EP0805906B1 - Dispositif electronique de fermeture programmable - Google Patents

Dispositif electronique de fermeture programmable Download PDF

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Publication number
EP0805906B1
EP0805906B1 EP96901007A EP96901007A EP0805906B1 EP 0805906 B1 EP0805906 B1 EP 0805906B1 EP 96901007 A EP96901007 A EP 96901007A EP 96901007 A EP96901007 A EP 96901007A EP 0805906 B1 EP0805906 B1 EP 0805906B1
Authority
EP
European Patent Office
Prior art keywords
key
lock
electronic
electrical connection
identification code
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
EP96901007A
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German (de)
English (en)
French (fr)
Other versions
EP0805906A1 (fr
Inventor
Nofal Dawalibi
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.)
Electronic Key Systems E K S Sarl
Original Assignee
Electronic Key Systems E K S Sarl
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Filing date
Publication date
Application filed by Electronic Key Systems E K S Sarl filed Critical Electronic Key Systems E K S Sarl
Publication of EP0805906A1 publication Critical patent/EP0805906A1/fr
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Anticipated expiration legal-status Critical
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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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00857—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the data carrier can be programmed
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00761—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by connected means, e.g. mechanical contacts, plugs, connectors
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G07C2009/00841—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed by a portable device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys

Definitions

  • the present invention relates to the field of locks mechanical / electronic or electronic and combination security keys associated.
  • Locks that have combined the mechanical coding carried out by a bit or notches taking the place of a electronic combination existing at the level of the key and the lock.
  • Requirement European Patent No. 0,277,432 shows an example of such a lock mechanical / electronic, the key of which comprises, in addition to conventional coding mechanical unlocking of the lock, an electronic circuit which transmits to the lock, when inserting the key, a pre-programmed identification code which is in turn transmitted to an external control module which decodes it, this module also ensuring the power supply of the lock / key assembly.
  • this electronic assembly may include a non-volatile memory containing the identification code of the lock to which it is associated.
  • the request FR. 2,561,292 shows an electronic key that can be implemented with a mechanical / electronic lock and comprising both notches for mechanical coding and an electronic circuit microprocessor powered by a battery located directly in part of the key.
  • both of the above locks have a defect major in that their safety essentially depends on the type of cylinder mechanical used to receive the keys, the electronic device being only one additional security element. Indeed, maximum security is ensured above all by a complex realization of the cylinder, which has the consequence entail a very high cost of the lock. In addition, any loss of the key will systematically lead to the replacement of this cylinder (the modification of this mechanical element is not possible), whether or not it is associated with electronic means. Of course, to guarantee this high security, each cylinder is associated with a key and only one.
  • the holder of the application EP 0 388 997 envisaged a lock fully electronic in which the opening of a door is controlled in the event of correspondence between an identification code of the key and that of the lock.
  • the key has a memory that can receive several codes corresponding to different locks and the cylinder of each lock has an energy source to supply its electronic circuits and those of the key.
  • the cylinder described may have standardized dimensions similar to those of a conventional lock cylinder.
  • this electronic locking system still has certain disadvantages, especially in case of loss of the key or in case of weakness of the energy source, which greatly limit its practical interest and in fact prohibit any commercial use. Indeed, for example in case of loss of his key, the user must systematically resort to the manufacturer who must move to reprogram the codes for each lock. Possibly, if the manufacturer authorizes it and wishes to perform this alone reprogramming, the user will have to use a computer device centralized. But then the complexity of the system thus obtained makes it particularly expensive and difficult to use for a non-user professional.
  • Application GB-A-2 261 254 describes a device comprising a key and a lock including a system for transferring information from the key to the lock. Control means contained in the key make it possible to modify this information initially stored in the key.
  • the object of the present invention is to overcome the aforementioned drawbacks in offering a particularly programmable electronic closing device simple and inexpensive and can be implemented by any user even non professional.
  • An essential object of the invention is to allow, by programming individual of each key access by its user to all security features of the lock.
  • Another object of the invention is also to produce an electronic device which can replace existing mechanical devices, in particular for the purpose increase security, without requiring excessive expenditure, i.e. without asking for a complex intervention on these devices or structures to which they are incorporated.
  • Yet another object of the invention is to propose a device whose characteristics can be advantageously compared with those of current devices and also has functions complementary.
  • the means techniques defined previously in combination allow the realization of a device that is actually marketable, so that it is called upon to to replace the existing mechanical devices, today present on the market.
