EP0586319A1 - System zum Fernüberwachen von geschützten Räumen - Google Patents

System zum Fernüberwachen von geschützten Räumen Download PDF

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Publication number
EP0586319A1
EP0586319A1 EP93460025A EP93460025A EP0586319A1 EP 0586319 A1 EP0586319 A1 EP 0586319A1 EP 93460025 A EP93460025 A EP 93460025A EP 93460025 A EP93460025 A EP 93460025A EP 0586319 A1 EP0586319 A1 EP 0586319A1
Authority
EP
European Patent Office
Prior art keywords
communication interface
unit
remote monitoring
interface unit
management unit
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
EP93460025A
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English (en)
French (fr)
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EP0586319B1 (de
Inventor
Pierrick Le Bourvellec
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Publication of EP0586319A1 publication Critical patent/EP0586319A1/de
Application granted granted Critical
Publication of EP0586319B1 publication Critical patent/EP0586319B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

  • the invention relates to systems for controlling access to premises protected by automatic control closing members and allowing remote monitoring via the telephone network.
  • the closing members consist for example of one or more armored doors, the opening and closing of which are conditioned by the activation of electromagnetically controlled locks. In other cases, it may be a door actuated by an electric motor.
  • Access control systems generally provide means of identifying the person requesting access to the premises. These identification means use for example a magnetic card reader which can be accompanied by a keyboard intended to receive a confidential code. The function of the system is then to detect and analyze the information supplied by the identification means and, after analysis, to authorize or not to authorize access. If so, the system then causes the actuation of electromechanical means acting on the locking or opening mechanism of the door. In advanced systems, provision is also made for monitoring the proper functioning of the operation as well as the command to re-lock the mechanism after opening.
  • Such a surveillance system is generally organized around a control unit connected to the identification means (card reader, keyboard).
  • the unit contains the identification reference data used to analyze the access request.
  • the control unit is also connected to different sensors such as door open or closed state sensors or presence detectors.
  • the monitoring system can be connected to audible or optical indicators to signal, for example, the authorization of access to the user.
  • control unit is advantageously placed inside the protected room in order to avoid any risk of manipulation at the level of the communication links between the room and the outside.
  • control unit will also be linked to an external remote monitoring center, which also allows centralized management of several protected sites.
  • Such a remote monitoring center essentially consists of a console such as a dedicated microcomputer or not, connected to the telephone network.
  • the site control unit must include a communication interface equipped with a modem also connected to the telephone network.
  • control unit To implement telesurveillance, provision will be made for the control unit to constitute and memorize the history of all or part of the events representative of the operation of the site.
  • the events to be taken into account will be, for example, requests and authorizations to access the site or anomalies detected (card not recognized, incorrect identification code, failure to open following an order).
  • the remote monitoring can then be carried out by the transmission to the console of event words representative of the stored events, either at regular intervals on the initiative of the reporting unit. control, or at the request of the console.
  • control unit comprises a single processing unit performing time-sharing both the access control functions and those of communication with the central monitoring station.
  • the control unit For the duration of the exchanges between the control unit and the remote monitoring center, operations on the site are suspended.
  • system response time to access requests is within acceptable limits for users. For this, it is necessary to dimension the processing unit accordingly by providing a processor of sufficient power and fast and large memories.
  • the software that controls the operation of the processor must also be adapted to manage the sharing of tasks between the access control and communication functions.
  • the invention aims to remedy the above drawbacks by proposing a modular embodiment of the control unit where the access control and communication functions with a remote monitoring center are assigned to separate units.
  • the subject of the invention is a system for remote monitoring of a room protected by automatic control closing members, said system comprising a remote monitoring console in communication via the telephone network with a control unit placed inside the local, said control unit being connected on the one hand to means for detecting the request for actuation of said closure members, and on the other hand to electromechanical actuation means of said closure members as well as to sensors providing status information of said actuation means, said system being characterized in that said control unit comprises a management unit and a communication interface unit which are programmable and interconnected, said management unit being responsible for creating and to supply actuation commands to said electromechanical actuation means in response to said de actuation commands and according to said state information, in that said management and communication interface units are provided for exchanging data between them and in that said communication interface unit is provided for exchanging data data with said remote monitoring console via the telephone network, in that said management unit is programmed to create event words as a function of said actuation requests and commands and of said status information and each created event word is then stored in first storage
