aforementioned active key systems can be found in DE-OSen 30 05 890, 29 22 230 and 30 06 128.
  • Transmitters are housed in the key, the code of which can be reprogrammed or changed by a random number generator in synchronism with the lock code during each locking process. These systems are not only complex, but also prone to malfunction due to the wireless transmission path.
  • DE-OS 1 553 363 relates to a static passive key system.
  • the key which has a perforated pattern, is inserted into the key channel.
  • One key side is illuminated over the entire area. Light only passes through in the hole positions and activates photocells that trigger the unlocking process.
  • This system requires a large-area light source and a large number of photocells, so that this construction is not suitable for adapting conventional cylinder locks.
  • Static passive systems are also shown in DE-OS 29 25 214 and DE-AS 25 16 283. While in the first case, when the key is in the idle state, a key hole pattern lies between a large-area radiation source and a chain of light-sensitive elements of the lock, it is in second case notches in the key back. All such static passive key systems require large-volume fittings in the lock, which, as mentioned, preclude the adaptation of existing, highly specialized locking cylinders.
  • a dynamic passive key system is known from CH-PS 640 297.
  • the key itself has at least two code tracks on a non-mechanical basis, from which when inserted into the key channel by means of at least two lock-side read heads, clock information and code information associated with the clocks are derived.
  • the clock information is required because every person inserts the key at different speeds and the insertion speed does not keep constant over the entire depth of the key channel.
  • the effort with two tracks and associated with two or even four reading heads is great, in particular the reading heads require a lot of electrical energy.
  • a security system of the latter category is known from EP-A-0 391 929.
  • Flat keys are used whose beard profile is optically scanned.
  • a special embodiment also provides for scanning bores which are provided one behind the other in the direction of insertion in the beard area and which have different diameters in order to distinguish between clock and code signals.
  • the invention is based on such a system, which aims at a particularly practical coding, in particular recoding of the key-lock combination in the event of a key loss or a change in the locking hierarchy.
  • the electronic criteria should be unconditionally superimposed on a high-quality key-lock combination on a cylinder basis, so that in particular the diversity of variations is increased and changes can also be made retrospectively regarding the locking authorization on site without replacing the lock.
  • This object is achieved by the teaching given in the characterizing part of claim 1.
  • the systems of the effective recoding can be used to increase the security of a single cylinder as well as for the flexible design of a locking system and for the immediate assignment and withdrawal of blocking authorizations for the single cylinder as well as for the system.
  • the electronics scanning the mechanical code of the key ensure an enormous increase in variation and flexibility.
  • the lock code changes cyclically without additional effort as soon as a new key is inserted, for example if the old key is lost becomes. The previously valid lock code will become ineffective.
  • An advantage of this system is therefore that such a locking cylinder can be reprogrammed by the owner himself at any time.
  • the code memory can be switched through to the receiver for programming or reprogramming key codes by means of a predetermined control code, for example a programming key. This makes the code memory accessible.
  • a programmable memory can be provided, which deletes all previously entered codes when a programming key is inserted and is briefly open for reprogramming by successively inserting all of the keys authorized to lock.
  • programming can also be ended by inserting the program key again. If, for example, a key is given to a craftsman for a short period of time, the blocking authorization for this key can be revoked at night, at the weekend or after work has ended.
