EP0666393A1 - Système de clef et zylindre de verrouillage ainsi que système d'identification - Google Patents

Système de clef et zylindre de verrouillage ainsi que système d'identification Download PDF

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Publication number
EP0666393A1
EP0666393A1 EP94120299A EP94120299A EP0666393A1 EP 0666393 A1 EP0666393 A1 EP 0666393A1 EP 94120299 A EP94120299 A EP 94120299A EP 94120299 A EP94120299 A EP 94120299A EP 0666393 A1 EP0666393 A1 EP 0666393A1
Authority
EP
European Patent Office
Prior art keywords
key
light
markings
data
marking pattern
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.)
Withdrawn
Application number
EP94120299A
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German (de)
English (en)
Inventor
Dipl.-Ing. Siegbert Greiser
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Priority to PL95307111A priority Critical patent/PL177072B1/pl
Priority to SK16095A priority patent/SK16095A3/sk
Priority to CZ95301A priority patent/CZ30195A3/cs
Publication of EP0666393A1 publication Critical patent/EP0666393A1/fr
Withdrawn legal-status Critical Current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
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/007—Locks for use with special keys or a plurality of keys ; keys therefor the key being a card, e.g. perforated, or the like
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/26—Use of special materials for keys
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable

Definitions

  • the invention relates to a lock cylinder key system for a lock, which is secured against unauthorized unlocking by an electromechanical locking device that can be controlled by a control device, the lock cylinder being a cylinder housing and therein a cylinder core designed with a key insertion channel and rotatable about its axis by means of the key Actuation of the lock, the key further comprising machine-readable data on its part that can be inserted into the key insertion channel, which identifies it as authorized to lock the lock, and wherein the lock cylinder has a data reading device that is at least partially arranged in the cylinder housing and that is to be connected to the control device of the electromechanical locking device for capturing the data from the key and for transmitting the captured data to the control device, the control device being set up to receive the data from the data reader Check received data for the presence of the locking authorization and, if the locking authorization is determined, to put the electromechanical locking device into a state that releases the lock for unlocking.
  • a lock cylinder key system of the type mentioned above is known.
  • the key of the known system designed as a flat key, has a narrow side of the key shaft an information carrier from a number of flat or loop-shaped, electrically conductive elements, which are arranged in a certain way on an electrical non-conductive, magnetic material, the electrically conductive elements forming a machine-readable security code.
  • the locking cylinder has a reading head arranged in the cylinder housing for the electrical-inductive scanning of the data pattern from the key.
  • the read head is adjusted such that it serially records the key data when the key is inserted into the key insertion channel of the locking cylinder in order to emit a serial data signal to an evaluation circuit which controls an electromechanical locking device of the lock that is separate from the locking cylinder and releases it for unlocking the lock when she accepts the key data as valid locking authorization data.
  • the read head contains four read windings, which are supplied by the evaluation circuit with AC signals with certain different frequencies or certain phase relationships and which interact electromagnetically with the conductor pattern and the magnetic carrier material of the conductor pattern.
  • the resulting induction interaction or its reaction to the read head signals provided by the evaluation circuit is detected by the evaluation circuit and converted into a digital data signal for evaluating and checking the locking authorization of the key.
  • a disadvantage of the known locking cylinder-key system is that it is comparatively complex to prepare the key with an information carrier made of an electrically non-conductive, magnetic material, a conductor pattern provided thereon made of electrically conductive material and a protective layer for the conductor pattern.
  • it is complex and difficult is to realize a reading head in which four induction windings are housed in a very narrow space at precise distances from one another, and the problem of the possibility of mutual electromagnetic interference between the reading windings must also be pointed out.
  • the evaluation circuit of the known locking cylinder-key system must be able to provide four AC signals for the read windings of the read head, the frequencies of the AC signals having to be in precise relationships with one another in order to enable data evaluation. Such a requirement makes the evaluation circuit comparatively complicated. In this context, it should also be noted that external electromagnetic interference fields can easily lead to errors in inductive data sampling and in data transmission.
  • a key identification system is known from US Pat. No. 3,639,906, in which a flat key inserted into a key insertion channel of a lock cylinder with its mechanical notch profile moves four axially displaceably guided, spring-loaded pins into a predetermined axial position.
  • the pins At their ends remote from the key, the pins each have a block provided with a through-hole, an optical fiber extending into each through-hole, which guides light from an external light source to the relevant through-hole. Only in a very specific axial position of the pins in question are the through holes aligned with phototransistors, which only detect the light provided by the optical fibers in this position of the pins and emit them as an electrical signal to an evaluation circuit.
  • the optical fibers serve exclusively to supply the photodiodes with light energy for the electrical supply of the storage and control circuit.
  • the object of the invention is to simplify a locking cylinder key system of the type mentioned with regard to the preparation of the key with machine-readable data and with regard to data scanning from the key and the transmission of the scanned data to the control device using space-saving means that are largely insensitive to interference.
  • the machine-readable data of the key are realized by an optically detectable marking pattern and that the data reading device has lighting means for illuminating the marking pattern in the lock cylinder housing and at least one optical fiber inserted at least with its light entry end into the lock cylinder housing for optical detection of the marking pattern, wherein the optical fiber is set up to transmit light of the illuminating means coming from the marking pattern of the key in the lock cylinder housing to a photodetection device which converts the received light signal into an electrical data signal converted for the control device of the electromechanical locking device.
  • the key can easily be prepared with optically scannable markings.
  • the markings are preferably formed by depressions on the surface of the part of the key to be inserted into the key insertion channel, these depressions with intact surface sections in between representing the optically readable data pattern.
  • the depressions have different reflection and / or scattering properties for the light from the illuminants than the intact surface areas.
  • the optical fiber transmits more or less light, the light intensity differences being converted by the photodetection device into an electrical data signal, which may after corresponding binary preparation, the control device, which preferably contains a microprocessor, processes digitally.
  • the depressions in the key surface can be formed in a simple and inexpensive manner by burning in with a laser beam, scratching with a tool, chemical etching and the like.
  • Such data preparation can be performed on conventional keys, e.g. B. flat keys or key blanks.
  • the data is highly forgery-proof and comparatively insensitive to damage during normal use of the key.
  • a high density of information and accordingly a large number of closing variations can be achieved.
