EP0042501B1 - Dispositif pour la transmission des valeurs mesurées dans un système d'avertissement d'incendie - Google Patents

Dispositif pour la transmission des valeurs mesurées dans un système d'avertissement d'incendie Download PDF

Info

Publication number
EP0042501B1
EP0042501B1 EP81104115A EP81104115A EP0042501B1 EP 0042501 B1 EP0042501 B1 EP 0042501B1 EP 81104115 A EP81104115 A EP 81104115A EP 81104115 A EP81104115 A EP 81104115A EP 0042501 B1 EP0042501 B1 EP 0042501B1
Authority
EP
European Patent Office
Prior art keywords
fire
alarm
fire alarm
line
reporting
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
Application number
EP81104115A
Other languages
German (de)
English (en)
Other versions
EP0042501A1 (fr
Inventor
Peter Müller
Eugen Schibli
Andreas Scheidweiler
Jürg Muggli
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Priority to AT81104115T priority Critical patent/ATE13231T1/de
Publication of EP0042501A1 publication Critical patent/EP0042501A1/fr
Application granted granted Critical
Publication of EP0042501B1 publication Critical patent/EP0042501B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Definitions

  • the invention relates to a device for transmitting measured values in a fire alarm system of the type defined in the preamble of claim 1.
  • DE-AS 2 533 382 proposed a method for transmitting measured values in a fire detection system, in which the measured values determined by individual fire detectors lying in a chain on the detection lines are passed analogously to a signaling center and there for obtaining differentiated malfunctions. or alarm messages are linked, with all fire detectors being separated from the detection line by a voltage change at the beginning of each query cycle and then being switched on again in a predetermined order in such a way that each fire detector also connects the subsequent fire detectors to the line voltage after a time delay corresponding to its measured value switches on and that in the signaling center the respective detector address is derived from the number of previous increases in the line current and the measured value from the length of the switching delay in question.
  • the installation of the serial detector must incur increased effort to ensure that the detectors are connected correctly. Even if one speaks of a two-wire system, the detector still has three terminals and you have to make sure that the incoming and outgoing wire are not interchanged. Compared to the classic installation technology of two-wire systems, this means an aggravation and also a source of errors.
  • the number of detectors per line is limited by the resistance of the switches connected in series.
  • the object of the invention is to provide a device for transmitting measured values in a fire alarm system, which avoid the disadvantages mentioned above, d. H. enable the transmission of measured values even if a fire detector in a detection line fails or a detector line is interrupted or short-circuited, which also allows the fire detectors to be connected to the detection lines without having to take care that the entry and exit of the detection line does not are exchanged and which ultimately allow a higher current to be sent through the detection lines or a larger number of fire detectors to be connected to the detection line.
  • the device according to the invention is preferably used in a method for transmitting measured values in a fire alarm system in such a way that, after the measured value of the last detector of a line has been transmitted, current is fed into the detection lines from both sides. By connecting the detection lines on both sides, the current serving to supply the fire detectors can be practically quadrupled.
  • the measurement values are transmitted in the delay time between two detector connections.
  • the time delay is not dependent on the measured value and remains constant.
  • a detector is switched on, ie when the connection to the control center is established, this is followed by the conversion of the measured value into a coded pulse sequence or an alternating voltage signal whose frequency is dependent on the measured value. It goes without saying that the duration of the measured value signal must be shorter than the delay time.
  • FR-A-2 176004 a transmission system has become known in which local transmission stations for the transmission of messages via a first line loop in series and for monitoring via a second line loop are connected in parallel to a central station. Messages from the local transmission stations are transmitted via the first line loop, for example by means of direct current pulses.
  • the central station transmits alternating current pulses via the second line loop at certain time intervals, which actuate electronic switching devices in the local transmission stations and initiate the transmission of a message via the first line loop when the switching device reaches the switching position assigned to the individual transmission station. All transmission stations receive the monitoring impulses at the same time, they have no bidirectional switching elements and, above all, no equivalent inputs that make installation easier.
  • the transmission system of FR-A-2 176 004 requires an increased outlay on lines.
  • Signaling lines Li ... Li emanate from terminals K 1a ... K ia from a signal center Z.