  • the code memory has memory locations, the codes of which can be entered individually by means of a pluggable or optically or inductively coupled programming device.
  • the programming device can individually access the memory locations of this code memory.
  • a clock chip can be assigned to the code memory, so that certain blocking authorizations can take place as a function of time. For example, employees' office keys can only be locked on weekdays between 8 and 6 p.m.
  • the watch chip may also be connected to an event log that includes every attempt to lock, including of the key code, registered under the time and date.
  • the event memory can be read out by means of optical, inductive coupling or via a plug by means of a reader, at most with a printer.
  • a special embodiment is characterized in that the radiation source and the sensor are provided in a rosette which can be pushed over the locking cylinder. It is also advantageous if the energy of the radiation source via isolated mounting screws in the rosette from a battery in a housing, which is preferably designed as part of a long plate of the fitting opposite the rosette, as well as the received signal from the sensor via these mounting screws in the housing provided receiver and then the comparison circuit can be fed.
  • Fig. 1 shows a schematic representation of the lock area of a door with mortise lock and lock cylinder together with a block diagram for the functional representation
  • Fig. 2 shows the lock cylinder together with a rosette in front view
  • Fig. 3 shows a key.
  • a standard lock cylinder 1 is inserted in a mortise lock 2 of a door 3.
  • the lock cylinder 1 has a bore 4 which passes through the lock housing 5 and the cylinder core 6 and the key signal 7.
  • a rosette 8 is slid over the part of the locking cylinder 1 projecting outward beyond the door surface, in which a bore is also provided, which is aligned with the bore 4 in the locking cylinder.
  • In the rosette bore there is on the one hand an infrared transmitter diode 9 and on the other hand an infrared sensor 10, the signal of which is fed to a receiver 11.
  • the incoming signal is compared in receiver 11 with two threshold values. If the lower threshold is exceeded, the receiver recognizes a clock signal; if the upper threshold is also exceeded, then a code signal ("1") is present.
  • the bores 13, 14 provided in the key bit, 15, 16, 17, 18, 19 and 20 the infrared beam between the transmitter diode 9 and the sensor 10.
  • the sensor emits signals of different strengths which result in a clock sequence 21 and lead a code sequence 22.
  • the latter represents the electronic image of the mechanical hole track 13 to 20.
  • the holes 14, 15 and 17, that is to say the second, third and fifth holes are larger in cross section than the other holes. The cross-sectional difference does not have to relate to the bore diameter, but concerns the effective dimming of the infrared beam.
  • holes of the same size could also be used, which are offset in height for a smaller passage cross-section compared to the central axis of the infrared beam on the key.
  • the bores could also run obliquely to the axis of the light beam in the key bit.
  • the passage cross-section effective for the dimming can also be influenced thereby.
  • all bores 13 to 20 give a signal when the key 12 is inserted into the key channel 7, which signal lies above the lower threshold of the receiver 11. This is indicated by eight clock pulses from clock track 21.
  • the larger passage cross section of the key bores 14, 15 and 17 results in a signal of higher amplitude, which not only exceeds the lower but also the upper threshold in the receiver 11. Opposite the clock track 21, these signals are at the clock positions two, three and five.
  • the code for key 12 is therefore 01101000.
  • the determined code is compared in a comparison circuit 23 with a target code. If the code matches, an electromagnetic lock 25 is lifted via a line 24, which acts in the mortise lock on the bolt or the bolt mechanism or in the lock cylinder on the cylinder core, the locking lug or the coupling between the cylinder core and locking lug.
