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EP2141663A2 - Verfahren zur Authentifizierung mechanischer Schlüssel und damit verbundene Vorrichtungen - Google Patents

Verfahren zur Authentifizierung mechanischer Schlüssel und damit verbundene Vorrichtungen Download PDF

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Publication number
EP2141663A2
EP2141663A2 EP20090008393 EP09008393A EP2141663A2 EP 2141663 A2 EP2141663 A2 EP 2141663A2 EP 20090008393 EP20090008393 EP 20090008393 EP 09008393 A EP09008393 A EP 09008393A EP 2141663 A2 EP2141663 A2 EP 2141663A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
lock
key
keys
locks
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Withdrawn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
EP20090008393
Other languages
English (en)
French (fr)
Inventor
Shrikant Pathak
Anders Trell
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.)
Trell Anders Edvard
Original Assignee
Trell Anders Edvard
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 Trell Anders Edvard filed Critical Trell Anders Edvard
Publication of EP2141663A2 publication Critical patent/EP2141663A2/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • E05B47/0638—Cylinder locks with electromagnetic control by disconnecting the rotor
    • E05B47/0642—Cylinder locks with electromagnetic control by disconnecting the rotor axially, i.e. with an axially disengaging coupling element
    • 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
    • E05B2047/0084—Key or electric means; Emergency release
    • 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
    • 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
    • G07C2009/00769—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 wireless means
    • G07C2009/00777—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 wireless means by induction
    • 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
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys

Definitions

  • This invention generally relates to access control; in one aspect to a new method for turning mechanic access control to "EAC" (Electronic Access Control) by converting existing mechanical cylinder lock keys to "smart" EAC keys without affecting their mechanic locking property and/or changing their respective existing lock cylinder; assisted by means of specifically designed and working credential readers, lending such keys and other new key devices, such credentials.
  • the invention also relates to associated reader devices and key devices; one aspect is moreover for providing general EAC access for staff, e.g. home-care providers, as well as beside also maintaining individually defined EAC access for e.g. residents.
  • the key doesn't have any restriction other then that it fits in its lock, i.e. it always work in that lock. This means that that a lost key cannot be incapacitated, other than by changing its belonging lock, which is costly and disturbing, esp. if many persons use that lock.
  • the key also does not have any separate identity, so key abuse etc. becomes anonymous, thus untraceable to a specific source or incident; and thus corrective measures hardly be taken. If a large number of users, esp. staff, are involved, some sort of key administration is often needed.
  • Fig. 1 shows a (pin tumbler) cylinder lock standard key with bow (1), shoulder (2), blade (3), keyway groves (4), mechanical encoding, "cuts" (5) and tip (6).
  • an RFID (or other code carrier format) circuit here as a clip at the bow and through which the key is given individually programmable credentials (7). This can be done also as retrofit, and keys keeps their mechanical properties.
  • cordless/proximity "card”/reader formats e.g. Wiegand
  • the credentialing (cordless) code-carrier of/to a key can also be an external accessory, e.g. key holder, badge, Bluetooth/NFC(Near Field Communication)-enabled cellphone etc., still and in cooperation with a reader device of the present invention enabling only valid keys to open and/or lock; and all in a traceable way.
  • an external accessory e.g. key holder, badge, Bluetooth/NFC(Near Field Communication)-enabled cellphone etc.
  • a reader device is partly a reader (electronic) for e,g. RFID (or other employed code-carrier format) and partly a contrivance (electro-mechanical) for allowing key devices according to this invention to carry through a lock/unlock operation; and which not (as distinguished from prior art) in any way calls for changing a cylinder.
  • a so called lock knob which functions also when the cylinder stands still, by virtue of various arrangements whereof one is exemplary illustrated in Fig. 6 .
  • the cylinder is rotationally caught by a contrivance as exemplified in Fig. 7A , an inserted, even mechanically correct, non-credentialed key is blocked from rotating the cylinder and thus operate the lock.
  • the lock knob can operate unaffected, as is also the case with a version exemplified below.
  • the cylinder can rotate, but only at command will such rotation be transfered to move the bolt. It can however in both these versions be sensed/alarmed etc. if an unauthorized party is attempting to enter; and an event log can be kept of all authorized entries.
  • the below nearer described embodiments are electromechanical parts of a reader device embodiment, exemplary and non limiting herein disclosed; and are external to the cylinder and thus implementable without changing same. They are preferably always in catch respective disengagement by constructions as in Fig. 7 A/B and release/catch by order of a reading part of the present invention when an according to this invention credentialed key inserts in the keyway of the cylinder.