  • the optical data acquisition and transmission by the optical fiber is insensitive to electromagnetic interference fields and to mechanical vibrations and temperature changes, so that interference-free data transmission is possible.
  • the optical fiber designed as a glass fiber or plastic fiber or a corresponding fiber bundle used for data acquisition takes up little space in the locking cylinder, so that the space saved can be used for further security measures.
  • the optical fiber is more flexible and easy to handle compared to known induction read heads or optoelectronic data readers, as a result of which the production of the lock cylinder can be simplified and made more cost-effective.
  • the optical fiber also enables data acquisition in hard-to-reach places in the locking cylinder.
  • the control device for decoding the data and for controlling the electromechanical locking device can be accommodated, for example, in the form of an integrated circuit with a connected photodetector in the lock cylinder housing or outside the lock cylinder. If known or standardized data codes are used, existing software solutions for decoding can also be used to further reduce manufacturing costs.
  • Light filters in particular polarization filters, can be provided in the through holes.
  • the polarization change of polarized light can be used by the filter as further information, whereby the closing variations can be further increased.
  • the data reading device has a plurality of optical fibers for the parallel detection of the data marking pattern, the light entry ends of the optical fibers being arranged in a predetermined spatial relationship to one another and directed towards the key insertion channel in at least one predetermined position of the locking cylinder core, in such a way that they correspond to specific markings of the marking pattern of the key are aligned when the key has reached an end position in the locking cylinder.
  • the plurality of optical fibers can be combined to form an image-transmitting fiber bundle in order to transmit a relevant marking pattern as an image to an image sensor, for example a CCD sensor.
  • the optical fiber is set up for serial detection of the marking pattern of the key during the insertion of the key into the key insertion channel, the markings being formed one behind the other in the key insertion direction of the key.
  • the light entry end of the optical fiber is aligned in the lock cylinder housing, that the markings are passed serially past the light entry surface when the key is inserted.
  • One or more light sources accommodated in the cylinder housing for example in the form of one or more laser diodes, can be considered as illuminating means.
  • an optical fiber or a fiber bundle is preferably used to illuminate the data pattern.
  • the optical fiber used for illumination is formed separately from the optical fiber provided for data acquisition and is optically coupled to a light source which can be provided in the cylinder housing or outside the cylinder housing.
  • one and the same optical fiber or a corresponding fiber bundle is used both for lighting and for data acquisition and transmission.
  • optical data sampling is carried out by detecting the light reflected from the data pattern of the key.
  • the optical fiber is to be optically coupled at its end to be coupled to the photodetection device via a beam-splitting device with a light source in order to guide light from the light source for illuminating the marking pattern into the key channel, the beam-dividing device being reflected by the marking pattern on the key and directs light returned from the optical fiber to the photodetection device.
  • the beam splitting device can e.g. B. be a beam-splitting prism arrangement or a partially transmissive mirror which couples light coming from the light source into the optical fiber and transmits light returned by the optical fiber to the photodetection device.
  • the cylinder core has a tangential circumferential groove on its circumference, which cuts the key insertion channel, that at least one section of the optical fiber having the light entry end is arranged in the groove, such that the The end of the light entering the key insertion channel transversely to the key insertion direction of the key insertion channel points when the cylinder core is in a key withdrawal position corresponding to the locking state of the lock, in which the key can be inserted into the key insertion channel or withdrawn from the key insertion channel, the marking pattern in one when the key is inserted in the key insertion channel the groove is arranged which extends transversely and faces the light entry end of the optical fiber and the key has a recess points, which is aligned in the end position of the key in the key insertion channel with the groove of the cylinder core.
  • the optical fiber is arranged in a protected position in a position that is favorable for data acquisition, while avoiding major structural outlay, without impeding the rotation of the lock cylinder core and the key.
  • this separate optical fiber can be arranged in a corresponding manner so that a section having the light exit surface extends in the groove.
  • the locking cylinder preferably has mechanical pin tumblers to secure the cylinder core against unauthorized rotation from its closed position.
  • the key is provided with key notches in order to move the mechanical pin tumblers into their positions which release the cylinder core for rotation.
  • the electromechanical locking device of the lock is accommodated in the cylinder housing and is set up to secure the cylinder core against unauthorized rotation from its closed position.
  • An electromechanical locking device integrated in the locking cylinder is proposed both for locking cylinders with and without mechanical pin tumblers.
  • the electromechanical locking device can be provided outside the locking cylinder in the lock in order to prevent a locking mechanism element that performs an unlocking movement when the lock is unlocked and is coupled to the locking cylinder in a gearbox manner from the unlocking movement if the key does not prove to be authorized to lock.
  • the light entry ends and / or light exit ends of the optical fibers can, if required, be optically coupled to, for example, focusing, light-coupling or light-coupling optical elements and, if necessary, mechanically connected.
  • the light used for optical data acquisition can be visible light, ultraviolet light and / or infrared light. Modulated light can be used to eliminate noise effects.
  • the marking pattern of the key comprises colored, in particular differently colored, markings and / or markings with different gray levels, the photodetection device being set up to have spectral properties and / or to differentially detect the intensity properties of the light transmitted by the optical fiber or, if applicable, by a plurality of optical fibers, and to emit electrical signals to the starter device which indicate the different spectral properties and / or intensity properties, and the starter device is set up to test these electrical signals evaluate the locking authorization.
  • the marking pattern can be a colored bar code pattern which is scanned serially when the key is inserted into the key channel.
  • color information and / or gray value information can also be used to mark bit positions within the bar code pattern, which brings about considerable simplifications and a reduction in the probability of reading errors on the evaluation side.
  • the photodetection device can have an element spectrally separating the received light, for example a prism and one or more rows of photodetectors at suitable locations behind the prism, each photodetector being able to detect a specific spectral range of the light spectrally split by the prism, so that over the photodetector line spectral information relating to the light transmitted from the key to the photodetection device is available to the control device.
  • an element spectrally separating the received light for example a prism and one or more rows of photodetectors at suitable locations behind the prism, each photodetector being able to detect a specific spectral range of the light spectrally split by the prism, so that over the photodetector line spectral information relating to the light transmitted from the key to the photodetection device is available to the control device.