  • the target code or codes that is to say those codes which lead to the unlocking of the electromechanical locking mechanism, are contained in FIG. 1 in three memories or memory groups, which in a practical case Execution can be realized together or alternatively.
  • the code memory 26 comprises three target codes (C1, C2, C3), of which only the first code C1 is initially effectively compared to the actual code performed via the code track 22 to the comparison circuit 23. As soon as a key with the code C2 is inserted into the key channel 7, the code C2 is activated. C1 and C3 are ineffective.
  • a freely reprogrammable memory 27 can be provided which contains the codes C n as target codes.
  • the memory 27 can be opened for reprogramming by a code key, the code of which is compared with a special code K of a read-only memory 29 in the comparison circuit 28. If the key code of the programming key matches K, then a signal is sent to the code memory 27 or all codes of the keys subsequently inserted are stored in the memory 27. All original codes can be deleted for the time being, or the memory locations can be reassigned in sequence.
  • the memory 27 can be opened, for example, for 2 minutes for reprogramming or reprogramming. This is indicated by a clock chip 30 and the dashed operative connection to the memory 27.
  • the reprogramming phase can also be ended by inserting the programming key again.
  • a third memory system comprises memories 31, 32, 33 and 34, the memory locations of which can be specifically accessed.
  • a programming device 35 is provided, which is connected to the storage system via induction coils 36, 37.
  • the aforementioned storage system allows the locking authorization to be coupled with a period of time, as is shown by the dashed active connection between the clock chip 30 and the memory 31.
  • An event memory 38 is also provided, which records all incoming codes simultaneously with the date and time (control lines 39, 40). Furthermore, it is also recorded whether the code has released the electromechanical locking mechanism 25.
  • the event memory 38 can be read out via an inductive coupling 41, 42 by means of a display device 43 at most with a log printer 44.
  • the circuit has a battery 45 for energy supply, only one circuit to the infrared red diode being symbolically shown in FIG. 1.
  • the battery 45 can be charged by means of an inductively coupled AC voltage via a rectified charger 46.
  • the voltage supply can also take place without a battery, for example only with buffering via a capacitor with high capacitance via inductive coupling from the network with the interposition of a transformer (bell transformer).
  • a single, common induction coil can be used for the inductive coupling of the programming device 35, the reading device 43, and the external voltage.
  • a beep sounds as a signal for a positive code comparison by connecting an acoustic detector to line 24.
  • the beep is no longer used as a warning and that the battery will be replaced as soon as possible should.
  • voltage could be applied from the outside via the inductance (e.g. charging the aforementioned capacitor). Even if the voltage of the battery drops, the entire electronic system can be deactivated, so that only the mechanical locking criteria of a conventional locking cylinder are available for security and locking.
  • the mortise lock can be designed as a panic lock, ie the bolt can be withdrawn with the inside handle.
  • the inside handle is decoupled from a possible outside handle. While unlocking and locking from the outside of the door the agreement of the electronically mechanical code requires, the mechanical unlocking of the locking cylinder is sufficient for locking from the inside in one embodiment. "Unlocking" is done from the inside using the handle.
  • a rosette with an infrared light barrier can also be provided on the inside of the door or lock.
  • the eight-digit code was only mentioned in the exemplary embodiment. In practice, codes of 14 and more digits can be used, for example four digits being used to represent a checksum. This means that the read code can be checked and a reading error can even be corrected.
  • a groove can be provided on both sides of the key bit, in the bottom of which the bores 13 to 20 lie. In this case, the grooves can be poured out so that the potting compound does not protrude over the surface of the key bit.