  • the device of the invention is first of all easy to use because it is present as current systems and therefore does not require a change usually from the user.
  • first and second electrical connection means can be replaced by first and second wireless connection means, for example radiofrequency or optical, arranged respectively in the key and the barrel.
  • first and second wireless connection means for example radiofrequency or optical
  • the energy supply means comprises a battery rechargeable or a disposable battery placed in the key, which avoids disassembly frequent and numerous if this cell or battery was placed in the barrel.
  • means of generation of energy arranged in the cylinder of the lock and actuated by the introduction (removal) or rotation of the key, are provided to allow the less the power supply to the unlocking means which constitutes the most heavy energy consumer of the barrel.
  • the key is formed first and second separate parts connected by an intermediate part which can be constituted either by a flexible electrical connection or by a wireless connection.
  • the first part is presented in the form of a rod provided with an operating head and comprising the first means of electrical connection and the second part which can function multifunction electronic assembly further comprises the means electronic and power supply of the key and the means of programming.
  • the key is constituted by the separable connection of a first part in the form of a rod provided an operating head and comprising the first electrical connection means and at least the power supply means and the first memory means, and a second part that can act as an electronic assembly multifunctional and comprising all the means necessary to allow the programming of the data contained in the electronic means of this key and the lock as well as a third electrical connection means for receiving the first means of electrical connection.
  • This multifunction electronic assembly can be constituted by many current devices and in particular a calculator, an agenda, a watch, pager, dialer, alarm or even a simple sensor of physical parameters.
  • the key can also further include a connection means for remote programming of the data contained in the electronic means for controlling this key and the lock.
  • this complementary connection means consists of the first means of electrical connection.
  • it may include a wireless connection means, for example radio or optical.
  • Each electronic means for controlling the lock or key or two further include comparison means for performing a comparison between the lock identification code and at least one code correspondent of the key received through electrical connection means.
  • the transmission identification codes between the lock and the key is ensured by means of a coding by encryption key (specific algorithm).
  • the memory means of the barrel comprises a memory space accessible by the read-only key. So, by storing in this space a number of reference of the lock and by allowing its reading by the key, it is possible to then limit the comparison to the only identification code of this lock to exclusion of any other.
  • each identification code comprises first and second identification codes and, in a normal mode, the comparison of the respective identification codes of the lock and the key performed only on the first identification code whereas, in a mode security, this comparison is performed on the first and second codes identification.
  • each identification code is formed of two n-bit words and the electronic means for controlling the lock cylinder performs, initially, by means of comparison arranged in the barrel, the comparison of the first word of n bits of the code identifying the lock with the first n-bit word of the identification code of the key received from the key through the electrical connection means and, in a second time, the first electronic key control means which also includes means of comparison, in the event of identity between these first two words, a comparison between the second word of n bits of the code of identification of the key and the second word of n bits of the identification code of the lock received from the lock through the electrical connection means, a new identity relating to these two second words which alone can authorize a unlocking the lock.
  • the present invention also relates to any lock, any barrel or any key that can be used in the programmable electronic device described.
  • the key may also include means for indicating sound or light to inform the user of the operation of the key in normal mode or in safety mode or even good programming.
  • the programming means include a function key specific (SECURITY) allowing only users of keys that can operate in security mode, change the identification codes of locks.
  • SECURITY function key specific
  • the programming means also include a specific function key (RESERVE) allowing the holder of a key to validate access to one or more locks determined among all locks that can be operated with this key, which makes it very easy to prohibit certain persons to whom this key is entrusted access to places not allowed.
  • RESERVE specific function key
  • these programming means may include a specific combination of specific function keys (RESERVE and ZERO) allowing the holder of a key to prohibit its use by deactivating his essential reading and comparison functions. So when she’s not used, or if it is a reserve key, there is no risk of loss or theft fear since its use is no longer possible without knowledge of the code confidential allowing access to deactivation of the determined combination of keys.
  • RESERVE and ZERO specific function keys
  • this prohibition may only be temporary or be performed automatically after a determined operating time.
  • FIG. 1 shows a perspective view partial of a leaf, for example of a door 10, in which is embedded a high security lock 12 according to the present invention.
  • This lock is provided with a barrel 14 which comprises a cylindrical member 14A forming a rotor in which is provided with a slot-shaped opening 16 in which can be introduced a key 18 (more precisely the rod or blade of this key).