  • the fire detectors M 11 ... M 1m essentially contain, in addition to sensors sensitive to fire parameters, a transducer, a timer, and a bidirectional switch S. From the last fire detector of a detection line, two lines are connected to the terminals K) x ... K; x of the signaling center Z returned. After applying the line voltage to the terminals K 1a , a timer starts to run in the M 11 detector. After a certain delay, the switch S 11 closes and applies the line voltage to the detector M 12 , where a timer also starts to run again. In this way, all switches of the detectors in a zone close in succession. This process can be repeated periodically so that the fire detectors of a detection line are polled cyclically. After the line voltage has been applied to a detector or the relevant switch has been closed, the measured values from the sensor can be transmitted to the signaling center.
  • the detector line evaluation circuit of the signal center Z is connected to the terminals K; a of the lines concerned.
  • the occurrence of a line fault or the failure of a detector is detected in the signal center Z by the fact that the polling cycle stops.
  • the detector line evaluation circuit is automatically switched to terminals K ix of the relevant detector lines.
  • the fire detectors are now interrogated in the opposite direction to the faulty location.
  • FIG. 2 shows the circuit arrangement of a fire detector M, in which the time delay is controlled by the measured value.
  • a smoke-sensitive measuring ionization chamber MK is drawn as the sensor, the current of which generates the voltage U k at the external resistor R 2 . This voltage is fed to the input of the transducer MW, the output voltage U A of which acts on the timing element T.
  • the bidirectional switch 19 is used to switch the line voltage to the next detector.
  • the diodes D13 and D14 are used for balancing, i. h, when installing the fire detector, it is not necessary to pay attention to the correct sequence of connections 2 and 3.
  • transistor T19 When the line voltage is applied to terminals 1A / 1B and 2 or 1A / 1B and 3, transistor T19 initially remains blocked. At the same time, the timer T starts and, after a time delay which is given by the value of the voltage U A , opens the transistor T19 and thus switches the line voltage to the next detector.
  • a resistor in the fire detector is also switched on, which causes the current increase, which is evaluated in the control center to determine the detector address.
  • FIG. 3 shows a circuit arrangement of a preferred embodiment of a fire detector according to FIG. 2.
  • a fire detector with a measurement ionization chamber serves as an example as a smoke-sensitive sensor.
  • the measurement ionization chamber MK is connected in series with a comparison resistor R 2, in its place a reference ionization chamber can also be used, to the stabilized voltage U s .
  • the capacitor C20 is charged via the rectifier D11 and bridges the systemic periodic interruptions in the line voltage.
  • the transistor T16 forms, together with the resistor R and the zener diode D12, a voltage stabilization U s in a known manner.
  • the MOSFET T18 serves as an impedance converter, ie it transmits the output voltage U K of the sensor to the input of the operational amplifier A, the operating point of which is determined by the resistors R4, R5 and R6.
  • the output voltage U A of the operational amplifier is proportional to the sensor voltage U K.
  • the transistor T17 In the normal operating state, the transistor T17 is not conductive, the gate connection of the bidirectional switch T19 is therefore at the potential of the connection 1, as a result of which the transistor T19 is kept conductive.
  • the voltage across the capacitor C21 is approximately limited by the diode 15 to the value of the amplifier output voltage U A.
  • the capacitor C21 discharges to zero via the resistors R7, R9 and R10.
  • a charging current flows through the resistor R7 to the capacitor C21 and further via the resistor R10.
  • the transistor T17 thus becomes conductive and an additional current flows through the resistor R8.
  • T19 jumps below the threshold voltage of the field effect transistor and thus blocks T19. If the capacitor C21 has now charged up to the output voltage U A of the amplifier via the resistor R7, no further charging current flows to C21, which means that T17 blocks. The gate of T19 jumps back to the potential of connection 1 and thus brings switch T19 into the conductive state.
  • the diodes D13 and D14 ensure a symmetrical supply to the detector electronics, which, together with the symmetry properties of the transistor T19, enables the optional supply from connection 2 or connection 3.
  • circuit arrangements with other symmetrical switching elements instead of the transistor T19 are conceivable. JFETs or relays can also be used as bidirectional switches.
  • FIG. 4 shows an embodiment of the method according to the invention in which the time delay is independent of the measured value.
  • the mode of operation is similar to that shown in FIG. 2.
  • the output voltage U A of the transducer MW does not control the timing element T.
  • the measured value is converted into a coded pulse train or an AC signal, the frequency of which is determined by the measured value. This signal is received at the control center and evaluated accordingly.
  • the timer T runs and switches on the transistor T19 after a fixed preselected time and thus switches the line voltage on to the next detector. It goes without saying that the duration of the measured value signal must be shorter than the switch-on delay.
  • This embodiment has the advantage that it is possible to separate between the transmission of measured values and the addressing of the detector.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Sampling And Sample Adjustment (AREA)
  • General Induction Heating (AREA)
  • Dc-Dc Converters (AREA)