  • the system according to the invention also has the advantage that the second storage means contained in the communication interface unit play the role of a memory for saving event words.
  • the second storage means contained in the communication interface unit play the role of a memory for saving event words.
  • said first storage means are associated with means indicating event words created and not yet transmitted to the communication interface unit and in that said actuation commands have priority with respect to said write commands.
  • This arrangement takes into account the potential slowness of data transfers between the management unit and the communication interface unit, and the fact that the second storage means therefore do not necessarily contain the last event words created by the management unit.
  • the invention further provides that said first storage means consist of a first memory addressed according to the "first in-first out” mode and pointers representing respectively the address of the last stored event word and the last event word sent by the management unit.
  • the invention also provides the possibility of programming the communication interface unit via the management unit in particular for set one or more passwords or to make automatic calls, or to cause a delay in taking the line.
  • the management unit includes a local clock and creates a status word containing in particular the time and date provided by said clock and transmits said status word to the communication interface unit after each modification of said status word and in that said status word is stored by said communication interface.
  • FIG. 1 represents a typical configuration of a site which can be provided with an access control system according to the invention.
  • the left part of the figure shows the elements visible from the outside of the room which are here a double leaf door (1) and a card reader (2).
  • the right part of the figure shows the visible elements from the inside.
  • the door (1) provided with a lock (6) and a strike (7), each leaf of the door being associated with a position detector (4, 5).
  • a push button (3) allows the user to trigger the opening of the door from the inside. The whole is controlled by the control unit (8).
  • FIG. 2 shows another possible configuration of premises which can be monitored by the system according to the invention.
  • the room comprises a first room accessible from the outside by the door (1) and a second room communicating with the first by the second door (11).
  • the control unit (8) placed in the second room, is connected to a user console (9). Access to the premises is controlled by the card reader (2) associated with the keyboard (10) allowing a secret code to be entered conditioning the authorization to access the premises.
  • Each door (1, 11) is provided with an electromagnetic lock controlled by the unit (8).
  • FIG. 3 represents the control unit (8) located in its environment in a context of remote monitoring.
  • the control unit (8) comprises a management unit (13) which is connected by a serial link (15) to the card reader (2) and by another serial link (16) to the user console (9) placed in the room to be monitored near the unit.
  • the unit (13) communicates via a communication interface unit (29) with a remote monitoring console (12).
  • the management unit (13) is finally connected to a lock interface circuit (14) itself connected to the electromechanical actuation means of the door lock (1) as well as to the associated sensors.
  • the unit (13) can also be connected to various sensors such as door opening detectors or presence detectors and to various light or acoustic signaling means.
  • An emergency power supply (18) is also provided to keep the unit in operation in the event of a failure of the electrical supply network.
  • the management unit (13) is a unit programmed to manage the authorization to open the doors as a function, for example, of time slots and the level of privilege associated with the card presented to the reader (2).
  • the unit (13) can also manage the list of prohibited cards (lost cards) and performs context backups in a memory.
  • the unit (13) finally controls the actuation of the door locks via the interface (14).
  • the interface (14) is essentially composed of power circuits for supplying the electromagnetic actuation means of the locks and of coupling elements, such as photocouplers, for transmitting to the unit (13) the signals coming from sensors associated with the electromagnetic actuation means.
  • Figure 4 shows an exemplary embodiment power circuits (14A) of the interface (14).
  • the interface can receive from the management unit (13), the actuation control signals (CFER, COUV, COM), the meanings of which will generally depend on the type of lock used and the wiring established between the electromechanical opening / closing interface and means.
  • CFER actuation control signals
  • COUV COUV
  • COM actuation control signals
  • the interface includes the output terminals (FER, MOT, OUV, + M, - M), whose electrical state depends on the actuation control signals, as well as the supply terminals + and -.
  • FIG. 4 shows a possibility of connections applicable in the configuration of FIG. 2 where the door (1) is provided with a lock, the bolt of which is actuated by a direct current motor (30) associated with a bolt movement sensor (31).
  • the door (11) can be provided with another type of lock actuated for example by an electromagnetic relay (32) associated with a strike movement detector (33).
  • the motor (30) is supplied by the power transistors (35, 36) via a current reversing relay (34).