  • the data reading from the key can also take place in this case according to the "reflection principle” or the “screening principle”, whereby in the case of data scanning according to the "screening principle” color filters in corresponding through holes of the key can serve as markings.
  • the marking pattern is an areal image pattern consisting of colored markings and / or of markings of different gray levels, which is transmitted parallel to the photodetection device by a bundle of fiber optic light guides.
  • video-technical means for image evaluation such as a color video camera or a black and white video camera.
  • a particularly color-effective CCD sensor is particularly preferred.
  • the lighting means be set up to emit light of a predetermined spectral composition, in particular under the control of the control device, and that the photodetection device be set up to differentially detect spectral properties of the light transmitted by the optical fiber or possibly by several optical fibers.
  • the use of light of a predetermined spectral composition serves in particular to make the system safer against unauthorized manipulation.
  • the control device only releases the electromechanical locking device when the light received by the photodetection device has a corresponding spectral composition or a spectral composition that is specifically changed by markings that influence the light.
  • control device controlled - emit characteristically modulated light, in particular intensity-modulated light, for example modulated on / off with a certain modulation frequency, and / or phase-modulated light, so that the light transmitted by the optical fiber or possibly by several optical fibers from the key to the photodetection device and the or the electrical signals emitted by the photodetection device have the characteristic modulation content, the control device being set up to evaluate signals with the characteristic modulation content.
  • characteristically modulated light in particular intensity-modulated light, for example modulated on / off with a certain modulation frequency, and / or phase-modulated light
  • a key for a lock cylinder key system which has an optically readable data marking pattern, in particular a bar code pattern, on its part that can be inserted into the lock cylinder there are colored markings which reflect light differently and / or scatter differently.
  • the marking pattern can comprise markings which are formed by depressions and / or roughening of the key surface at predetermined locations of the part of the key which can be inserted into the locking cylinder and which are produced in particular by baking by means of a laser beam, mechanical scratching or chemical etching.
  • the markings mentioned form together with intact in between Surface areas of the key the optically detectable data marking pattern.
  • Such a key coding can be implemented inexpensively with little effort, is highly forgery-proof and insensitive to damage during normal use.
  • Conventional keys can be used and prepared with the data pattern, the optically scannable coding allowing a high information density and thus a large number of locking variations.
  • a particular advantage is that any dirt deposits in the recesses do not interfere with the data acquisition from the key, since they still provide a high reflection contrast to the intact surface areas of the marking pattern lying between the recesses.
  • the undamaged surface areas of the marking pattern are always kept clean by constant friction on the key ring, textiles, guide surfaces of the locking cylinder and the like and maintain their good reflection properties. There is therefore no reason to treat the data marking pattern on the key with particular care or even to clean it.
  • the invention further relates to an identification device for releasing a blocking device, in particular for granting access to a blocked-off area and / or for releasing the use and / or manipulation of a device, against provision of valid identification data in an optically detectable marking pattern on a for releasing the Authorization card authorizing the blocking device, with an optical data acquisition device, to which the authorization card can be fed for the optical acquisition of the identification data provided thereon, and with a control device receiving the data acquired from the optical data acquisition device, which is set up to check the validity of the data and to provide a release signal to the locking device for releasing the locking device if the checked data correspond to valid identification data.
  • An identification device of the type mentioned above is known for example from DE 39 38 995 C1.
  • the credentials that match the known identification device have a marking field with light-reflecting markings and with light-predominantly absorbing markings.
  • the authorization card designed as a card, can be brought into position relative to the optical data acquisition device by inserting it into a card slot of the identification device, so that the marking field is opposite a photodetection device.
  • the photodetection device has light-emitting diodes / phototransistor pairs which are assigned to specific marking positions on the identification card, the light-emitting diodes serving to illuminate the markings at the relevant positions and the phototransistors for registering the light reflected by the relevant markings.
  • a logic control circuit of a relay containing the phototransistors is closed in order to release an electrically operated device for use.
  • the known identification device is only set up for evaluating binary marking states, namely the states of strong reflection and weak reflection. Accordingly, the marking pattern of the credential consists only of black and white markings.
  • the marking pattern on the authorization card for reasons of space can not be made very large and each mark within the pattern must be at least large enough that it can be uniquely assigned to a relevant phototransistor of the identification device, the number of possible different marking patterns and thus the number of permissible authorization codes for practical reasons is relatively small Value limited.
  • the comparatively clear marking pattern of the credentials known from DE 39 38 995 C1 is relatively easy to imitate, so that there is no high level of security against forgery.
  • the aim of the identification device according to the invention is to significantly increase the number of possible different authorization codes compared to the prior art and to increase the security against forgery.
  • the identification device for identifying color information and / or graduated contrast information of colored and / or with different contrast gradations identification marks of the authorization card is set up in order to provide the release signal for the blocking device depending on whether the color information and / or contrast information corresponds to valid color information or contrast information
  • the optical data acquisition device has a photodetection device set up for differentiated acquisition of spectral properties and / or graded intensity properties of the light coming from the markings in question, at least one light source illuminating the markings during the optical acquisition, the electrical for checking the color information and / or contrast information Outputs signals corresponding to the detected spectral properties and / or intensity properties to the control device.
  • the identification device enables the verification of ID cards with colored markings, in particular differently colored markings.
  • the code secret can thus be encoded in the spatial arrangement of the markings concerned and, moreover, in the colors of the markings.
  • the number of possible different authorization codes can be increased considerably compared to the binary systems according to the state of the art without increasing the space for the markings on the authorization card.
  • colored marking codes are much more difficult to imitate than black / white codes as are known from the prior art.
  • the advantages mentioned are also obtained insofar as the alternative with the differentiated detection of different contrast levels or grayscale levels is concerned.
  • the markings are therefore not only limited to the states known from the state of the art in black / white or well reflective / highly absorbent, but can also have gray value gradations lying between these extremes, which can be distinguished by means of the identification device according to the invention.
  • the number of gray value gradations depends on the desired resolution. For example, the number can be only 3 for simple systems and 256 for more sophisticated systems.
  • the identification device according to the invention is provided for releasing a locking device, the term locking device being understood in its broadest meaning.
  • a locking device For example, a mechanically locking lock to use the identification device to access an area blocked off by the lock, such as a walk-in room, a locker and the like. Like. to control.
