EP0623722A1 - Dispositif de fermeture de sécurité holographique - Google Patents

Dispositif de fermeture de sécurité holographique Download PDF

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Publication number
EP0623722A1
EP0623722A1 EP94201215A EP94201215A EP0623722A1 EP 0623722 A1 EP0623722 A1 EP 0623722A1 EP 94201215 A EP94201215 A EP 94201215A EP 94201215 A EP94201215 A EP 94201215A EP 0623722 A1 EP0623722 A1 EP 0623722A1
Authority
EP
European Patent Office
Prior art keywords
reader
hologram
leaf
locking
informations
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.)
Granted
Application number
EP94201215A
Other languages
German (de)
English (en)
Other versions
EP0623722B1 (fr
Inventor
Alberto Gorla
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.)
PARMA ANTONIO & FIGLI S.P.A.
Original Assignee
Parma Antonio & Figli SpA
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 Parma Antonio & Figli SpA filed Critical Parma Antonio & Figli SpA
Publication of EP0623722A1 publication Critical patent/EP0623722A1/fr
Application granted granted Critical
Publication of EP0623722B1 publication Critical patent/EP0623722B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

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

Definitions

  • This invention relates to a security device for locking, in a manner that can be opened, generic leaves.
  • the word optronics as used herein refers to a technical field jointly involving optics and electronics; in particular, with the attribute deriving from this word, which is used especially by persons skilled in the art, there will be defined those devices, apparatuses, instruments, etc. whose operation is based on applications of optics and electronics principles.
  • holography A known example of such applications is holography; this application may be considered basically as a technique of recording on a plate or another support, and of later reproducting as well, generally luminous waves of the coherent monochromatic type (laser beam). This technique enables, for instance, the characteristic reproduction of objects with three-dimensional effects.
  • leaf door is the armored door of a safe 2, depicted in figure 1 together with a pair of devices 4 and 6, respectively shown in dash and dot lines.
  • devices 4 and 6 represent respective embodiments of the invention, and their simultaneous presence in figure 1 is for convenience of illustration: indeed, they may be used alternatively, as explained hereinafter, depending on different situations.
  • the security device 4 includes a key 41 having a bit 42 of conventional design, which key is associated with a respective lock 43 mounted on the leaf 1 and provided with a keyhole 43a for the key 41; at said bit 42, the key 41 has an end 44 jutting out therefrom and carrying a hologram 45 of a conventional type which occupies substantially the whole surface of one side of said end 44.
  • said hologram is applied to the end 44 and carries identification informations recorded thereon, as explained hereinafter.
  • the lock 43 is provided with an aperture 46 to let the end 44 with its hologram 45 project outwards when the key 41 is inserted into the lock 43.
  • the device 4 of this invention includes a reader of the opto-electronic type, generally shown at 48.
  • the reader 48 is of conventional type and will not be further described in detail as regards to its component parts, but only its distinctive functional aspects will be considered here.
  • the device 4 of the invention includes a magnetomotive locking assembly 50 for releasably driving a conventional bolt 51 of the lock 43 and thus lock in a manner that can be opened, the leaf 1.
  • the device 4 also includes an electric power supply 52 for powering the reader 48 and the magnetomotive assembly 50.
  • the magnetomotive locking assembly 50 operation is controlled by the reader 48; the latter is provided with conventional opto-electronic means to enable the hologram 45 on the key 41 to be read and the information recorded thereon compared with identification information stored in the reader 48 and thereby, to enable the magnetomotive assembly 50 to release the bolt.
  • the holder of the key 41 insert it into the lock 43 so as to make the end 44 and its hologram 45 to come out.
  • the reader 48 reads and recognizes said hologram, and once it is verified that the informations recorded thereon match the informations stored in the reader, it enables the magnetomotive assembly to release the bolt 51. Under this condition, the user is allowed to operate the key 41 and the open or shut the leaf 1 as desired.
  • a device according to the invention, constructed as in the above embodiment affords a number of advantages.
  • the hologram 45 provides the key 41 with a means of identification which is almost impossible to duplicate or decode. It is indeed well known, that holograms, i.e. the recordings of light waves by surface etching with coherent monochromatic light beans, cannot be decoded if the way they have been formed is unknown. In the same way it is known that the parameters used for obtaining the holograms, namely the wavelengths used for the light beams, their respective phase displacement and their chronological sequence of incidence on the surface where the hologram is formed, provide a virtually unlimited range of combinations which, unless known in advance, preclude all chances of the hologram being read and recognized.
  • the technical solution provided by the invention achieves the object previously mentioned. It should be also noted that in this embodiment, the key 41, additionally to carrying the hologram 45, still retains its mechanical function to operate the bolt 51 after the reader 48 has enabled the magnetomotive assembly 50 to release the bolt.
  • This feature allows the invention to be also employed with common keys as used in normal applications.
  • the device of the invention is generally shown at 6 and includes a key 61 having form of a card, adapted for insertion into a lock 63 basically in the form of a slot.
  • the key 61 is provided with a hologram 45 at an end 44.
  • a conventional opto-electronic reader 48 is mounted on the leaf 1 at the location of the lock 63; this reader 48 is similar to the one of the first embodiment and is arranged to read the hologram 45, compare it with identification informations stored in the reader itself, and enable the operation of a bolt 51 as explained hereinafter.
  • the device 6 of this invention comprises an electromechanical actuator assembly 70 for operating a bolt 51 which locks the leaf 1; such an assembly 70 is also conventional (for example, similar assemblies can be found on delayed opening safes which include electromechanical motors driven by timers), and its construction will not be described in detail.
  • this second embodiment of the invention is substantially similar to that of the first one, and may be summarized as follows; as the key 61 shaped as a card is inserted into the corresponding lock 63, the end 44 carrying the hologram 45 comes out of the lock 63 and enter the reader 48 through its opening 46.
  • the reader 48 reads the hologram 45 and checks its match with the identification informations stored in the reader. In the case of a positive match, the reader 48 enables the electromechanical assembly 70 to operate the bolt 51, thereby unlocking the leaf 1.
  • the device 6 of this invention would also lock the leaf, when the same procedure as has been used for unlocking it is followed in the reverse order.
  • the door bolt is not operated mechanically through a key, but rather through means incorporated to the device itself.
  • the second embodiment also ensures a total security for the device 6 by virtue of the provision of hologram 45, on account of the same considerations as have been offered in connection with the first embodiment.
  • the device can be readily used in a variety of applications, other than the armor doors of safes as described above, such as ordinary civil interior doors, leaves of gates and main entrance doors.
  • the device of this invention may indeed be easily adapted for different uses in alternative versions of the embodiments previously discussed; in fact, in the first embodiment described, the hologram locates on the protruding end of the key but obviously it could be provided at any other location on the key and the key could, of course be of a type different from that illustrated. It is as much evident that several holograms might be provided on one key, without this constituting a departure from the invention teaching.