  • the transistors (35, 36) are controlled by the signal (COUV) supplied by the unit (13) which also supplies the signal (COM) controlling the relay (34).
  • the circuit (14A) also receives from the unit (13) the signal (CFER) controlling the supply of the relay (32) via the power transistor (37).
  • the connection between the signals (COUV) and (CFER) and the power transistors is carried out by means of photocouplers ensuring the electrical isolation and of preamplifiers.
  • the operation of the circuit of the figure can be easily deduced from the diagram.
  • the power supply to the motor (30) is controlled by the signal (COUV), while the polarity, and therefore the direction of rotation, depends on the signal (COM).
  • the supply of the relay (32) depends directly on the signal (CFER).
  • the motor supply circuit (30) could supply two independent relays replacing the motor as well as additional relays connected downstream of the current reversing relay (34) via the (MOT) and (OUV) terminals.
  • the power circuit shown is capable of supplying most of the electric locks available on the market, provision may be made for additional transistor amplification modules making it possible to supply more complex systems.
  • the transistors of the amplification modules will be dimensioned so as to tolerate currents and voltages which can vary over ranges covering the needs of most of the relays and motors usually used to actuate locks and doors.
  • control unit is programmed so as to take it into account for the elaboration of the diagnostics and of the control signals according to the signals of the sensors.
  • FIG. 5 represents an embodiment of the management unit (13). This unit is organized around a bus (B) on which are connected a microprocessor (CPV) (20), a programmable memory (PROM) (21), a changeable programmable memory electrically (EEPROM) (22), a random access memory (RAM) (23), the communication interface unit (29) as well as various interface circuits (14B, 24 to 28).
  • CPV microprocessor
  • PROM programmable memory
  • EEPROM changeable programmable memory electrically
  • RAM random access memory
  • the communication interface unit (29) includes a communication controller (38) and a modem (39) connected to the telephone network.
  • the interface (24) is of the type (UART) and provides communication between the bus (B) and a serial link connected to the user console.
  • the interface (25) is also of the type (UART) allowing the bus (B) to communicate by another serial link with the card reader, the keyboard and the push button placed near the door.
  • the interface (26) is composed of a set of flip-flops or addressable buffer memories connected to an actuation circuit (27) used to control signaling means or an alarm.
  • the interface (14B) also consists of a set of addressable buffer memories which are connected to the various sensors of the system by means of photocouplers.
  • the interface (28) includes addressable buffer memories supplying the control signals of the power circuit (14A) described above.
  • the interfaces (UART 24, 25) use conventional integrated circuits offered by various manufacturers. It is therefore unnecessary to indicate in detail the constitution and implementation. Similarly, the realization of the various interfaces (14B, 26 to 29) is within the reach of the skilled person and therefore does not require additional explanations.
  • the memory (21) is a non-volatile memory containing all of the monitoring, communication and system initialization programs.
  • the monitoring program consists of a program main and a plurality of modules specific to different types of locks that can be managed by the system.
  • the memory (22) is a non-volatile memory capable of being electrically modified and intended in particular to receive the address of a specific module corresponding to a chosen type of lock.
  • the memory (23) is a random access memory used to temporarily store data representative of the state and history of the operation.
  • the circuit of Figure 5 operates as follows.
  • the user console requests an initialization program comprising a user interface program allowing the presentation of an installation menu that can be displayed on the user console.
  • This installation menu allows you to display a list of the different types of locks that can be managed by the unit.
  • the installation program loads into the memory (22) a connection address of a specific module corresponding to the selection.
  • the menu also makes it possible to program certain operating parameters of the communication interface unit (29), in particular for storing passwords or telephone numbers.
  • the system is operational to manage access control.
  • the monitoring program consults the address contained in the memory (22) to connect to the specific module corresponding to the type of lock selected during installation .
  • the specific program modules will normally be loaded into the program memory (21) during the manufacturing of the control unit. These modules will obviously be designed according to the specifications of the corresponding types of lock. If necessary, an installation guide can be provided indicating for each type of lock the connections to be made so as to ensure in all cases the compatibility between the modules and the associated types of locks.
  • FIG. 6 shows the essential elements of the communication controller (38) of the communication interface unit (29).
  • the controller (38) is organized around a bus (B1) on which are connected a processing unit (40), an electrically modifiable non-volatile memory (41), a program memory of the PROM or EPROM type (not shown) and a random access memory (42).
  • a UART type communication interface (43) is interposed between the processing unit (40) and the modem (39).
  • the unit (40) is finally connected directly to the bus (B) of the management unit (13).
  • the processing unit (40) essentially consists of a processor (44) and input (45) and output (46) buffers serving as interfaces to the bus (B).