  • the locking device in the sense of the invention can also be, for example, an electronic circuit which is provided to prevent unauthorized use of a device or to prevent unauthorized access to electronically stored data.
  • the key 2 is designed as a flat key and has a grip part or a cover 4 and a shaft 6 which can be inserted into the key channel of a locking cylinder.
  • Key notches 8 for controlling mechanical tumblers are provided on the key shaft 6 in the usual way.
  • the key 2 has machine-readable data 10 which can be detected by means of optical elements and which identify the key 2 as authorized to lock the relevant locking cylinder (cf. FIGS. 2a to 4).
  • the machine readable data is in the form of a bar code (Bar code) realized.
  • the bar code pattern 12 is located on a broad side 14 near the narrow side 16 of the key shaft 6, which is upper in FIG. 1, and is provided by markings 20, which are incorporated into the key surface 14 and follow one another along the key insertion direction 18, and in between, undamaged surface regions 22 of the key shaft 6 educated.
  • the markings 20 of the key 2 have been burned into the key with a laser beam and have the property of weakly reflecting a light beam that is incident substantially perpendicular to the key surface 14 and / or scattering it in other directions than the undamaged surface parts 22 between the markings 20 , so that the locking authorization information contained therein can be detected by optical scanning of the bar code pattern 12.
  • the production of the markings by means of a laser beam is only a preferred coding option.
  • the markings 20 can alternatively be realized by mechanical scratching and / or chemical etching.
  • a strip printed with the marking pattern can optionally be embedded in a recess at the relevant location on the key shaft 6.
  • Fig. 2a shows a lock cylinder-key combination, for the purpose of explanation it is assumed that the key 2 'mechanically "fits", but carries no or no valid machine-readable locking authorization information.
  • the locking cylinder 24 is a double-profile locking cylinder for a mortise lock (not shown further).
  • the locking cylinder 24 has a cylinder housing 26 which consists of two ring-cylindrical parts 28, 29 and a flat web 30 connecting the ring-cylindrical parts 28, 29 to one another.
  • the ring-cylindrical parts 28, 29 enclose between them a locking bar cutout 32 in which a locking bit or a locking lug 34 is received.
  • a lock cylinder core 36, 38 which is coupled to the locking lug 34 for transmission, is rotatably supported.
  • the pins 44, 46 are biased in a locking position securing the cylinder core 36, with interfaces 58 between the pins 44, 46 of the tumblers 42 not in alignment with the peripheral surface 60 of the cylinder core 36, so that the cylinder core 36 cannot be rotated.
  • the key 2 ′ shown in FIG. 2a is a key that mechanically matches the locking cylinder 24, since with its key notches 8 ′ it can move the pin tumblers 42 into the unlocked position, in which the interfaces 58 between the tumbler pins 44, 46 are flush with one another the peripheral surface 60 of the cylinder core, as shown in Fig. 2a. In this state, the cylinder core 36 is no longer secured by the mechanical pin tumblers 42.
  • the cylinder core 36 can still not be turned with its key 2 'out of its locking and key withdrawal position, since it is still blocked by an electromechanical locking device 62.
  • the electromechanical locking device 62 comprises a locking pin 64, which is axially displaceably mounted in a guide bore 66 running transversely to the cylinder core axis 54 and is prestressed in the direction of the cylinder core axis 54 by means of a compression spring 68, the compression spring 68 being attached to the relevant shoulders 70, 72 of the locking pin 64 or the guide bore 66 is supported.
  • the locking pin 64 With its substantially hemispherical end 74 located closer to the cylinder core 36, the locking pin 64 engages in a conical counterbore 76, which is formed on the cylinder core circumference 60 in the locking and key withdrawal position of the cylinder core 36 shown in FIGS. 2a and 2b.
  • the locking pin 64 In the locked state of the electromechanical locking device 62 shown in FIGS. 2a and 2b, the locking pin 64 is blocked by an electromagnet 78 in the axial position shown, and by the engagement of the locking pin end 74 in the conical bore 76, the cylinder core 36 is prevented from unauthorized rotation about it Axis 54 secured.
  • the electromagnet 78 comprises an elongated, electromagnetic coil 80 accommodated in the housing web, the coil axis of which extends transversely to the axis of the locking pin 64.
  • the electromagnet 78 has a ferromagnetic coil arm 82, which is guided axially displaceably along the coil axis, as an armature, which is biased by a compression spring 84 toward the blocking position shown in FIG 86 blocks the end 88 of the locking pin 64, which is removed from the cylinder core, in order to lock the locking pin 64 in its locked position.
  • the electromagnet 78 can be controlled by means of a control device, not shown in FIGS. 2a and 2b, in order to move the armature 82 from the blocking position shown in FIG.
  • the coil 80 is supplied with current by the control device, so that the armature 82 is attracted by the coil 80 against the action of the compression spring 84 and thereby penetrates further into the coil 80.
  • the locking pin 64 can now, with its end 88 remote from the cylinder core, escape into the space 90 cleared from the armature 82 when it is displaced from the counterbore 76. Due to the inclined surfaces provided by the conical countersunk bore 76, this displacement of the locking pin 64 takes place solely by rotating the cylinder core 36 by means of the key 2. The locking pin 64 is therefore no longer able to block the cylinder core 36, and the locking cylinder 24 can be actuated .
  • FIG. 4 shows the locking cylinder 24 in a cross section with a sectional plane corresponding to FIG. 2b or indicated in FIG. 3a with IV-IV, however the cylinder core 36 is shown rotated out of its key withdrawal and locking position.
  • the locking pin 64 has left the conical counterbore 76 and is supported with its end 74 on the circumference 60 of the cylinder core 36 under the action of the compression spring 68.
  • the locking pin 64 can automatically snap back into the counterbore 76 under the action of the compression spring 68 when the cylinder core 36 is turned back into the key withdrawal position.
  • the key 2 is a key as shown in FIG. 1.
  • the key 2 is a mechanically suitable key and also carries the valid locking authorization information in the form of the machine-readable data 10, which in FIG. 3a are on the side of the key 2 facing away from the viewer.
  • An optical data reading device 92 is provided for acquiring the data 10.
  • the data reading device 92 comprises at least one optical fiber 94 or possibly a fiber bundle for illuminating the markings 20, 22 of the key 2 in the key insertion channel 56. As shown in FIG.