Landscapes

  • Lock And Its Accessories (AREA)
  • Holo Graphy (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP94201215A 1993-05-03 1994-04-29 Dispositif de fermeture de sécurité holographique Expired - Lifetime EP0623722B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI930871 1993-05-03
ITMI930871A IT1272391B (it) 1993-05-03 1993-05-03 Dispositivo optronico di sicurezza per la chiusura, in modo apribile, di battenti in generale

Publications (2)

Publication Number Publication Date
EP0623722A1 true EP0623722A1 (fr) 1994-11-09
EP0623722B1 EP0623722B1 (fr) 2002-02-20

Family

ID=11365973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94201215A Expired - Lifetime EP0623722B1 (fr) 1993-05-03 1994-04-29 Dispositif de fermeture de sécurité holographique

Country Status (4)

Country Link
EP (1) EP0623722B1 (fr)
AT (1) ATE213519T1 (fr)
DE (1) DE69429887T2 (fr)
IT (1) IT1272391B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7140214B2 (en) 2002-04-11 2006-11-28 Ruko A/S Electro-mechanical cylinder lock-key combination with optical code

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0257808A2 (fr) * 1986-08-07 1988-03-02 THE GENERAL ELECTRIC COMPANY, p.l.c. Dispositif de sécurité
WO1992008863A1 (fr) * 1990-11-13 1992-05-29 Jury Vitalievich Kudryavtsev Systeme empechant la commutation non autorisee
US5138468A (en) * 1990-02-02 1992-08-11 Dz Company Keyless holographic lock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0257808A2 (fr) * 1986-08-07 1988-03-02 THE GENERAL ELECTRIC COMPANY, p.l.c. Dispositif de sécurité
US5138468A (en) * 1990-02-02 1992-08-11 Dz Company Keyless holographic lock
WO1992008863A1 (fr) * 1990-11-13 1992-05-29 Jury Vitalievich Kudryavtsev Systeme empechant la commutation non autorisee

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KREWSON,TAIT: "holographic security key", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 14, no. 12, 1 May 1972 (1972-05-01), NEW YORK US, pages 3832 - 3834 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7140214B2 (en) 2002-04-11 2006-11-28 Ruko A/S Electro-mechanical cylinder lock-key combination with optical code

Also Published As

Publication number Publication date
IT1272391B (it) 1997-06-23
ATE213519T1 (de) 2002-03-15
EP0623722B1 (fr) 2002-02-20
ITMI930871A0 (it) 1993-05-03
DE69429887T2 (de) 2002-11-07
DE69429887D1 (de) 2002-03-28
ITMI930871A1 (it) 1994-11-03

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