  • Figs. 2-5 are schematic and will just show/illustrate appearance etc. of some here employed locks.
  • tailpiece 21 64
  • the so called tailpiece 21 64
  • FIG. 6 provides general background for herein described embodiments.
  • a standard coupling device 61 In top view is seen a standard coupling device 61, and also how it can move a bolt 62 upon rotating.
  • "plug" 63 seen (with its “case”) in front/back (a1/a2) and side (b1/b2) views, a bar, "tailpiece” 64, inserts halfway deep in the hole 65.
  • a bar, "tailpiece” 64 inserts halfway deep in the hole 65.
  • a, here cross-shaped, bar-end (66) from a lock knob inserts, also halfway deep.
  • plug turns here 90°; other angles and thus other 61 constructions exist, but this description is intended to be exemplary also for such; and with from case to case dependent design variation
  • 61 will rotate, moving 62 along.
  • Object and design of a coupling device, as 61 is, as noted in the art, to allow plug and door knob to actuate lock independently.
  • cylinder lengthener which does merely what it is called. It is in Fig. 6 indicated as 67 till the dotted line 68 which indicates where attached. It is inserted between the cylinder and the coupling device 61, due to thick doors etc.; is about 10 mm thick and contains just an extension to/of 64. If the cylinder then gets so long that its front, with "keyway" 60, stretches out of the door, there are other standard accessories to envelope it, so called cylinder rings, 69, of various depths, which can cover any protruding (caused by insertion of 67; also then 69 can house a possible reader antenna, as well as later herein described galvanic contact points). These and other standard accessories or parts herein accounted for, are standardized and easy to insert and/or mount, also for an end user.
  • the described preferred embodiments A, 71 and B, 72 of Fig. 7 are shown in side view and axial top-to-bottom mid section; and are shown inserted in lieu of a lengthener 67 to a cylinder also shown, with key and cylinder ring (69). They are shown in states a : lock operable and b : lock inoperable; for a mechanically correct key.
  • the drawings are exemplary, schematic and illustrative; and dimensionally not exact, esp. 71/72 are greatly length exaggerated to facilitate illustrating their working.
  • the true length should be about 10 mm to correspond to a standard lengthener
  • a standard door aperture for a cylinder lock allows for much more radial (when rim locks also more longitudinal) space, which can be used to house parts of for these embodiments for mortise locks needed mechanisms, whereof two (71/72) are below nearer described.
  • a cylindrical rod or plunger, 73 here (as in all drawings) cut open through its vertical middle, enclasps a here shown divided and so lengthened (a whole long bar is here also possible) tailpiece/bar 64, thus rotationally reuniting it ( Fig. 7 A) .
  • 73 is here shown having a hole 74 checked (filled) by a ferromagnetic rod 75 kept out by a spring 76 and released when, on command, a solenoid, 77, draws in 75; and which then allows rotation of the cylinder cum tailpiece (state a ).
  • 73 is (ferromagnetic and) axially slideable along and over a gap in 64 and by spring 76 normally ( b ) in a position off the 64 rear extension thus, that even if the plug rotates, 64 won't. Only when ( a ), on command, - e.g. on reading a credentialed (and mechanically correct) key - solenoid 77 draws, that can happen.
  • One version could be to remove the ordinary tailpiece and (from other side of the lock) make a matching tap go into or out of the, typically, slot in the cylinder rear end that is for holding the ordinary tailpiece ( Fig 8 ).
  • a lock knob can be arranged as per above.
  • the logical checking of credentialed keys is done by the sensing/evaluating/steering part(s) of the reader device according to the present invention.
  • an antenna and adequate design, program etc.
  • the keys can however be wanted encoded in other digital formats than cordlessly transferable, then bound to have galvanic contact points to electronic/logic parts, preferably at the key bow; and also here the method of this invention will work.
  • Key 91 has a longer shoulder (92) than usual and continues then in ordinary way. On it needed contact point(s), 94, is (the metal of the blade can be another lead) /are put. Any needed number of points; and side of key is possible. (It could be noted that in Figs. 7 and 9-11 also a cordless clip (7) is shown on the key, because to the mechanical operation, the electronic code format is all one).
  • a (mechanically correct) key isn't hindered from inserting, but, if not credentialed, hindered from operating the lock, the contact point(s) can make contact with the reader upon full insert.
  • the keyway can be outwardly extended by two lips or a slot, wherein the corresponding contact leads, points etc. (610) from the electronic part of the reader device can reside.
  • These parts (610) are preferably included in a cylinder ring (and rotate along with a key) rather than be put on the cylinder.