  • the key 18 which will be described in more detail opposite FIGS. 5 and 6 comprises, at one end, a first part 18A, called a blade, in the form of a flat rod of dimensions conforming to the opening 16 of the rotor cylindrical 14A of the lock, which can for example have a notched profile (there are indeed other types of coding, for example with fins or fingerprints), and provided with a first electrical connection means 19 comprising a set of individual contacts, to authorize the actuation of a bolt 20 of this lock 12, and, at the other end, a second part 18B, called the head, may have a ring shape, to allow by its rotation the operation of this bolt and therefore the release of the door leaf 10.
  • a first part 18A called a blade
  • a blade in the form of a flat rod of dimensions conforming to the opening 16 of the rotor cylindrical 14A of the lock, which can for example have a notched profile (there are indeed other types of coding, for example with fins or fingerprints)
  • a first electrical connection means 19
  • FIG. 2 shows a very schematic view in longitudinal section of a barrel with symmetrical European profile with double entry (double cylinder) 14 whose external shapes and dimensions are similar to those of double cylinders conventional mechanics used for locking landing doors of housing, which makes it possible to simply ensure replacement (after removal of the headrest screw 25 in FIG. 1 and extraction of the mechanical cylinder).
  • This double barrel conventionally comprises an upstream part 30, a downstream part 32 and an intermediate rotary part 34 for actuating the bolt (directly or through conventional mechanical means).
  • Each upstream and downstream part comprises a rotor element 30a (respectively 32a) and a stator element 30b (respectively 32b) surrounding this rotor element in which is made the opening 16 and which is secured (by known means not shown) of the rotating intermediate part 34.
  • the rotor element 32a of the downstream part of the barrel of lock 12 comprises on the one hand a second connection means electrical 39 intended to cooperate with the first electrical connection means 19 of the key and provided with corresponding individual contacts and on the other hand with the means electronics formed by an electronic circuit 40, advantageously at microprocessor, comprising a central unit 42 or a similar module, a program memory 44 and a data memory 46 connected by a bus common 48.
  • the upstream rotor element 30a comprises, in addition to a third means of electrical connection 49 accessible on an opposite face of the barrel, means locking / unlocking 50 actuable under the control of the unit central 42 and which ensure the mechanical unlocking of the elements rotor 30a, 32a relative to the stator elements 30b, 32b of the barrel 14.
  • unlocking means 50 for example advantageously comprise a or more pins or pins 52 mounted movable in one or more first corresponding housings 54 and projecting, in a rest position (cylinder locked), under the action of elastic elements 56 placed in these first housings, in second housings 58 of the upstream stator part 30b facing them.
  • An electromagnet 60 or any other similar device is provided for ensuring, under the control of the central unit 42, the removal of the pins 52 in their housing 54 and thus allow free rotation of the elements rotor and therefore an operation of the bolt 20.
  • the pins are arranged regularly around the longitudinal axis of the barrel and parallel to this axis, and the electromagnet 60 acts simultaneously on each of the pins to cause displacement (a simple way to ensure this displacement is for example to make these pins like cores solenoid plungers).
  • the barrel may also include means for generation of energy 62 actuated by the introduction or rotation of the key and providing the energy required to actuate the microactuator 60 (electromagnet, micromotor or similar device), without any energy input additional by means of a rechargeable battery or a disposable battery by example. This last solution which seems a priori simpler however poses the problem of regular replacement of this battery in the barrel.
  • FIG. 3 and 4 very schematically show variants of realization of the lock cylinder or barrel 14 also suitable for doors residential.
  • this barrel with a European profile is of the simple type button cylinder and the pins 52 are arranged along perpendicular axes to the longitudinal axis of the cylinder (an arrangement along multidirectional axes is of course possible).
  • the number of pins is indifferent and unlocking means 50 in the form of a single key placed in a housing made according to a generator of the rotor element are just as possible.
  • FIG. 4 represents a barrel of the half-cylinder type in which the unlocking means 50 and the electronic circuit 40 are arranged on the same side, preferably in the farthest upstream part from the outside of door 10.
  • This key is mainly consisting of two parts 18A, 18B and comprises, at one end, a flat rod provided with the first electrical connection means 19 comprising a set of individual contacts (formed for example of a mass contact and a simple data contact) intended to cooperate with the corresponding contacts of the second electrical connection means 39 present in the opening 16 of the lock and, at the other end, a head whose shape is indifferent, but which can be advantageously parallelepiped, and which comprises, protected by a flap resealable 78 allowing protection of the keyboard and the display out of phases a keyboard 80 provided with a set of function keys 82 and numeric keys 84 and a display 86.