  • the optical fiber 94 is through a bore 96 passing through the ring-cylindrical part 28 of the lock cylinder housing 26 inserted so far into the lock cylinder housing 26 with its light exit end 98 that the light exit end 98 directly reaches the key insertion channel 56 in the key withdrawal position of the cylinder core 36.
  • the cylinder core 36 preferably has, in the vicinity of the front insertion opening 100 of the key insertion channel 56, a circumferential groove 101 which intersects the key insertion channel 56 and which enables the optical fiber to be brought into contact with the key insertion channel 56 and which ensures that the cylinder core 36 can be rotated without interference from the optical fiber 94 and without damage or misalignment of the optical fiber 94.
  • the key 2 likewise has at least one recess 103 which, when the key 2 is inserted into the key insertion channel 56 up to its end position, is aligned with the tangential groove 101 of the cylinder core 36 and enables the key 2 to be rotated unimpeded by the optical fiber 94.
  • the optical fiber 94 is optical with a light source 108 of the control device 110 coupled.
  • the light can be coupled into the light entry end 106 of the optical fiber if necessary by means of suitable optional optical elements such as prisms and / or lenses.
  • a second optical fiber 114 or possibly a fiber bundle is used to detect the light of the illuminating optical fiber 94 reflected by the key 2 in the key insertion channel 56 in accordance with the markings 20, 22.
  • the optical fiber 114 also extends through the bore 96 in the ring-cylindrical part 28 of the lock cylinder housing 26
  • the front light entry end 116 is positioned in the axial direction of the cylinder core 36 immediately next to the light exit end 98 of the illuminating optical fiber 94 in such a way that it can detect light of the illuminating fiber 94 in the lock cylinder housing 26 reflected by the key 2 in the area of the marking pattern 12.
  • the lock cylinder-side ends 98, 116 of the optical fibers 94, 114 are arranged with respect to the marking pattern 12 of the key 2 in such a way that the marking pattern 12 is guided completely serially past the optical fiber ends 98, 116 when the key 2 is inserted into the key end position, in order to achieve a serial one to be able to implement optical scanning of the bar code 12 on the key 2.
  • the front ends 98, 116 of the optical fibers can be provided with optical coupling means, such as microlenses and / or prisms.
  • optical coupling means such as microlenses and / or prisms.
  • the light is preferably coupled in and out directly without such coupling elements.
  • the end light exit end 118 of the optical fiber 114 lying outside the lock cylinder housing 26 is optically coupled to a photodetector 120 of the control device 110, as is shown schematically in FIG. 5.
  • a phototransistor Trained photodetector 120 converts the light information transmitted by the optical fiber 114 into electrical signals for the control device 110, which digitally processes these signals for checking the locking authorization information of the key 2 coded in the key data 10.
  • control device 110 determines the locking authorization of the key 2 on the basis of the information transmitted to it, it outputs a coil current signal via lines 122 to the coil 80 of the electromagnet 78, whereupon the coil armature 82 is attracted to the coil 80 by the locking pin 64 for unlocking to release the lock cylinder core 36.
  • a key 2 that is suitable both with regard to the mechanical key notches 8 and with regard to the machine-readable data 10 is inserted into the key insertion channel 56 of the lock cylinder core 36 set in the key withdrawal position, the mechanical pin tumblers 42 are moved from their locking position into the position shown in FIG Figures 2a and 3a axially displaced release positions shown.
  • the bar code pattern 12 of the key is also guided past the light exit end 98 of the illuminating optical fiber 94 and the light entry end 116 of the other optical fiber 114.
  • the control device 110 checks the data stream converted into an electrical signal by the photodetector 120 according to predetermined criteria in order to determine the locking authorization of the key 2.
  • the data evaluation of the optically transmitted bar code data or the data of a possibly other, in particular self-clocking, code takes place in a manner known to the person skilled in the art and therefore need not be described in more detail.
  • control device 110 determines that the transmitted data does not correspond to valid locking authorization information, it does not control the electromagnet 78 to release the locking pin 64.
  • the locking cylinder then remains in the secured state shown in FIGS. 2a and 2b, in which the electromechanical locking device 62 secures the locking cylinder core 36 against unauthorized rotation.
  • the control device 110 recognizes the data transmitted to it via the optical fiber 114 as valid locking authorization data, it actuates the electromechanical locking device 62 by emitting the coil current signal to the coil 80 in order to move the coil armature 82 to the position shown in FIG. 3a , after which the lock cylinder core is released for rotation and the lock can be operated.
  • control device 110 can also take effect independently of the optical locking authorization data, for example in order to grant general locking authorization depending on the time of day, even for keys 2 ′ that only fit mechanically. At certain times of the day, the lock release could then only be granted for those keys that "fit" both mechanically and with regard to the machine-readable data 10.
  • the machine-readable data 10 can contain information, for example about the key holder, which can be evaluated by the control device 110.
  • the previously described embodiment of the lock cylinder-key system has two optical fibers 94, 114 or corresponding fiber bundles comprises, according to the invention, one of the optical fibers can be dispensed with if the other optical fiber takes over both the illumination and the optical data transfer, as is indicated schematically in FIG. 6.
  • 6 shows the end 118 of the optical fiber 114 which is led out of the cylinder housing 26.
  • the optical fiber 94 is not present in the corresponding variant of the exemplary embodiment.
  • a semi-transparent mirror 123 couples the light bundle 125 of the light source 108 which it reflects upwards in FIG. 6 into the optical fiber 14, which guides the light into the cylinder housing 26 in the manner described in order to feed the markings 20, 22 of the key 2 to be inserted illuminate.
  • the end 116 of the optical fiber 114 provided in the lock cylinder housing 26 is currently opposite a weakly reflecting marking 20 or a better reflecting surface section 22 of the key 2 when the key 2 is inserted into the key insertion channel 56, less or more light is reflected back into the optical fiber 114 which eventually exits at the end 118 of the optical fiber 114 and partially passes through the semi-transparent mirror 123.
  • This light transmitted by the mirror 123 strikes a photodetector 120, which converts it into an electrical data signal for the control device 110.
  • the marking pattern 12 on the key reflects light more or less well or scatters it in different directions.
  • the machine-readable data can alternatively be realized through through holes at corresponding locations on the markings.