  • the galvanic contact allows then for digital encoding formats not suitable for cordless transfer, as well as it can provide the possibly needed electric power (in lieu of batteries in the key) to the digital circuits of the key, preferably located in its bow. Needed power is very less and thus the reader device can supply, even if it self is battery powered (RFID/Wiegand on the other hand, don't need own power).
  • a correct code has been conventionally read, processed and approved, a mechanism such as e.g. A of Fig. 7 is ordered to act. All of this can be done by distributed parts, but can also be included in e.g. a compound reader embodiment residing on the inside of the door, e.g. when rim locks and/or long range cordless formats are employed.
  • the present invention can completely secure a retained cylinder lock by credentialing those keys that still remain with residents, relatives, house personell etc.; and if a mentioned motor/handle-mechanism is to be steered by some cord/cordtess "card" reader device, it is realized that a reader device of this invention can serve also that purpose; empowering a key for this code; and a motor, handle etc. for that.
  • Same code carrier can be used for both systems and combinations/hybrids are possible, where a motor/handle mechanism employes one format, e.g.
  • card/code, biometry, IR/RF, Blutooth/NFC, and a credentialed key employs other, corded/cordless (or both as in the drawings); or (also when used alone) has its own on board code carrier(s), complemented by exterior carrier(s), e.g. a Bluetooth/ NFC cellphone.
  • One object of the present invention is to here provide a new, universally useable and “motoring” key device (10) for all the according to this embodiment of the invention reader-equipped locks, while at same time letting the locks' ordinary and individual as per the present invention credentialed keys work as before.
  • FIG. 7 By slight modification of the reader device embodiments of Fig. 7 , one exemplary preferred reader device embodiment is rendered, which will accept both generic and individual as per this invention credentialed keys. With reference to Fig.11 and a separate key device, Fig.10 , one will be nearer described later below.
  • a such key device (10) of this invention works on the fact that the keyway of esp a pin tumbler cylinder lock (and other types, such as disc tumbler ones, here meant included, alhough construction then may differ) is going all through the plug, ending by an arrangement, as e.g. and typically the one indicated in Fig.8 , for retaining a tailpiece, other driver bar or cam; and that, non with standing its folds, it is readily penetrated all through by a suited thin e.g. metal/plastic blade and/or an about 1 mm thick (cylindric) shaft.
  • the tip (16) is separated from the blade (13) and instead like an arrow-head merged in an about 1 mm thick peg or shaft (15) which in its turn is fixed to the bow (11) while rotate-able going through the shoulder (12), thus rotating when 11 turns while 12 and its blade (13) stand still.
  • Shaft 15 should be made from very strong material: metal, reinforced plastic, ceramics etc. (a one mm insex-key comes to mind for high torque); blade 13 is divided into two, supporting 11 and keeping the lock pins up for taking out the key.
  • Length of a cylinder depends on number of pins (discs etc.), predominantly 5 or 7 pins (a difference of about 8 mm). Since this difference isn't discernible from the outside, a preferred key device embodiment should have such long blade that it can be fully inserted in the 7 pins (longest) cylinder, while being property stopped from further insert into the shortest one (as will be later herein expounded; Fig 10 , however, will just illustrate a key device proportioned to a 5 pins lock). For the corded code transfers contact points 94, this will have some design consequences (solvable, but not further herein treated), while cordless formats stay unaffected.
  • Fig. 6 shows the all-pervading bottom L(+ inversion)-profiles of keyways, discernible from the outside.
  • two versions of a key device 10 can be provided, one for each "L-course", which makes for a thicker and thus steadier blade bottom, better supporting the shaft and maybe eliminating need for a top blade part; the cylinder pins just slightly lifted when a here polled 16 goes in and out.
  • Such variation is not here nearer described, just mentioned as example of possible variants which all are meant included in the present inventive thought.
  • the front view ( Fig. 10b .) of tip and blade shows the thinner blade and thicker shaft.
  • the arrow-head tip is forged in one solid piece whereas blade and peg are separate parts; the blade's two toungues flanking and supporting the peg. Behind, the thicker shoulder and the even thicker bow with clip are indicated.
  • Fig. 8 shows how a tailpiece usually looks and is held to the cylinder. It is thus perpendicular to the key and detach-ably held by a dip, thus replaceable by a to Fig. 7 similar contrivance and plunger device.
  • rod 75 is filling out hole 74 of plunger 73, thus preventing both rotation and length movement, until activation.
