EP0724056B1 - Fernbedienungseinrichtung mit Hertzschen, infraroten Wellen od. dgl. zur Steuerung von motorbetriebenen Schliesssystemen - Google Patents

Fernbedienungseinrichtung mit Hertzschen, infraroten Wellen od. dgl. zur Steuerung von motorbetriebenen Schliesssystemen Download PDF

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Publication number
EP0724056B1
EP0724056B1 EP96440010A EP96440010A EP0724056B1 EP 0724056 B1 EP0724056 B1 EP 0724056B1 EP 96440010 A EP96440010 A EP 96440010A EP 96440010 A EP96440010 A EP 96440010A EP 0724056 B1 EP0724056 B1 EP 0724056B1
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EP
European Patent Office
Prior art keywords
receiver
transmitter
code
remote control
transmitted
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
EP96440010A
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English (en)
French (fr)
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EP0724056A1 (de
Inventor
Louis Plumer
Djafar Nassr
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ALIADE
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ALIADE
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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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/0023—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks with encription of the transmittted data signal
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00261—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one function
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/08—With time considerations, e.g. temporary activation, valid time window or time limitations

Definitions

  • the invention relates to a device for remote control by radio waves, infrared or the like, in particular motorized locking systems, such as roller shutters, as defined in the preamble of claim 1.
  • the present invention is able to find its application in all types of devices for remote control by radio, infrared or similar waves and, in particular, when such a device makes it possible to manage the operation of the motorized closing system such as rolling shutters in a home.
  • the order transmitted via this transmitter is coded through a appropriate coding unit, while the receiver has a decoding unit so that it executes the order transmitted by a transmitter, only if it recognizes the code.
  • the code can be chosen by the user who, for this, intervenes, on the one hand, on a multitude of switches with two positions at the level of the transmitter.
  • the combination thus produced is transferred, on the other hand, to the switches of analog configuration associated with the receiver so that it is able to recognize the transmitter code.
  • a device for the remote transmission of a safety command comprising a transmitter capable of transmit coded messages and a receiver connected to the load to be controlled.
  • This receiver has a decryption unit for the transmitted code, as well as a processing which, after verification and reading of said code, is capable of transmitting a control signal to said load.
  • the transmitter's encryption module is broken down into a microprocessor and a EEPROM memory, this set making it possible to determine an evolving code according to a defined algorithm which, moreover, is known by the decryption and decoding unit of the receiver.
  • the code transmitted by the transmitter is systematically calculated on the basis of the code previously transmitted, the receiver, having the same calculation data, is capable, with each new transmission, of determining a code which must be identical to that received. Therefore, it is only after having noted the concordance of the transmitted code and the new code calculated by the receiver that the unit of treatment of the latter makes it possible to act on the load so that it performs the command requested. It is observed that the code transmitted by the transmitter is broken down into a basic code and a dynamic code. It is precisely the latter that evolves in function of the algorithm known by the microprocessor.
  • the receiver located at a distance too far from the transmitter, does not perceive the code emitted by the latter, the two elements are no longer in phase. It is then provided, in this previous document, the possibility for the receiver to get back in phase with the transmitter as soon as the instant he can identify the base code. If this condition is met, it comes to store in memory the new dynamic code which allows it, during a new broadcast on the part of the transmitter, to calculate the new dynamic code at the base of the precedent known in memory.
  • this device presents only security relative since, knowing the algorithm implemented by the microprocessor and after identification of the basic code, everyone is able to design a compatible transmitter with the receiver.
  • a remote control device comprising a receiver associated with a locking system as well as a transmitter to transmit a coded command, the code breaking down into two parts, one of which allows the identification of an emitter relative to the receiver.
  • the other part being encrypted by a transmitter according to an algorithm defined and known by the unit of decoding of the receiver.