  • the data acquisition can be carried out using the “transmitted light method”, an optical fiber, as indicated in FIG. 3b at 94 ', is used for illumination and another optical fiber 114 is used for deriving the light of optical fiber 94' which is transmitted through the through holes in the key.
  • the light entry end 116 of the optical fiber 114 is opposite the light exit end 98 'of the optical fiber 94', with the key insertion channel 56 running between the two ends 98 ', 116 of the optical fibers 94', 114 in the key withdrawal position of the cylinder core 36.
  • the surface areas 22 of the key shaft 6 lying between the markings 20 are automatically kept clean during everyday use by friction on the key ring, on textiles or on guide surfaces of the locking cylinder and are therefore always sufficiently good offer metallic light reflection in contrast to the markings 20.
  • the markings 20 can be formed by depressions or roughening in the manner already described. Any accumulation of dirt in such depressions or on corresponding roughening does not interfere with the functionality of the system, since such contamination will always reflect less well than the surface areas 22 which protrude further outwards and which are kept clean during continuous use, between the markings 20.
  • the solution according to the invention of the optical scanning of key optical information by means of an optical fiber is reliable detection and interference-free from external electromagnetic Fields allows largely uninfluenced transmission of the locking authorization data.
  • a conventional flat key can be used as the key 2, which can only be modified slightly in order to attach the machine-readable data. As mentioned, this can be done, for example, by laser beam burn-in, scratching, etching, etc.
  • Such a key coding can be implemented very inexpensively with comparatively simple means. A wide range of variations can also be used to produce unique keys.
  • optical fibers require extremely little space in the locking cylinder, and electronic components for key data acquisition in the locking cylinder can be completely dispensed with.
  • the machine-readable data are provided on a broad side 14 of the key shaft 6.
  • a corresponding marking pattern can alternatively or additionally be provided at another point on the key 2, for example on the narrow side 16 in FIG. 1, the arrangement of the optical fiber ends in the locking cylinder having to be modified accordingly in order to be able to optically scan the data.
  • the optical fibers or the optical fibers 94 or 114 could be introduced into the ring-cylindrical housing part 28 from above in the manner indicated by broken lines in FIG. 3a.
  • the groove 101 in the cylinder core 36 could be dispensed with.
  • the electromechanical locking device is housed in the lock cylinder housing.
  • the electromechanical locking device can be provided outside the lock cylinder housing on the lock and interacts there with a locking mechanism element which, in order to unlock the lock, performs an unlocking movement which is caused by rotation of the cylinder core of the locking cylinder, the electromechanical locking device being set up for this purpose to prevent the locking mechanism element from making the unlocking movement, or to release the locking mechanism element for unlocking, when the optically recorded key data are recognized by the control device as valid locking authorization data.
  • a locking cylinder according to the invention can also be designed without mechanical pin tumblers 42, in which case only the electromechanical locking device 62 takes over the locking function of the locking cylinder.
  • the key 2 can be designed without control notches 8.
  • FIGS. 7a and 7b A corresponding exemplary embodiment is illustrated in FIGS. 7a and 7b.
  • a circuit (schematically shown) forming the control device 210 is in the web part 130 of the Lock cylinder housing 126 housed.
  • the optical fibers 194 and 214 extend through the groove 201 of the cylinder core 136 to the upper region of the ring-cylindrical housing part 128, the front ends 198, 216 of the optical fibers being aligned in the manner already described, around the marking pattern to be able to record serially on the key 102 when the key 102 is inserted into the key channel 156.
  • the opposite ends of the optical fibers 194 and 214 are connected in the manner described to a light source (not shown) or to a photodetector in the control circuit 210.
  • the control circuit 210 is connected in the cylinder housing to the electromagnet 178 via lines 222 in order to control the electromanganese 178 in the manner already described.
  • control device 210 and the electromagnet 178 are supplied with electrical energy from an external power source via electrical lines, not shown.
  • These multiple optical fibers can be combined to form an image-transmitting bundle, for example in order to guide a marking pattern provided in the form of an image on the key in an image-transmitting manner to a photodetector of a corresponding control device.
  • a photodetector of a corresponding control device can be designed, for example, as a CCD sensor, the control device being set up to process the pixels supplied by the CCD sensor and accordingly to check the locking authorization of the key.
  • the marking pattern of the key comprises colored, in particular different colored markings and / or markings with different gray levels.
  • the photodetection device be set up to differentially detect spectral properties and / or intensity properties of the light transmitted by the optical fiber or possibly by several optical fibers, for example a fiber bundle, and to emit electrical signals to the control device which indicate the different Indicate spectral properties and / or intensity properties, the control device being set up to evaluate these electrical signals for checking the locking authorization.
  • Such a marking pattern can be a bar code pattern which, as described, can be scanned serially.
  • Such a marking pattern can be an areal image pattern, the image of which is transmitted to the photodetection device via fiber bundles.
  • a color-capable CCD sensor for detecting the image points can be used as the photo detection device.
  • the lighting means under control by the control device, emit light of a predetermined spectral composition and that the photodetection device be set up to differentially detect spectral properties of the light retransmitted by the optical fiber or possibly by several optical fibers.
  • the light used for lighting already has a specific characteristic. This specific characteristic is queried on the evaluation page. If the light received by the photodetection device does not have the expected spectral composition, the control device does not release the electromechanical locking device. Attempts at manipulation, for example in the form of feeding external light into the light guide to simulate a locking authorization code, will be unsuccessful because the external light will not have the expected spectral composition.
  • the lighting means be set up to emit characteristically modulated light, in particular intensity-modulated light, for example a light modulated on / off with a certain modulation frequency, and / or phase-modulated light, so that the light from the optical fiber or possibly light transmitted by a fiber bundle from the key to the photodetection device and the signal (s) emitted by the photodetection device have the characteristic modulation content, the control device being set up to evaluate signals with the characteristic modulation content.
  • An attempt to manipulate the system according to the invention with extraneous light will also remain unsuccessful in this case, since the extraneous light will not have the characteristic modulation features.
  • the electromechanical locking device 62 and 162 in the described Embodiments only represents a possible variant of an electromechanical locking device. In the context of the invention, it is only important that the electromechanical locking device can be controlled by means of a control device in order to prevent a locking mechanism element from being unlocked in the locking mechanism of a lock.