  • 73 is pressed against it by spring 76; and entering its holding slot 8 in the cylinder preferably just by two spikes 9, thus leaving its rear center area free for a slot formed after the "arrow-head" 16 and (with some tolerance) accepting its insertion to a predefined point.
  • Bar 64 has just a hind part and 73 can slide along over it, always transferring any axial turn.
  • a thereafter withdrawn 75 allows transfer of the cylinder's rotation (if hole 74 instead is a fittingly long groove in 73's periphery, it is seen that a mechanically correct, but not credentialed key can actuate instead, if so is desired); and when ( a , b ) an approved and generic according to this invention credentialed key device as of Fig 10 (not having any mechanical code cuts) wants to actuate the lock, a withdrawn 75 (a) also allows this, without any rotation of the cylinder, following procedures as below explained.
  • the shoulder could have (not shown in Fig. 10 and apart from herein earlier disclosed features such as contact points) an enlarged portion facilitating holding it when inserting the key device into the lock.
  • the "arrow-head" tip becomes fully inserted in the slot in 73 and thus, being flat, able to axially rotate same upon key (bow) turn, should not 73 be blocked.
  • shoulder would in shorter cylinder versions not be fully inserted and measures as indicated earlier may be taken; functionality remains, though; and in Figs. 10-11 full insertion is assumed.
  • the bow with rod has now an axial play vis-a-vis the shoulder the few mm:s it takes to free the e.g. spikes of 73 from the hold in the cylinder's holding slot; and is furthermore turnable vs. the shoulder but is blocked from utilizing these features by rod 75 ( Fig.11 b ). If however being credentialed for the lock, by own or separate means, e.g. a cellphone with NFC, 77/75 on proper command will release 73 and thus allow it to slide off its hold and transfer rotation to bar 64 upon pressing in and turning the key-bow; and this, then, without rotation of the cylinder ( Fig.11 a ).
  • a shaft 11 can be freed for rotation (on 73 release) e.g. by sliding in vs. the key shoulder (as in in Fig 10 ), or further insert whole (not slideable vs. 12) key device.
  • reverse function i. e. obstruction on power, is possible.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP20090008393 2008-06-30 2009-06-26 Verfahren zur Authentifizierung mechanischer Schlüssel und damit verbundene Vorrichtungen Withdrawn EP2141663A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0801538 2008-06-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103895939A (zh) * 2012-12-26 2014-07-02 中钞海思信息技术(北京)有限公司 防自锁型运钞袋装置
DE102015113416A1 (de) * 2015-08-14 2017-02-16 Assa Abloy Sicherheitstechnik Gmbh Schlüssel für ein elektronisches oder mechatronisches Schloss-Schlüssel-System und Schloss-Schlüssel-System für einen Schlüssel
EP3289152A4 (de) * 2015-04-30 2019-01-02 Bryan Michael Risi Betätigungsanordnung für ein verriegelungssystem

Citations (21)

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Publication number Priority date Publication date Assignee Title
US3889501A (en) 1973-08-14 1975-06-17 Charles P Fort Combination electrical and mechanical lock system
US4277962A (en) 1978-06-06 1981-07-14 Neiman Sa Device for blocking key passage of a lock
US4393672A (en) 1978-12-13 1983-07-19 Egon Gelhard Cylinder lock and key assembly
US4788859A (en) 1987-11-13 1988-12-06 Khattak Anwar S Method and apparatus for determining deflection in pavement
US4924686A (en) 1987-02-09 1990-05-15 R. Berchtold Ag Contact device for transmitting electrical signals between a lock and key in a cylinder lock
US4988552A (en) 1988-06-17 1991-01-29 Composite Concepts Company Electrical discharge machining electrode
US5003801A (en) 1987-01-20 1991-04-02 Ford Motor Company Programmable key and improved lock assembly
US5311757A (en) 1992-03-06 1994-05-17 Aug. Winkhaus Gmbh & Co. Kg Flat key with circuit chip
US5351042A (en) 1991-03-19 1994-09-27 Yale Security Products Limited Lock, key and combination of lock and key
US5771722A (en) 1993-11-12 1998-06-30 Kaba High Security Locks Corporation Dual control mode lock system
US5775148A (en) 1995-03-16 1998-07-07 Medeco Security Locks, Inc. Universal apparatus for use with electronic and/or mechanical access control devices