  • the purpose of the solution according to the present invention is to respond effectively to all of the above problems by view of increased safety of such control devices with distance which emit either by radio waves or by infrared for example.
  • the invention solves the problem and consists of a control device to distance by radio, infrared or similar waves, in particular of motorized locking systems, such as roller shutters, including a receiver associated with each closing system and provided, on the one hand, with a unit of central processing capable of managing the operation of resources motors and, on the other hand, a decoding unit capable of interpret the information transmitted by a transmitter through a coding unit, the transmitter and the receiver having an EEPROM memory at the level of which a code broken down into at least two parts, one of which allows the identification of a transmitter relative to a receiver and the other part of which corresponds to the control key, is encrypted by the transmitter according to an algorithm defined and known by the receiver decoding unit, the EEPROM memory of the receiver being programmed to be able to recognize a initialization procedure in the form of cut sequences of the electrical power supply from this receiver to with the aid of suitable cut-off means, with a view to phase the second part of the code corresponding to the receiver at that of an issue
  • the advantages of the present invention consist of which only the first part of the code introduced at the level of receiver and transmitter is likely to be known. In fact, it is through this first part of the code that receiver will recognize a transmitter that will be able to order. As for the second part of the code, it is not defined neither by the manufacturer nor by the user. She is the result of a calculation carried out through an algorithm known by the transmitter and the receiver, so this second part code evolves with each order transmission between the issuer and the receiver.
  • the initialization procedure is transmitted to the receiver by control means consisting, essentially, of a cut-off sequence of supplying electrical power to said receiver.
  • this entry first part of code can be determined based on manufacturing conditions (serial number, or other) so that it is known only by the manufacturer. Then he must have the encryption algorithm known to the receiver. Finally, he must have knowledge of the procedure receiver initialization and be able to access the means of command to perform this procedure initialization.
  • the transmitter can also only transmit a limited number of times during a determined time the code from which this implementation results phase with the receiver.
  • Figure 1 is a very schematic view of a closure system, particularly a motorized roller shutter with which a remote control device is associated, according to the invention.
  • the invention relates to a device 1 for remote control by radio waves, infrared or the like, particular of motorized closing systems such as roller shutters 2.
  • This device 1 comprises a receiver 3 and a transmitter 4 associated with each system of closing 2.
  • the receiver 3 includes a central processing unit 5 programmable able to manage the operation of the motor means 6 of said system 2. In this regard, this management of the motor means 6 can be ensured at through an adequate power interface 7.
  • This receiver 3 also receives a decoding unit 8 capable of interpreting the information transmitted by the transmitter 4 to the through a coding unit 9.
  • the receiver 3 and the transmitter 4 both have an EEPROM 10, 11, associated with their unit, respectively decoding 8 and coding 9 and who has knowledge a code 12, 12A which is subdivided into at least two parts 13, 13A; 14, 14A.
  • One 13, 13A of these parts of code 12 called in the following description for a question of ease of compression, first part 13, 13A, corresponds to a code of identification of a transmitter 4 with respect to a receiver 3. More specifically, this first part 13, 13A of code 12 is identical in each of memories 10, 11. In in addition, it is likely to be known, in particular by the manufacturer to whom it is possible, thus, to conform a transmitter 4 with respect to a receiver 3.
  • this second part 14, 14A of code 12 is calculated and therefore encrypted by the coding unit 9 of the transmitter 4 according to an algorithm defined 15, 15A known by the receiver 3 so that the latter is able to calculate, at turn this second part 14A of code 12A and identify it with second part 14 code 12 transmitted by said transmitter 4.
  • this second part 14 of the code 12 evolves with each transmission information at the level of the receiver 3.
  • the latter if it is in phase with the transmitter 4, is able to recognize the encrypted code since this receiver 3 also has in its EEPROM 10 memory of the well defined algorithm 15A which allows it to calculate it and ultimately to identify it.
  • the receiver 3 is not able through its decoding unit 8 to decode the second part 14 of the code 12 which is transmitted to it by the transmitter 4 only if, beforehand, they have been put in phase so that, during each command, the calculation of the following code, through algorithm 15, 15A, leads to a result which also agrees.