  • the processing unit (40) is of conventional type and therefore does not require more detailed explanations.
  • FIGS. 7 and 8 Before explaining the operation of the communication controller (38), it is necessary to describe the addressing mode of the random access memories (23) and (42) programmed in the management and communication interface units.
  • This addressing mode is shown diagrammatically in FIGS. 7 and 8.
  • the references (23) and (42) respectively represent the memories (23) and (42) defined above or more exactly the memory spaces allocated to the words of event in these memories.
  • a first pointer (CTO) contained in an address register of the management unit (13) defines the memory location intended to receive the future event word (MO) which will be created by the unit (13). Immediately after its creation, this word is recorded at the address defined by the pointer (CT0) then the latter is incremented by one.
  • CTO first pointer
  • a second pointer (CT1) contained in an address register of the management unit (13) defines the address of the last event word (M1) having been transmitted by the management unit (13) to the communication interface unit (29).
  • the memory space (42) of this unit therefore contains a copy of this last word (M1) whose address is also defined by a pointer (CT2).
  • CT2 pointer
  • the management unit (13) can therefore use the pointers (CT0) and (CT1) to determine the event words remaining to be transmitted.
  • the communication interface unit uses a second pointer (CT3) representative of the address of the last event word (M2) having been transmitted to the remote monitoring console so as to determine the words of event still to be transmitted to him.
  • the remote monitoring system works as follows.
  • the management unit (13) monitors the access requests materialized by signals emitted by the card reader. When such a request is detected, the unit (13) verifies the conformity of the card and possibly of the access code composed on the keyboard (10) and, in the event of conformity, it releases the closing members by the sending of appropriate signals to the actuating means (motor, relay) of these members. It then monitors the signals transmitted by the sensors so as to check that operations are progressing smoothly.
  • any request for access, conformity or not of a card or a code, sending of control signals and reception and interpretation of the signals emitted by the sensors constitute an event that the unit (13) stores in the form an event word in the RAM (23).
  • the unit (13) initializes an operation of copying this word to the communication interface unit (29). This results in the sending of a write command to the processing unit (40) via the bus (B). If the unit (40) is available, the transfer of the event word is performed and the processor (44) writes corresponding in the memory (42). If the transfer cannot be carried out immediately, it is possible that other new event words are created and loaded into the memory (23). Also, the unit (13) uses the pointers (CT0) and (CT1) to determine the part of memory (23) remaining to be transferred to the unit (29). The unit (13) automatically carries out transfer attempts as soon as it is no longer requested by any real-time or priority operation such as programming by the user console (9).
  • the remote monitoring console is not dedicated, which implies that the data transfers from the memory (42) to the console (12) are only made on the initiative of the latter.
  • the communication protocol will advantageously be made for the communication protocol to include the sending of a password which the unit (29) checks by comparing it to a reference code stored in the memory (41).
  • a telematic terminal can in some cases replace the remote monitoring console.
  • provision may be made for programming the system from the console (12) to define, for example, operating modes.
  • operating modes For example, time slots will be defined during which only certain card categories will allow access to the premises.
  • a mode of security may also be imposed in the event of threats or increased particular risks.
  • These operating modes will be imposed on the system by the console in the form of messages transmitted to the management unit via the communication interface unit. In such a case, it is not useless to reinforce security by providing for a reminder of the console by the interface unit before taking into account its commands.
  • the unit program (38) will then be provided to automatically dial the console call number.
  • This call number can advantageously be programmed by means of the management unit (13) by sending an order to write the call number in the programmable memory (41).
  • the remote monitoring console is dedicated. We can then also provide that the unit (29) takes the initiative to regularly transfer the content of its memory (42) to the dedicated console.
  • the management unit In order to improve the security of the system, it is useful to be able to check whether the management unit is operating normally. For this, it can be programmed so as to permanently create a status word containing in particular the date and time extracted from its internal clock (not shown). The status word may also contain additional information relating to the operating mode of the system (time slot, increased security).
  • this status word thus constituted will be transmitted to the unit (29) which will store it in a register or at a determined memory address.
  • the status word can be consulted by the remote monitoring console and allow thus detecting any anomaly in the data it contains.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Alarm Systems (AREA)
EP93460025A 1992-09-02 1993-08-30 System zum Fernüberwachen von geschützten Räumen Expired - Lifetime EP0586319B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9210620A FR2695226B1 (fr) 1992-09-02 1992-09-02 Système de télésurveillance de locaux protégés.
FR9210620 1992-09-02