US5848541A (en) 1994-03-30 1998-12-15 Dallas Semiconductor Corporation Electrical/mechanical access control systems
US6318137B1 (en) 1998-04-08 2001-11-20 David Chaum Electronic lock that can learn to recognize any ordinary key
US6418763B1 (en) 2001-01-16 2002-07-16 Tsun Thin Huang Electronic chip functioned lock
US6442985B1 (en) 1999-06-11 2002-09-03 Nissan Motor Co., Ltd. Lock apparatus and lock system
US6927670B1 (en) 1992-02-14 2005-08-09 Security People, Inc. Conventional mechanical lock cylinders and keys with electronic access control feature
WO2006098690A1 (en) 2005-03-18 2006-09-21 Phoniro Ab A method for unlocking a lock by a lock device enabled for short-range wireless data communication in compliance with a communication standard, and associated devices
US7140214B2 (en) 2002-04-11 2006-11-28 Ruko A/S Electro-mechanical cylinder lock-key combination with optical code
SE529017C2 (sv) 2004-02-10 2007-04-10 Lars Mattson Anordning för en låskista eller liknande
US7316140B2 (en) 1998-04-07 2008-01-08 Stanley Security Solutions, Inc. Electronic token and lock core
US7397343B1 (en) 1992-02-14 2008-07-08 Security People, Inc. Conventional mechanical lock cylinders and keys with electronic access control feature

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889501A (en) 1973-08-14 1975-06-17 Charles P Fort Combination electrical and mechanical lock system
US4277962A (en) 1978-06-06 1981-07-14 Neiman Sa Device for blocking key passage of a lock
US4393672A (en) 1978-12-13 1983-07-19 Egon Gelhard Cylinder lock and key assembly
US5003801A (en) 1987-01-20 1991-04-02 Ford Motor Company Programmable key and improved lock assembly
US4924686A (en) 1987-02-09 1990-05-15 R. Berchtold Ag Contact device for transmitting electrical signals between a lock and key in a cylinder lock
US4788859A (en) 1987-11-13 1988-12-06 Khattak Anwar S Method and apparatus for determining deflection in pavement
US4988552A (en) 1988-06-17 1991-01-29 Composite Concepts Company Electrical discharge machining electrode
US5351042A (en) 1991-03-19 1994-09-27 Yale Security Products Limited Lock, key and combination of lock and key
US6927670B1 (en) 1992-02-14 2005-08-09 Security People, Inc. Conventional mechanical lock cylinders and keys with electronic access control feature
US7397343B1 (en) 1992-02-14 2008-07-08 Security People, Inc. Conventional mechanical lock cylinders and keys with electronic access control feature
US5311757A (en) 1992-03-06 1994-05-17 Aug. Winkhaus Gmbh & Co. Kg Flat key with circuit chip
US5771722A (en) 1993-11-12 1998-06-30 Kaba High Security Locks Corporation Dual control mode lock system
US5848541A (en) 1994-03-30 1998-12-15 Dallas Semiconductor Corporation Electrical/mechanical access control systems
US5775148A (en) 1995-03-16 1998-07-07 Medeco Security Locks, Inc. Universal apparatus for use with electronic and/or mechanical access control devices
US7316140B2 (en) 1998-04-07 2008-01-08 Stanley Security Solutions, Inc. Electronic token and lock core
US6318137B1 (en) 1998-04-08 2001-11-20 David Chaum Electronic lock that can learn to recognize any ordinary key
US6442985B1 (en) 1999-06-11 2002-09-03 Nissan Motor Co., Ltd. Lock apparatus and lock system
US6418763B1 (en) 2001-01-16 2002-07-16 Tsun Thin Huang Electronic chip functioned lock
US7140214B2 (en) 2002-04-11 2006-11-28 Ruko A/S Electro-mechanical cylinder lock-key combination with optical code
SE529017C2 (sv) 2004-02-10 2007-04-10 Lars Mattson Anordning för en låskista eller liknande
WO2006098690A1 (en) 2005-03-18 2006-09-21 Phoniro Ab A method for unlocking a lock by a lock device enabled for short-range wireless data communication in compliance with a communication standard, and associated devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103895939A (zh) * 2012-12-26 2014-07-02 中钞海思信息技术(北京)有限公司 防自锁型运钞袋装置
CN103895939B (zh) * 2012-12-26 2016-08-03 中钞海思信息技术(北京)有限公司 防自锁型运钞袋装置
EP3289152A4 (de) * 2015-04-30 2019-01-02 Bryan Michael Risi Betätigungsanordnung für ein verriegelungssystem
DE102015113416A1 (de) * 2015-08-14 2017-02-16 Assa Abloy Sicherheitstechnik Gmbh Schlüssel für ein elektronisches oder mechatronisches Schloss-Schlüssel-System und Schloss-Schlüssel-System für einen Schlüssel

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