  • a means of additional connection 29 can be provided to connect the key to a module external programming.
  • the contacts are arranged at the free end of the rod of the key 18, it is clear that a person skilled in the art may consider any other configuration, such as a side layout or on the top of this rod (see in particular the above-mentioned application EP 0 388 997).
  • the electrical connection means 19; 39,49 can be reduce to simple means of wireless data link of radio frequency type or optical (infrared for example).
  • Figure 7 very schematically shows the different electronic components making up this key.
  • the key 18 comprises, on the one hand, also electronic means 90 comprising a central processing unit 92 or any other equivalent module, a program memory 94 and a memory of data 96 connected by a common bus 98 and, on the other hand, a module 95 for the energy supply of these various electronic components, for example a rechargeable battery or a disposable battery, and means for audible indication or light 97.
  • This power module is also a source of energy for the electronic circuits of the lock which it supplies, through first and second electrical connection means 19, 39.
  • Program memory 94 which consists of read-only memory (or ROM type memory) or any similar circuit, is intended to record the programs required to perform the various functions useful for control of central units 92 and 42 to ensure the operation and safe programming of the lock (it can be noted that the central unit barrel can also be controlled by its own program memory 44).
  • Data memory 96 which consists of non-volatile memory such as an electrically erasable programmable read-only memory (or EEPROM), is intended to record different types of data and in particular the different lock identification codes accessible by a given key.
  • non-volatile memory such as an electrically erasable programmable read-only memory (or EEPROM)
  • EEPROM electrically erasable programmable read-only memory
  • this key 18 includes the complementary connection means 29, the latter is directly connected to the common bus 98 or, in the case of a connection wirelessly with the external programming module, via a specific interface 93, for example an optical or radiofrequency receiver (for an infrared or radio frequency link).
  • a specific interface 93 for example an optical or radiofrequency receiver (for an infrared or radio frequency link).
  • the means of audible indication or luminous 97 can serve as indicator of good programming.
  • the first means of electrical connection 19 also as a means of connection to the external programming to allow remote programming of the memory of data 96 of this key.
  • specific interfaces will have to be provided in the key as at the barrel (like the interfaces shown in Figure 8A for the wireless connection between the two parts of the key).
  • FIGS. 8 and 9 show two other embodiments of the key 18.
  • the first and second parts 18A and 18B are dissociated and linked between them by a flexible cable 18C.
  • the first part 18A consists of a simple blade (then terminated by a gripping and maneuvering means) provided with the first connection means electric 19.
  • the second part 18B is now presented under the form of a multifunction electronic system, such as a calculator or a electronic diary, integrating at least the electronic circuits 90 and the module 95, as well as the additional connector 29 (including its interface) if necessary.
  • the energy supply of the barrel and the transfer of data to the electronic circuits of this barrel being carried by the cable 18C containing the common bus 98.
  • this particular configuration has the advantage of being able to integrate into the invention the multiple functions available today only in a calculator, a diary or electronic watch, for example a calendar, a directory telephone, dialer, radio pager (pager), a set of measurements of different physical characteristics such as temperature or pressure or even an alarm control device for a car or home. It should be noted, however, that the implementation of certain of these functions is not incompatible with the first embodiment of the key insofar as they can be miniaturized (but access to functions is not facilitated).
  • Figure 8 shows a variant of the second embodiment of the key previously described in which the first and second parts 18A, 18B can be completely dissociated, the first part constituting an element extractable from the second part and electrically connectable to it by the first electrical connection means 19 which cooperates with equivalent means 69 in the second part.
  • the battery 95 and data memory 96 are arranged in the first part extractable 18A from the key (the reading of this memory can indeed be done directly under the control of the central unit 42 of the lock when it is introduced in the barrel), the other electronic elements of this key being able be present only in its second part 18B.
  • each lock has a unique identification code (A or A + B) whereas a key can on the contrary have several distinct identification codes (type A or A + B).
  • a or A + B unique identification code
  • a key can on the contrary have several distinct identification codes (type A or A + B).
  • the above process can be secured in various ways, including conventionally by a particular coding by encryption key (by means of a specific algorithm).
  • Relatively simple security can be implemented consist in dividing each code into two words of n bits (for example 2 times 8 bits).
  • the key addresses the lock only the first part of its identification code (the first word of n bits) and the lock then performs a comparison between this first part of the code and the first part of its own identification code. If an identity is identified, the electronic circuit of the lock transmits the second part of the lock code to the key which can proceed to turn to compare this second piece of code with the one it has in memory. In the event of a new identity, it can be carried out as above.