  • the part of the locking cylinder lying to the right of the locking bar cutout 32 and 132 in FIGS. 2a, 3a and 7a can be functionally identical to the left part of the locking cylinder described.
  • an electromechanical locking device can be dispensed with in the locking cylinder part shown on the right-hand side of the figures mentioned.
  • FIG. 8 schematically illustrates an identification system in the form of an access control system for granting access to a restricted area against provision of identification data.
  • the blocked area is a space blocked by an automatically closing or opening door 300 behind the wall 310 indicated in FIG. 8.
  • the door 300 shown as an automatic sliding door is automatically opened by drive means, not shown (see arrows 320), if Valid data for a control device (not shown) connected to the data acquisition device 330 and controlling the door drive are provided via a data acquisition device 330 arranged stationary next to the door 300.
  • the identification data are printed in the form of an optically detectable marking pattern 332 with differently colored markings 334 on an access authorization badge 336, the marking pattern 332 being a colored bar code pattern in the example shown.
  • Access to the blocked-off area for users wanting can insert their access authorization card 336, which is in the form of a plastic card in credit card format, into an insertion slot 338 of the data collection device 330, whereupon a card insertion mechanism of the data collection device 330 pulls the card into the data collection device 330 in such a way that the markings 334 of the ID card 336 are serially guided past a photodetection device 340, which comprises illuminating means for illuminating the markings 334 in the data acquisition device 330.
  • the photodetection device 340 comprises an optical fiber 342, the light entry end 344 of which is positioned in the data acquisition device 330 in such a way that it is directed at a location along which the colored markings 334 are guided when the identification card 336 is inserted .
  • the optical fiber 342 transmits light of the illuminating means reflected by the markings 334 to a prism 346, which spectrally breaks down the light so that the spread spectrum can be scanned along a line 348.
  • a row of a multiplicity of photodetectors 350 Arranged along line 348 is a row of a multiplicity of photodetectors 350, each of which is connected via signal lines 352 to a respective analog / digital converter (not shown), the analog / digital converter in turn being connected to the control device stand.
  • a marking 334 which only reflects back red light is now opposite the light entry surface 344 of the optical fiber 342
  • essentially only the photodetector 350 (R) will respond, since only one light bundle (R) from the red spectral range will be present in the spectrum, which the photodetector 350 (R) is associated.
  • the analog output signal corresponding to the light intensity Photodetector 350 (R) is converted into a digital data size by the associated analog / digital converter, so that a digital data signal is available for the control device.
  • the control device continuously interrogates the analog / digital converters in order to determine the color of the light reflected by the respective marking 334.
  • the control device thus receives information about the colors of the markings and, moreover, it can usually evaluate the information contained in the spatial arrangement of the bar code markings in order to check the access authorization or the identity of the authorization card. In this way, the number of possible permissible access authorization codes can be increased significantly.
  • the badges in question are highly forgery-proof, since color markings with the corresponding spectral properties cannot be imitated easily.
  • the marking pattern in the data reading device was illuminated with spectrally broadband light, for example artificial white light.
  • spectrally broadband light for example artificial white light.
  • reference symbols G and B in FIG. 8a designate a possible green or blue light beam.
  • the colors of the markings do not necessarily have to be spectrally pure, but mixed colors can also be used, with the result that several photodetectors respond simultaneously in the photodetector row.
  • Color information of certain markings can also be used to mark bit positions within the bar code pattern, which on the evaluation side brings with it considerable simplifications and a reduction in the probability of reading errors in the serial scanning of the marking pattern.
  • the markings represent different gray values, with 256 gradations of gray values being possible, for example.
  • the spectral decomposition of the light can be dispensed with, and in the case of serial scanning, a single photodetector is sufficient for detection, which is connected to the control device via an analog / digital converter.
  • FIG. 9 shows a schematic representation of an authorization card for another exemplary embodiment of an identification device according to the invention, shown schematically in FIG. 10.
  • the authorization card 502 has a marking pattern 504 in the form of a two-dimensional field composed of, for example, 512 columns 506 and 512 rows 508.
  • a marking pattern 504 in the form of a two-dimensional field composed of, for example, 512 columns 506 and 512 rows 508.
  • different symbols in the marking field elements indicate that the relevant marking field elements should have different contrasts or gray values.
  • the result of the different gray values is that the marking field elements in question reflect or absorb light differently, so that by measuring the intensity of the light reflected from the respective field elements of a light source, information about the degree of blackening or the gray value is obtained, which is obtained in a differentiated manner can be used for decoding.
  • 9 has a credit card format and can have, for example, a visually readable ID number (at 510), a photo of the ID holder (at 511) and other identification features in addition to the marking field 504.
  • the identification device according to FIG. 10 has a card insertion slot 512 into which the authorization card 502 shown in FIG. 9 can be inserted, so that the marking field 504 of the authorization card 502 in the reading position comes relative to the data acquisition device 514 accommodated in the housing 513.
  • the data acquisition device 514 is a CCD video sensor matrix or a video camera, which detects the marking pattern 504 from the ID 502 and outputs corresponding pixel data to the evaluation and control computer 516, which stores this pixel data in an image memory.
  • Some predetermined field elements of the marking field 504 serve as a position reference and form a predetermined position reference pattern. So that a certain tolerance with regard to the alignment of the marking pattern relative to the CCD sensor can be granted when the marking pattern is detected, the evaluation and control computer is preferably programmed in such a way that it searches for the stored image of the position reference pattern in the image memory, in order then to take it into account to make an unambiguous assignment of the geometrical positions of all marking field elements of the marking pattern and corresponding memory addresses of its image memory of the image of the position reference pattern identified by him. He can now check the content of memory cells that are uniquely assigned to certain field elements of the marking pattern 504 of the badge 502.
  • the check is carried out by comparing the intensity values stored in these specific memory cells with comparison values which the evaluation and control computer 516 has available as an identification reference. If agreement is found during this comparison between the relevant field element intensity values and the reference values, the evaluation and Control computer 516 the ID 502 as valid. Only in this case does the evaluation and control computer 516 provide an enable signal, which in the example shown in FIG. 10 is fed to a data processing system 518.