Claims (6)

1. Dispositif pour un système avertisseur d'incendie comportant un central de signalisation (Z) et plusieurs avertisseurs d'incendie (MU, Mlm), raccordés en chaîne à des lignes de signalisation (L1 à Li), qui retournent depuis le dernier avertisseur d'incendie (Mlm, Mim) au central de signalisation (Z), et dans lequel chaque invertisseur d'incendie individuel (M) délivre, à l'intérieur d'un cycle d'interrogation, ses valeurs de mesure au central de signalisation (Z) et tous les avertisseurs d'incendie (M) sont débranchés au début du cycle d'interrogation par une variation de la tension de la ligne de signalisation (L) et sont ensuite à nouveau branchés d'une manière échelonnée dans le temps de telle sorte que chaque avertisseur d'incendie (M) raccorde, après un temps de retard déterminé, un avertisseur d'incendie suivant (M) à la tension de ligue et chaque avertisseur d'incendie (M) raccordé de façon supplémentaire délivre son adresse de façon connue, la direction d'interrogation pour la ligne de signalisation considérée (L) étant inversée dans le cas de l'absence de signaux de signalisation, caractérisé par le fait que chaque avertisseur d'incendie (Mlm à Mim) contient deux entrées équivalentes (1A, 1B, 2; 1A, 1B, 3) pour le raccordement à des lignes de signalisation (L1 à Li) et un élément de commutation bidirectionnel (T19) permettant de réaliser le branchement de l'avertisseur d'incendie immédiatement suivant dans la direction d'interrogation.
2. Dispositif suivant la revendication 1, caractérisé par le fait que chaque avertisseur d'incendie (M) contient un circuit (T, R7, R8, R10, C21, T17) qui, lors de l'application d'une tension à l'une des deux entrées (1A, 1B, 2; 1A, 1B, 3), commande de façon retardée l'élément de commutation bidirectionnel (T19) pour qu'il produise un signal sur l'autre entrée (3; 2) (figures2, 3,4).
3. Dispositif suivant la revendication 2, caractérisé par le fait que le circuit et l'élément de commutation bidirectionnel (T19) sont reliés entre eux par des diodes (D13, D14) (figures 2,3,4).
4. Dispositif suivant la revendication 2, caractérisé par le fait que le retard est déterminé par la valeur de mesure (UA) du capteur (MK, MW) (figures 2, 3).
5. Dispositif suivant la revendication 2, caractérisé par le fait que le retard est indépendant de la valeur de mesure (UA) du capteur (MK, MW), et que la valeur de mesure (UA) est retransmise pendant le temps de retard au central de signalisation (Z) (figure 4).
6. Dispositif suivant la revendication 1, caractérisé par le fait que l'élément de commutation bidirectionnel (T19) est réalisé sous la forme d'un relais, d'un transistor MOSFET ou d'un transistor JFET.
EP81104115A 1980-06-23 1981-05-29 Dispositif pour la transmission des valeurs mesurées dans un système d'avertissement d'incendie Expired EP0042501B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81104115T ATE13231T1 (de) 1980-06-23 1981-05-29 Einrichtung zur uebertragung von messwerten in einem brandmeldesystem.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4803/80 1980-06-23
CH4803/80A CH651688A5 (de) 1980-06-23 1980-06-23 Verfahren zur uebertragung von messwerten in einer brandmeldeanlage und einrichtung zur durchfuehrung des verfahrens.