  • the receiver 3 at through its decoding unit 8 and its EEPROM memory 10 calculates the code that must normally transmit transmitter 4 to him during this order transmission. However, it may happen that an order is transmitted by the transmitter 4 without it being perceived by the receiver 3. At this point, it is obvious that the code at the level of transmitter 4 has evolved compared to that of receiver 3 that receiver 3 will calculate during the next transmission. However, if the two devices are in phase, the receiver 3 must be able to find, by carrying out several successive calculations and by putting in application the common algorithm, the same code transmitted by the transmitter 4.
  • the receiver 3 upon receipt of a command from the associated transmitter 4, the receiver 3 proceeds, through its decoding unit 8, to at most N rotations consisting in calculating at most N times the second part 14A of the code 12A and in comparing it to the second part 14 of the code 12 transmitted by the transmitter 4. If during these N rotations of the calculation, the decoding unit 8 of the receiver 3 did not find the encrypted code transmitted by the transmitter 4, it interprets the transmission as being a maneuver of hacking and gets into a blocking position.
  • unlocking requires, according to the invention, the implementation of an initialization procedure and, therefore, of phasing of the second part 14, 14A of the code 12, 12A knowing that, of all way, the first part 13 of the code 12 at the transmitter 4 must have been previously granted to the first part 13A of the code 12A known to the receiver 3.
  • This procedure for initializing the second part of the code is known by memory EEPROM 10 of receiver 3 so that it is able to recognize it when it is carried out by means of appropriate control means 16.
  • This initialization procedure consists, in fact, in making the receiver 3 accept a second part of code 14 which is transmitted to it by a transmitter 4 respecting a first part of code 13 identical to that 13a known by this receiver 3.
  • control means 16 are constituted by means of interruption of the electrical power supply 18 to the receiver 3.
  • procedure initialization it is based on the identification of cut sequences of this electric power supply 18. More specifically, the EEPROM memory identifies as an initialization procedure when it recognizes, during the sequences of cut of the electric power supply 18, their number and their duration.
  • the receiver 3 is able to to accept the second part 14 of code 12 transmitted by a transmitter 4.
  • this is preferably only possible for a period of time "T1" determined beyond from which this receiver 3 returns to a blocking position requiring the resumption of the initialization procedure. Therefore, the initialization procedure initiates “T1” time counting means.
  • T1 time counting means.
  • the code 12, 12A includes at least a third part 19, 19A which can be described as an after-sales service key and which is only known by the maker.
  • this after-sales service key cannot be used, therefore transmitted by the transmitter 4 to the receiver 3 a limited number of times when they are put phase.
  • this third part 19 of the code at the transmitter 4 comes to disappear and, therefore, is burned beyond a time "T2" defined after conception and programming of transmitter 4.
  • transmitter 4 is not not recognized by the receiver 3 with which it must be associated, this transmitter 4 becomes unusable with respect to said receiver 3 and it is necessary to recommend another transmitter 4 to the manufacturer.
  • the time "T 2" will be determined so that it is sufficient for the user to have the possibility of receiving the commanded transmitter 4 to the manufacturer, this in case of compliance with a normal shipping time and, of course, perform the receiver initialization procedure 3.
  • this backup procedure is carried out through control means 16 identical to those allowing the procedure to be carried out initialization.
  • said backup procedure is based on the identification of the number and the duration of power supply cut-off sequences for receiver 3 electric.
  • the receiver 3 accepts the control of a transmitter corresponding to a neighboring locking system only if this command is identified as the closing of said closing system 2.
  • the initialization procedure and the backup procedure are identical.
  • T1 time “T1” during which the receiver 3 becomes captive for the identification of a new transmitter 4 beyond this initialization procedure or backup, it is determined sufficient that after the execution of the latter, the user has the possibility of ordering then receiving a new transmitter 4 from the maker.
  • the advantages deriving from the present invention consist, essentially, in that that it leads to very large remote control locking systems security compared to what exists today.
  • the present invention thus responds to an increasingly asserted need due to the generalization of such motorized closing systems. Also, it represents a clear progress compared to the state of the prior art.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (7)