Landscapes

  • Lock And Its Accessories (AREA)
  • Chairs Characterized By Structure (AREA)
  • Fluid-Damping Devices (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Pens And Brushes (AREA)

Claims (3)

  1. Cylindre de fermeture avec un coffre (6) tournant dans un rotor (5) et des gorges déplaçables en une position de déverrouillage par une clé (12) enfichable dans un canal de clé (7) du rotor (6), à partir d'une position joignant le rotor et et le coffre, et avec au moins un alésage (4) traversant le coffre (5) et le rotor (6), ainsi que le canal de clé (7) dans le rotor (6), dans lequel est prévue une source de rayonnement, par exemple une diode émettrice infrarouge (9) pour la transmission d'un signal, et en face de celle-ci un capteur (10) auquel sont intercalés en arrière un récepteur (11) et et un circuit comparateur (23) pour la comparaison du signal provoqué par des orifices (13-20) de la clé (12) au moment de l'insertion par l'atténuation de la marche des rayons, avec un ou plusieurs signaux-code mémorisables dis au moins une mémoire de code (26, 27, 31-34), un verrouillage électromagnétique (25) dans le cylindre (1) ou dans un bec de cane (2) étant connecté au circuit comparateur, et un seul capteur (10) étant prévu et deux valeurs-seuil pour le signal analogique parvenu à partir de ce capteur (10) et obtenu à partir d'une seule piste de signal de la clé (12), étant réglées dans le récepteur, et que les signaux constatés au-dessus du seuil inférieur sont des signaux de synchronisation (piste de synchronisation 21) et que les signaux constatés au-dessus du seuil supérieur sont des signaux-code (piste d'information 22), qui sont connectés sous forme de code rythmé au circuit comparateur (23), à la seconde entrée duquel se trouve au moins une mémoire de code (26,27,31-34), caractérisé en ce que la mémoire de code (26) comprend plusieurs codes (C1, C2, C3) interrogeables successivement par voie cyclique, chacun activable individuellement par l'insertion d'une clé contenant le nouveau code, le code antérieur étant en même temps désactivé dans la mémoire de code (6), et resp. ou que la mémoire de code (27) pour la programmation resp. la reprogrammation de codes de clés est connectable avec le récepteur (11), par un code de commande prédéterminé, par exemple par une clé de programmation, et resp. ou que la mémoire de code présente des positions de mémoire (31, 32, 33, 34) dont les codes peuvent être entrés individuellement moyennant dispositif de programmation (35, 36) enfichable ou à couplage optique resp. inductif.
  2. Cylindre selon la revendication 1, caractérisé en ce que la source de rayonnement (9) et le capteur (10) sont prévus dans une rosette (8) emboîtable sur le cylindre (1).
  3. Cylindre selon la revendication 2, caractérisé en ce que tout comme le signal reçu du capteur (10), l'énergie de la source de rayonnement (9) peut être amenée vers le récepteur (11) prévu dans le boîtier et ensuite vers le circuit comparateur par des boulons de montage menés de manière isolée dans la rosette (8) à partir d'une pile (45) dans un boîtier qui est aménagé de préférence comme partie d'une plaque de propreté de la ferrure opposée à la rosette (8).
EP90890279A 1989-10-20 1990-10-11 Cylindre de fermeture Expired - Lifetime EP0424356B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0241789A AT391909B (de) 1989-10-20 1989-10-20 Schliesszylinder und zylinderschluessel
AT2417/89 1989-10-20

Publications (2)

Publication Number Publication Date
EP0424356A1 EP0424356A1 (fr) 1991-04-24
EP0424356B1 true EP0424356B1 (fr) 1995-03-22

Family

ID=3533969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90890279A Expired - Lifetime EP0424356B1 (fr) 1989-10-20 1990-10-11 Cylindre de fermeture

Country Status (3)

Country Link
EP (1) EP0424356B1 (fr)
AT (2) AT391909B (fr)
DE (1) DE59008752D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677682A (en) * 1992-08-05 1997-10-14 Thorsen; Anders Christian Electronic lock system
DE4403728A1 (de) * 1994-02-07 1995-08-10 Winkhaus Fa August Schließzylinder-Schlüssel-System
DK174939B1 (da) 2002-04-11 2004-03-08 Ruko As Elektro-mekanisk cylinder-lås-nøgle kombination med optisk kode og nøgle dertil
CN102003119B (zh) * 2010-11-15 2013-05-08 唐名姣 一种安全锁及其钥匙

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE429884B (sv) * 1979-06-05 1983-10-03 Thelin & Co Id Select Elektroniskt las
US4558175A (en) * 1982-08-02 1985-12-10 Leonard J. Genest Security system and method for securely communicating therein
GB2127479B (en) * 1982-09-18 1987-04-08 Sr John Maxwell Mullin Security device
GB2169947A (en) * 1984-12-13 1986-07-23 Lowe & Fletcher Ltd Fastener
US4868559A (en) * 1987-10-02 1989-09-19 Universal Photonix, Inc. Security system employing optical key shape reader

Also Published As

Publication number Publication date
ATE120253T1 (de) 1995-04-15
AT391909B (de) 1990-12-27
EP0424356A1 (fr) 1991-04-24
DE59008752D1 (de) 1995-04-27
ATA241789A (de) 1990-06-15

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