EP0426387A2 - Sicherheitssystem - Google Patents

Sicherheitssystem Download PDF

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Publication number
EP0426387A2
EP0426387A2 EP90311750A EP90311750A EP0426387A2 EP 0426387 A2 EP0426387 A2 EP 0426387A2 EP 90311750 A EP90311750 A EP 90311750A EP 90311750 A EP90311750 A EP 90311750A EP 0426387 A2 EP0426387 A2 EP 0426387A2
Authority
EP
European Patent Office
Prior art keywords
key
security system
code
control device
keys
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Withdrawn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
EP90311750A
Other languages
English (en)
French (fr)
Other versions
EP0426387A3 (en
Inventor
Philip Hall Bertenshaw
Malcolm John Bugler
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.)
Pac International Ltd
Original Assignee
Pac International Ltd
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 Pac International Ltd filed Critical Pac International Ltd
Publication of EP0426387A2 publication Critical patent/EP0426387A2/de
Publication of EP0426387A3 publication Critical patent/EP0426387A3/en
Withdrawn legal-status Critical Current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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00904—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for hotels, motels, office buildings or the like
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration

Definitions

  • This invention relates to a security system for use with electrically coded keys, said system having at least one controlled mechanism incorporating a key reader whereby the mechanism can be actuated by presentation of an appropriately coded key thereto.
  • the term 'electrically coded key' is used to indicate a portable element capable of storing a code which can be read by electrical means, whether by direct electrical contact or by magnetic or inductive or other proximity detection, to give an electrical output representative of the code.
  • An object of the present invention is to provide a simple yet effective system which can be readily set up for use with existing keys having predetermined codes.
  • a securing system for use with electrically coded keys, said system having at least one controlled mechanism incorporating a key reader whereby the mechanism can be actuated by presentation of an acceptably coded key to said mechanism key reader, characterised in that said system also has a control device for controlling the (or each) said controlled mechanism, said control device having a main key reader for reading codes of said keys when presented thereto, and a memory device for storing said codes with reference to the acceptability thereof for actuating the (or each) mechnism as aforesaid.
  • the securing system can be readily set up for use with existing keys in so far as the codes of such keys can be conveniently loaded into the system by presentation to the main reader.
  • memory storage devices such as EEPROM devices having limited write cycle capacity can be used.
  • EEPROM devices are desirable because they do not require battery support.
  • additional data may identify a selected one (or group) of said mechanisms for which the code is acceptable. Entry of such additional data may be effected via manual controls associated with the control device.
  • provision may be made for security actuation of the control device before a key code can be entered into memory and this m3y be effected by presentation of a 'master' key to the main reader.
  • these may take any suitable form and thus, for example, may comprise magnetic cards, or integrated circuit devices.
  • non-contact keys are used.
  • a device containing a digital code which can be read by an inductive proximity link without physical contact is described in GB 2176327B.
  • this may comprise a door opening mechanism.
  • the system may comprise any other suitable kind of mechanism used for any suitable purpose.
  • the system illustrated by way of example is for use in controlling two door opening mechanisms 1, 2 whereby access of personnel to different parts of secure premises can be controlled.
  • the system is used with a plurality of coded keys as discussed hereinafter.
  • the system comprises, for each door, a suitable mechanism 1, 2 which may comprise a solenoid, whereby on closure of a switch the solenoid is operated from a power source (eg. 12v) to release a bolt or to take other action to effect or permit opening of the door.
  • a power source eg. 12v
  • Associated with each mechanism 1, 2 is a respective reader 3, 4 for reading the above mentioned coded keys.
  • the readers 3, 4 may be located at convenient positions on or alongside the respective doors.
  • the system further comprises a centrally located control device 5 which is connected remotely to the respective readers 3, 4 and the mechanisms 1, 2.
  • the control device 5 has a main reader 6, for reading the above mentioned keys, also two push buttons 7, 8, a two-digit (7-segment) display device 8 and two LEDs 9, 10 coloured respectively red and green. These components are exposed on the front face 11 of a housing and are connected to control circuitry within the housing.
  • the control circuitry includes a microprocessor control device and non-volatile memory storage (e.g. EEPROM).
  • the system is used with a plurality of coded keys which have different unique codes which can be read by the different readers 3, 4, 6. That is, on presentation of a key in predetermined physical relationship to one of the readers 3, 4, 6 the reader 3, 4 or 6 receives an electrical signal representative of the respective code, which signal is passed- to the control circuitry of the control device 5.
  • each key has an integrated circuit device storing a digital code which is read by the respective reader 3, 4 or 6 when the key is presented in predetermined proximity thereto by establishment of an inductive link between an inductive component of the reader and an inductive component of the key.
  • An arrangement of this kind is described in GB 2176327B. Other arrangements can of course also be used.
  • the keys are pre-prepared with different unique codes (or numbers). To set up the system, the keys are presented one by one to the main key reader 6. One or a small number of these keys are automatically designated 'master' keys and the codes of these are stored in an appropriate part of the memory. For example the first three presented keys may be designated automatically as master keys.
  • the digital display 8 shows the identification number of the space in the memory in which the key code is to be stored and the green LED 10 is illuminated. At the same time two decimal points on the display 8 are illuminated and each of these can be switched on or off by actuating a respective one of the press buttons 7, 8. Both buttons 7, 8 are pressed if it is desired that the key should be capable of opening both door mechanisms, and only one button is pressed if access through only one door is to be permitted.
  • the key code is then entered by presenting one of the 'master' keys to the reader. This code is stored together with additional data identifying the access level or access points relating to the particular key as determined by the pressing of the buttons 7, 8. The procedure can be repeated until all memory storage spaces have been filled (as shown by the number on the digital display 8).
  • the digital display 8 indicates the storage space identification number and the red LED 9 is illuminated. This function can be used simply to identify the storage number of the key. However, if action is taken whilst the red LED is illuminated, it is now possible to delete the code from memory, thereby voiding the key, by presenting a master key to the reader 6. Voiding can also be effected without presentation of the key by selecting the identification number on the digital display, this being possible when the display is initially blank by pressing the buttons 7, 8 to increment the digits of the display. Voiding can be used if access is to be denied to a particular key or if a key has been lost.
  • control functions can be carried out using the push buttons if a master key is first presented to the reader.
  • the lock release time, the type of door release and other system data can be set, also other functions, such as copying data from one controller to another can be effected.
  • the doors can be opened by presentation of appropriate keys to the readers 3, 4.
  • a key is presented to one of the readers 3, 4 the code is checked for acceptability against the stored list of codes and the door is opened if the code is found and if the code is found to be stored in conjunction with additional access level data which indicates that the particular door can be opened by that particular key.
  • the master keys can also be used to open appropriate doors.
  • the system minimises complexity in terms of requirements for display, number of controls and level of skill required for operation of the unit.
  • Simple operation of the control device's administration system is made possible by automatically selecting the appropriate operating mode (add keys, void keys or data editing) by direct automatic analysis of the events required to carry out those functions rather than a separate selection process e.g. using a menu-driven system displayed on a vdu.
  • Presentation of a master or editor key is used not only for security as described but as an instruction to the operating system to carry out specific functions dependent upon the analysis of current data and conditions thereby simplifying operation.
  • the above described arrangement has the benefits of simplified administration and minimum number of processor operations.
  • the system can respond by automatically entering the ADD or DELETE mode, working on the assumption that if a key is presented with no listed code the user intends that an appropriate code should be established, and if a key is presented with an acceptable listed code the user intends that the code should be deleted. This saves considerable administration time, reduces complexity and minimises operational steps.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP19900311750 1989-10-28 1990-10-26 Security system Withdrawn EP0426387A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898924341A GB8924341D0 (en) 1989-10-28 1989-10-28 Security system
GB8924341 1989-10-28