  1. Fernbedienungseinrichtung mit Hertzschen, infraroten Wellen oder dergleichen, zur Steuerung insbesondere von motorbetriebenen Schließsystemen (2), wie Rolläden, umfassend einen jedem Schließsystem (2) zugeordneten Empfänger (3) und zum einen mit einer Zentralverarbeitungseinheit (5), geeignet, den Betrieb der Treibmittel (6) zu steuern, und zum anderen mit einer Dekodiereinheit (8), geeignet, die von einem Sender (4) durch eine Kodiereinheit (9) gesandte Information zu interpretieren, versehen, wobei der Sender (4) und der Empfänger (3) über einen EEPROM-Speicher (11, 10) verfügen, in dessen Bereich ein Kode (12 ; 12A) programmiert ist, der aus wenigstens zwei Teilen (13, 14 ; 13A, 14A) besteht, von denen einer (13 ; 13A) die Identifizierung eines Senders (4) im Bezug auf einen Empfänger (3) erlaubt und der andere, dem Steuerschlüßel entsprechende Teil (14 ; 14A) vom Sender (4) gemäß einem bestimmten, der Dekodiereinheit (8) des Empfängers (3) bekannten Algorithmus verschlüßelt wird, dadurch gekennzeichnet, daß der EEPROM-Speicher (10) des Empfängers (3) so programmiert ist, daß er in der Lage ist, einen Initialisierungsprozeß in der Form von Unterbrechungssequenzen der elektrischen Stromzufuhr (18) zu diesem Empfänger (3) durch geeignete Unterbrechungsmittel anzuerkennen, zwecks der Inphasebringung des zweiten, dem Empfänger (3) entsprechenden Teils (14A) des Kodes (12A) mit demjenigen (14) eines zuvor im Bezug auf den ersten Teil (13 ; 13A) des genannten Kodes (12 ; 12A) identifizierten Senders (3).
  2. Fernbedienungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Durchführung des Initialisierungsprozeßes des Empfängers (3) Mittel zum Abzählen einer Zeit "T1" ansteuert, während der der Empfänger (3) in der Lage ist, den von einem zuvor im Bezug auf den ersten Teil (13 ; 13A) des genannten Kodes (12 ; 12A) identifizierten Senders (3) übersandten zweiten Teil (14) des Kodes (12) als zweiter Teil (14A) des Kodes (12A) anzunehmen.
  3. Fernbedienungseinrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß der Kode (12 ; 12A) wenigstens einen dritten Teil (19 ; 19A) umfaßt, der einem vom Hersteller gekannten Kundendienstschlüßel entspricht, der nur eine beschränkte Anzahl Male vom Sender (4) an den Empfänger (3) während einer nach Programmierung des genannten Senders (4) bestimmten Zeit "T2" übersandt werden darf, wobei dieser dritte Teil (19) des Kodes (12) im Bereich des Senders (4) nach Ablauf dieser Zeit "T2" verbrennt wird, sodaß dieser Sender (4) nicht mehr vom Empfänger (3) identifiziert werden kann.
  4. Fernbedienungseinrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß der EEPROM-Speicher (10) des Empfängers (3) in der Lage ist, einen durch geeignete Steuermittel (16) übersandten Notprozeß zu identifizieren, der das Schließen des Schließsystems (2) in Abwesenheit des zugeordneten Senders (4) erlaubt.
  5. Fernbedienungseinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Notprozeß dem Empfänger (3) über Steuermittel (16) übersandt wird, die aus Mitteln zum Unterbrechen der elektrischen Stromzufuhr (18) zum genannten Empfänger (3) bestehen.
  6. Fernbedienungseinrichtung nach Anspruch 1 und 5, dadurch gekennzeichnet, daß der Notprozeß und der Initialisierungsprozeß des Empfängers (3) identisch gleich sind.
  7. Fernbedienungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß nach einer Übersendung von einem von der Dekodiereinheit (8) eines Empfängers (3) im Bezug auf einen ersten Teil (13 ; 13A) des Kodes (12 ; 12A) identifizierten Sender (4) die genannte Dekodiereinheit (8) höchstens N Rotationen vornimmt, die darin bestehen, höchstens N-mal den zweiten Teil (14A) des Kodes (12A) zu berechnen und diesen mit dem vom Sender (4) übersandten, zweiten Teil (14) des Kodes (12) zu vergleichen, sodaß der Empfänger (3) in eine Sperrlage geht, wenn die Dekodiereinheit (8) des Empfängers (3) den genannten, von diesem Sender (4) übersandten zweiten Teil (14) des Kodes (12) nach diesen N Rotationen nicht identizieren können hat.
EP96440010A 1995-01-25 1996-01-25 Fernbedienungseinrichtung mit Hertzschen, infraroten Wellen od. dgl. zur Steuerung von motorbetriebenen Schliesssystemen Expired - Lifetime EP0724056B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9501067A FR2729777B1 (fr) 1995-01-25 1995-01-25 Dispositif de commande a distance par ondes hertziennes, infra-rouges ou analogues, de systemes de fermeture motorises
FR9501067 1995-01-25