  • Another simple way to secure communications from data between the key and the lock is to have at memory level data from lock 46 of a memory space accessible in read-only mode and including only a reference number of this lock. So after introduction of the key, its central control unit 92 reads through electrical connection means 19 (or any equivalent connection means) the contents of this memory space and then addresses to the lock only the code corresponding identification which can then, as before, be compared in the lock to its own identification code. By this procedure, thus avoids transmitting all of the identification codes to the lock and therefore possible interception of this sensitive information.
  • the modification of the identification codes of both lock and key can be done by the user directly from the key.
  • No external IT device personal computer for example
  • the user nor is it obliged to resort to the manufacturer, even in the event of loss of the key. In the latter case, however, the user must have taken care to note and keep the personal code or codes necessary for the reprogramming of its new key.
  • the programming of the codes at the level of the key 18 is carried out from the keyboard 80 and is checked on the display 86.
  • a first step 100 the user activates a first ON / OFF (O) function key to access the various advanced functions (in particular programming) of the key.
  • the action on a second SECRET function key (I) during a next step 110 makes it possible to validate the entry of a confidential code (on m bits, for example 5 bits) made by means of the numeric keys 84, in step 120, and to display on the display 86 a first memory location of the key in order in particular to possibly authorize a subsequent modification of the data present at this location.
  • This write access is only possible after the action, during step 130, of a third PROGRAM function key (P) and is carried out, in a new step 140, by writing a first lock code also using the numeric keys, the validation of this code being carried out during a terminal step 150 by a fourth function key SET (V).
  • keys for moving ( ⁇ ) or erasing (C) have, if necessary, enabled the code to be modified in the event of an incorrect entry (steps 160 and 170).
  • the following codes in the event of a plurality of locks or of several code levels, A and B for example) can then be entered by also making use, in subsequent steps 180 and 190, of other movement function keys ( ⁇ ).
  • the key is programmed and is ready to operate, and the first ON / OFF function key can be pressed again to end the key programming process.
  • This manual programming process described above can be applied as well during a first programming as during subsequent modifications of one or more codes or addition of new codes.
  • automatic programming is equally possible and is even preferable when greater security is sought (in terms of housing in particular). This can be done after entering the confidential code and on the basis of an internal algorithm present in the read-only memory 94. The entry of an additional personal code may in this case be necessary to allow the generation of the different identification codes.
  • the user first of all successively activates the ON / OFF and SECRET function keys, enter their confidential code, and enter the key in the lock (it is here possibly possible to search the memory location corresponding to the lock code to be changed with the movement keys, as indicated above).
  • the electronic circuit of the key and / or the electronic circuit of the lock checks (ent) then, in step 200, the identity of the lock and key identification codes and valid, in a next step 210, action on the third PROGRAM function key which allows entry a new identification code (step 220) which, after action on the fourth SET function key in step 230, is transmitted to the lock to recording in its data memory.
  • the key can then be removed from the lock and the ON / OFF key pressed one last time.
  • Additional function keys are also provided for program the lock in normal mode (with comparison on code A only) and in high security mode (comparison on codes A and B).
  • NORMAL (N) and SECURITY (S) keys are only active for one user having a key containing identification codes provided with codes A and B.
  • the transmission by the means of sound or light indication 97 of one or two sound signals or bright, depending on the mode selected allows the user to be informed of the mode in Classes.
  • These signals can also be emitted when the key is inserted. to validate the connection.
  • a RESERVE (R) key can also be designed to allow the use of the key to be restricted to one or more locks.
  • this R key After accessing the programming functions by ON and SECRET and the entry of the confidential code, an action on this R key followed by the numbers of the desired locks (or their name in diary function) allows a validation of the corresponding barrels.
  • this procedure it is possible to lend his key to a third person, for a specific access, without risking seeing this access, with the same key, to unauthorized places.
  • this reservation function can allow to authorize these accesses only under specific time conditions. The return to an unrestricted access will be done by a new action on this R key then on the erase C key.
  • This function key can also be used with a additional key, for example the numeric key 0, to prohibit totally using the key.
  • the deactivation function thus obtained which may only be temporary or be performed automatically after a time operating, is particularly useful when the user has several copies of the same key and that some of them remain unused (these keys can therefore be deactivated and returned unusable in case of loss or theft). Note that for total security, this advantage could be activated between two uses.