Publications (2)

Publication Number Publication Date
EP0586319A1 true EP0586319A1 (de) 1994-03-09
EP0586319B1 EP0586319B1 (de) 1997-01-15

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Application Number Title Priority Date Filing Date
EP93460025A Expired - Lifetime EP0586319B1 (de) 1992-09-02 1993-08-30 System zum Fernüberwachen von geschützten Räumen

Country Status (4)

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EP (1) EP0586319B1 (de)
DE (1) DE69307435T2 (de)
ES (1) ES2096259T3 (de)
FR (1) FR2695226B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741103A1 (fr) * 1995-11-15 1997-05-16 Brink S Sa Dispositif de commande de l'ouverture d'au moins deux portes et agencement de protection d'appareils le comportant
WO1998054676A1 (en) * 1996-05-20 1998-12-03 Bewator Aktiebolag System for control and surveillance of access and alarm installations within one or a number of buildings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634846A (en) * 1984-05-22 1987-01-06 American District Telegraph Company Multimode programmable stand-alone access control system
US4831374A (en) * 1983-03-14 1989-05-16 Barry Masel Electric lock system
US4839640A (en) * 1984-09-24 1989-06-13 Adt Inc. Access control system having centralized/distributed control
US4857714A (en) * 1988-03-18 1989-08-15 Sunyich Steven L Credit card storage system
US5119295A (en) * 1990-01-25 1992-06-02 Telecredit, Inc. Centralized lottery system for remote monitoring or operations and status data from lottery terminals including detection of malfunction and counterfeit units

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831374A (en) * 1983-03-14 1989-05-16 Barry Masel Electric lock system
US4634846A (en) * 1984-05-22 1987-01-06 American District Telegraph Company Multimode programmable stand-alone access control system
US4839640A (en) * 1984-09-24 1989-06-13 Adt Inc. Access control system having centralized/distributed control
US4857714A (en) * 1988-03-18 1989-08-15 Sunyich Steven L Credit card storage system
US5119295A (en) * 1990-01-25 1992-06-02 Telecredit, Inc. Centralized lottery system for remote monitoring or operations and status data from lottery terminals including detection of malfunction and counterfeit units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741103A1 (fr) * 1995-11-15 1997-05-16 Brink S Sa Dispositif de commande de l'ouverture d'au moins deux portes et agencement de protection d'appareils le comportant
WO1998054676A1 (en) * 1996-05-20 1998-12-03 Bewator Aktiebolag System for control and surveillance of access and alarm installations within one or a number of buildings

Also Published As

Publication number Publication date
FR2695226B1 (fr) 1994-12-09
ES2096259T3 (es) 1997-03-01
FR2695226A1 (fr) 1994-03-04
DE69307435T2 (de) 1997-05-22
EP0586319B1 (de) 1997-01-15
DE69307435D1 (de) 1997-02-27

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