Publications (2)

Publication Number Publication Date
EP0426387A2 true EP0426387A2 (de) 1991-05-08
EP0426387A3 EP0426387A3 (en) 1991-06-12

Family

ID=10665359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900311750 Withdrawn EP0426387A3 (en) 1989-10-28 1990-10-26 Security system

Country Status (4)

Country Link
EP (1) EP0426387A3 (de)
DE (1) DE426387T1 (de)
ES (1) ES2024401A4 (de)
GB (2) GB8924341D0 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19680110D2 (de) * 1995-03-08 1998-01-08 Keba Gmbh & Co Zutrittskontrollsystem mit einer Zutrittskontrolleinrichtung und einem Gehäuse und Verfahren zum Überwachen der Berechtigung eines Zugangs
US6476708B1 (en) 1998-03-20 2002-11-05 Hid Corporation Detection of an RFID device by an RF reader unit operating in a reduced power state
US7782209B2 (en) 2006-03-31 2010-08-24 Assa Abloy Ab Detection signal generator circuit for an RFID reader
US8063746B2 (en) 2006-03-31 2011-11-22 Assa Abloy Ab Transponder detector for an RFID system generating a progression of detection signals
US8203429B2 (en) 2008-04-01 2012-06-19 Assa Abloy Ab Switched capacitance method for the detection of, and subsequent communication with a wireless transponder device using a single antenna

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2069582A (en) * 1980-02-07 1981-08-26 British Relay Electronics Ltd Door locking system
EP0239342A2 (de) * 1986-03-21 1987-09-30 Emhart Industries, Inc. Elektronische Verriegelungssysteme

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556764B1 (fr) * 1983-12-16 1986-05-16 Lewiner Jacques Perfectionnements aux installations de commande et de controle des differentes serrures codees d'un ensemble

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2069582A (en) * 1980-02-07 1981-08-26 British Relay Electronics Ltd Door locking system
EP0239342A2 (de) * 1986-03-21 1987-09-30 Emhart Industries, Inc. Elektronische Verriegelungssysteme

Also Published As

Publication number Publication date
ES2024401A4 (es) 1992-03-01
GB8924341D0 (en) 1989-12-13
EP0426387A3 (en) 1991-06-12
GB2237427B (en) 1993-07-07
DE426387T1 (de) 1992-01-16
GB2237427A (en) 1991-05-01
GB9023377D0 (en) 1990-12-05

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