  • the data processing system 518 only releases access to certain stored data if it receives the release signal from the evaluation and control computer 516.
  • the data processing system 518 and its software which effects the data release act as a blocking device which enables a corresponding use after release by the identification device.
  • Certain field elements of the marking field 504 are designed as gray value reference elements, the gray value reference field elements having different gray values from one another.
  • the evaluation and control computer 516 can calibrate its evaluation scale or its gray value resolution on the basis of the relevant image data of these gray value reference field elements and, if necessary, adapt the evaluation comparison values provided by it accordingly.
  • a gray value reference field element can be provided for each possible gray value level. On the other hand, it may be sufficient to provide a reduced number of gray value reference field elements which represent support points which are representatively distributed over the possible gray value scale and between which the evaluation and control computer 516 can interpolate in order to calibrate its gray value gradation comparison values.
  • the exemplary embodiment according to FIG. 10 is characterized by a high degree of flexibility with regard to decoding.
  • the number of field elements of the marking pattern 504 used for the validity check can be changed in a user-specific manner by reprogramming the evaluation and control computer 516.
  • the evaluation and control computer 516 can be selected user-specific Which field elements of the marking field 504 are used for the check.
  • a contrast image of the marking pattern 504, recorded by means of the CCD camera, is stored in the evaluation and control computer 516 for evaluation. It has previously been assumed that the contrast differences are based on the different reflectivity of the relevant marking field elements for broadband light.
  • the marking pattern 504 of the authorization card has differently colored marking field elements.
  • the corresponding CCD camera 514 is a color-capable CCD video camera, which not only records video intensity values or color saturation values, but also spectral information of the marking field elements for storage, so that the color information of the relevant field elements can finally also be included in the validity check.
  • the data is recorded according to the “reflection principle”, the marking pattern being illuminated and the reflected light being evaluated.
  • the light source and photodetection device for data acquisition are arranged on opposite sides of the authorization card, and the marking pattern is more or less transparent and possibly colored differently at the locations of the markings.
  • Such a marking pattern is, for example, under Use of light-influencing filters, such as color filters, gray filters and the like. Like. realizable.
  • the photodetection device detects the image of the marking pattern which is illuminated from the “rear side”. Intensity and / or spectral information is obtained in a corresponding manner for the evaluation.
  • the light used for optical data acquisition can be visible light, ultraviolet light, infrared light or light of predetermined coded spectral composition in embodiments according to the "reflection principle” as well as in embodiments according to the "fluoroscopy principle” in order to make the system even more secure against unauthorized manipulation.
  • the control device can be designed in such a way that it only releases the blocking device if the light received by the photodetection device has a corresponding spectral composition or a spectral composition that is deliberately changed by the light-influencing markings.
  • the credential mentioned in connection with the identification device does not necessarily have to be in the form of a card.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP94120299A 1994-02-07 1994-12-21 Système de clef et zylindre de verrouillage ainsi que système d'identification Withdrawn EP0666393A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL95307111A PL177072B1 (pl) 1994-02-07 1995-02-06 Układ wkładka bębenkowa - klucz
SK16095A SK16095A3 (sk) 1994-02-07 1995-02-07 Zámok a kľúč
CZ95301A CZ30195A3 (cs) 1994-02-07 1995-02-07 Systém zamykacího válečku a klíče pro zámek, klíč, identifikační zařízení, přístupová karta a identifikační systém

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403728 1994-02-07
DE19944403728 DE4403728A1 (de) 1994-02-07 1994-02-07 Schließzylinder-Schlüssel-System

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EP0666393A1 true EP0666393A1 (fr) 1995-08-09

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CN103266818A (zh) * 2012-02-15 2013-08-28 中山亚萨合莱安防科技有限公司 数码机械双重保险锁具及其锁芯
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WO2014067387A1 (fr) * 2012-11-01 2014-05-08 Ding Xiaobin Structure de cylindre de serrure électronique et clé électronique
CN104895415A (zh) * 2015-06-03 2015-09-09 王宏亮 一种智能防盗锁及防盗方法
CN106652108A (zh) * 2015-10-29 2017-05-10 珠海优特电力科技股份有限公司 机电一体化电脑钥匙、智能闭锁装置及其工作方法

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WO1997009209A2 (fr) * 1995-09-01 1997-03-13 United Technologies Automotive, Inc. Systeme optique antivol
WO1997009209A3 (fr) * 1995-09-01 1997-07-03 United Technologies Automotive Systeme optique antivol
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EP1250505A4 (fr) * 2000-01-25 2007-08-08 Videx Inc Systeme de verrouillage electronique
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JP4648604B2 (ja) * 2000-01-25 2011-03-09 ヴィデックス インコーポレイテッド 電子ロック装置
EP1250505A1 (fr) * 2000-01-25 2002-10-23 Videx, Inc. Systeme de verrouillage electronique
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WO2003104590A1 (fr) * 2002-06-06 2003-12-18 Codixx Ag Systeme de securite optique
WO2009063362A1 (fr) * 2007-11-12 2009-05-22 Koninklijke Philips Electronics N.V. Système universel de verrou et de clé optique et procédé permettant de déclencher une fonction de sécurité
CN103266818A (zh) * 2012-02-15 2013-08-28 中山亚萨合莱安防科技有限公司 数码机械双重保险锁具及其锁芯
CN103266818B (zh) * 2012-02-15 2015-08-12 中山亚萨合莱安防科技有限公司 数码机械双重保险锁具及其锁芯
CN103452382A (zh) * 2012-05-29 2013-12-18 刘天靠 防破坏的锁芯结构
CN103452382B (zh) * 2012-05-29 2015-09-16 刘天靠 防破坏的锁芯结构
WO2014067387A1 (fr) * 2012-11-01 2014-05-08 Ding Xiaobin Structure de cylindre de serrure électronique et clé électronique
CN104895415A (zh) * 2015-06-03 2015-09-09 王宏亮 一种智能防盗锁及防盗方法
CN106652108A (zh) * 2015-10-29 2017-05-10 珠海优特电力科技股份有限公司 机电一体化电脑钥匙、智能闭锁装置及其工作方法
CN106652108B (zh) * 2015-10-29 2019-07-30 珠海优特电力科技股份有限公司 机电一体化电脑钥匙、智能闭锁装置及其工作方法

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