Publications (2)

Publication Number Publication Date
EP0724056A1 EP0724056A1 (de) 1996-07-31
EP0724056B1 true EP0724056B1 (de) 2001-07-18

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EP96440010A Expired - Lifetime EP0724056B1 (de) 1995-01-25 1996-01-25 Fernbedienungseinrichtung mit Hertzschen, infraroten Wellen od. dgl. zur Steuerung von motorbetriebenen Schliesssystemen

Country Status (5)

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EP (1) EP0724056B1 (de)
AT (1) ATE203302T1 (de)
DE (1) DE69613865T2 (de)
ES (1) ES2160788T3 (de)
FR (1) FR2729777B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19827692C2 (de) * 1998-06-22 2001-06-13 Hoermann Kg Antriebstechnik Codierschaltung sowie Verwendung derselben in einer Betätigungs- oder Steuereinrichtung für ein signalbetätigbares Schließsystem

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528201B1 (fr) * 1982-06-04 1985-12-27 Jacques Lewiner Perfectionnements aux dispositifs de telecommande a code
JPS61106887A (ja) * 1984-06-28 1986-05-24 兼松株式会社 ブラインドの開閉を遠隔操作するリモ−トコントロ−ル装置
FR2589187B1 (fr) * 1986-04-10 1995-05-19 Kokusan Kinzoku Kogyo Kk Systeme de verrouillage et de deverrouillage pour voiture, commande par un signal radio
DE3636822C2 (de) * 1986-10-29 1993-12-23 Ruf Kg Wilhelm Elektronische Fernbetätigungseinrichtung, insbesondere für Zentralverriegelungsanlagen von Kraftfahrzeugen
IT1227401B (it) * 1988-12-06 1991-04-08 Delta Elettronica Spa Dispositivi per la trasmissione a distanza di comandi in sicurezza
DE3905651A1 (de) * 1989-02-24 1990-08-30 Daimler Benz Ag Verfahren zur sicherung von codeworten eines fernwirksystems und fernwirksystem mit durch codeworte uebertragbarem code
EP0535555A1 (de) * 1991-10-04 1993-04-07 Motorola, Inc. Programmierungstechnik für Fahrzeugfernsteuerungssystem
DE69327644T2 (de) * 1993-01-07 2000-09-07 Ford France S.A., Rueil-Malmaison Ferngesteuertes Sicherheitssystem

Also Published As

Publication number Publication date
ATE203302T1 (de) 2001-08-15
ES2160788T3 (es) 2001-11-16
DE69613865D1 (de) 2001-08-23
EP0724056A1 (de) 1996-07-31
FR2729777B1 (fr) 1997-03-14
DE69613865T2 (de) 2002-04-04
FR2729777A1 (fr) 1996-07-26

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