  • the programmable closing device according to the invention is therefore perfectly suited to replace, with greater safety and flexibility of use, current mechanical devices while providing them with many particularly interesting new functions. Others improvements are also possible, particularly in order to reduce consuming the key's battery or further improving its security.
  • the battery life can be significantly increased by dissociating, as it was said previously, the energy supply of the circuits electronic, carried out by this battery, of that necessary to control the release of the bolt (control of microactuator 60).
  • At least three solutions known are currently possible to create, by the introduction or rotation of the key, the electric current necessary for this command. All first, this current can be generated by a magnetic induction resulting by example of the displacement of a magnet, under the effect of the introduction of the key, in a coil surrounding it (it may be preferable to store the current induced by the variation in magnetic flux rather than using it immediately). Then this current can still be produced by a mini current generator launched by the rotation of the key and coupled with a suitable reduction device.
  • piezoelectric generators can also be considered. These systems are based on a mechanical device which, driven by the introduction or rotation of the key, exerts a force on a piezoelectric crystal (directly or by means of an elastic element constrained by this device) which in return generates charges creating electric current.
  • the security of the device can be increased by protecting conventionally the barrel and the key against electromagnetic emissions by radiation or by preventing unauthorized access (due to scanning successive of all codes in particular), for example by forcing the user to withdraw his key after any unsuccessful attempt or by imposing a minimum waiting time before any new attempt.
EP96901007A 1995-01-25 1996-01-03 Dispositif electronique de fermeture programmable Expired - Lifetime EP0805906B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9500822 1995-01-25
FR9500822A FR2729700B1 (fr) 1995-01-25 1995-01-25 Dispositif electronique de fermeture programmable
PCT/FR1996/000003 WO1996023122A1 (fr) 1995-01-25 1996-01-03 Dispositif electronique de fermeture programmable

Publications (2)

Publication Number Publication Date
EP0805906A1 EP0805906A1 (fr) 1997-11-12
EP0805906B1 true EP0805906B1 (fr) 2000-05-31

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EP96901007A Expired - Lifetime EP0805906B1 (fr) 1995-01-25 1996-01-03 Dispositif electronique de fermeture programmable

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MX9705614A (es) 1998-06-28
SK97797A3 (en) 1998-01-14
TR199700690T1 (xx) 1998-02-21
DE69608665T2 (de) 2001-02-22
TW304215B (fi) 1997-05-01
DE69608665D1 (de) 2000-07-06
JO1886B1 (en) 1996-07-25
EE03314B1 (et) 2000-12-15
KR19980701682A (ko) 1998-06-25
ZA96166B (en) 1996-08-21
EA199700138A1 (ru) 1997-12-30
TNSN96012A1 (fr) 1998-12-31
FR2729700B1 (fr) 1997-07-04
CZ238897A3 (en) 1997-12-17
HU221771B1 (hu) 2003-01-28
IL116714A0 (en) 1996-05-14
NO973420L (no) 1997-09-24
OA10739A (fr) 2002-12-11
EP0805906A1 (fr) 1997-11-12
AU687664B2 (en) 1998-02-26
US6331812B1 (en) 2001-12-18
FI973026A (fi) 1997-07-17
PL321537A1 (en) 1997-12-08
BG101795A (en) 1998-02-27
AU4490096A (en) 1996-08-14
CN1149329C (zh) 2004-05-12
FR2729700A1 (fr) 1996-07-26
ATE193577T1 (de) 2000-06-15
EG21255A (en) 2001-05-30
KR19987001682A (fi) 1998-06-25
RO119245B1 (ro) 2004-06-30
AR000786A1 (es) 1997-09-24
CA2211256A1 (en) 1996-08-01
PL180493B1 (pl) 2001-02-28
JPH10512638A (ja) 1998-12-02
IL116714A (en) 2001-01-11
CN1169173A (zh) 1997-12-31
BG62981B1 (bg) 2000-12-29
MA23777A1 (fr) 1996-10-01
UA43887C2 (uk) 2002-01-15
NZ300228A (en) 1997-12-19
HUP9702401A3 (en) 1999-12-28
EA000207B1 (ru) 1998-12-24
NO973420D0 (no) 1997-07-24
WO1996023122A1 (fr) 1996-08-01
FI973026A0 (fi) 1997-07-17
HUP9702401A2 (hu) 1998-03-30
BR9606857A (pt) 1997-11-25
ES2150097T3 (es) 2000-11-16

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