Publications (2)

Publication Number Publication Date
EP0042501A1 EP0042501A1 (fr) 1981-12-30
EP0042501B1 true EP0042501B1 (fr) 1985-05-08

Family

ID=4282811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81104115A Expired EP0042501B1 (fr) 1980-06-23 1981-05-29 Dispositif pour la transmission des valeurs mesurées dans un système d'avertissement d'incendie

Country Status (9)

Country Link
US (1) US4404548A (fr)
EP (1) EP0042501B1 (fr)
JP (1) JPS5730098A (fr)
AT (1) ATE13231T1 (fr)
CH (1) CH651688A5 (fr)
DE (1) DE3170379D1 (fr)
DK (1) DK263881A (fr)
FI (1) FI811935L (fr)
NO (1) NO152526C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4036639A1 (de) * 1990-11-16 1992-05-21 Esser Sicherheitstechnik Verfahren zur ermittlung der konfiguration der melder einer gefahrenmeldeanlage und fuer die anlagenkonfigurationsbestimmung geeigneter melder
DE19940700C2 (de) * 1999-08-27 2003-05-08 Job Lizenz Gmbh & Co Kg Verfahren und Vorrichtung zur automatischen Zuweisung von Melderadressen bei einer Gefahrenmeldeanlage

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507652A (en) * 1982-02-04 1985-03-26 Baker Industries, Inc. Bidirectional, interactive fire detection system
CH664637A5 (de) * 1982-04-28 1988-03-15 Cerberus Ag Verfahren zur uebertragung von messwerten in einem ueberwachungssystem.
DE3370089D1 (en) * 1982-07-16 1987-04-09 Apollo Fire Detectors Ltd Short circuit fault isolation means for electrical circuit arrangements
DE3374241D1 (en) * 1982-11-23 1987-12-03 Cerberus Ag Control device with several detectors connected in chain form to a signal line
NO162317C (no) * 1983-05-19 1992-02-06 Hochiki Co Brannalarmanlegg
US4528610A (en) * 1983-07-05 1985-07-09 Apollo Fire Detectors Limited Short circuit fault isolation means for electrical circuit arrangements
DE3614692A1 (de) * 1986-04-30 1987-11-05 Nixdorf Computer Ag Gefahrenmeldeanlage
USRE33807E (en) * 1987-02-09 1992-01-28 Sentrol, Inc. Self-powered sensor for use in closed-loop security system
US4745398A (en) * 1987-02-09 1988-05-17 Sentrol, Inc. Self-powered sensor for use in closed-loop security system
US4916432A (en) * 1987-10-21 1990-04-10 Pittway Corporation Smoke and fire detection system communication
EP0418409B1 (fr) * 1989-09-19 1996-01-03 Siemens Aktiengesellschaft Procédé et dispositif pour éviter les influences climatiques de l'environnement sur les indicateurs automatiques d'incendie
US5801913A (en) * 1996-04-29 1998-09-01 Kiddie-Fenwal, Inc. Isolation circuitry
JP2006099394A (ja) * 2004-09-29 2006-04-13 Horiba Ltd 火災検知システムおよび火災検知システムの制御方法
DE102005037047B3 (de) * 2005-08-05 2006-12-28 Novar Gmbh Gebäudeleittechnik- oder Gefahrenmeldeanlage
DE102010047220B4 (de) * 2010-10-04 2012-07-05 Novar Gmbh Verfahren zum Betreiben einer Sprachdurchsageanlage
CN106155861A (zh) * 2015-04-22 2016-11-23 鸿富锦精密工业(武汉)有限公司 电子设备报警电路
JP7064890B2 (ja) * 2018-01-22 2022-05-11 ホーチキ株式会社 火災報知設備

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH468682A (de) * 1967-06-26 1969-02-15 Cerberus Ag Feuermeldeanlage
US3716834A (en) * 1971-10-07 1973-02-13 H Adams Data transmission system with immunity to circuit faults
SE374970B (fr) * 1972-03-15 1975-03-24 Ericsson Telefon Ab L M
DE2533382C2 (de) * 1975-07-25 1980-07-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Einrichtung zur Übertragung von Meßwerten in einem Brandmeldesystem
GB1556061A (en) * 1975-08-28 1979-11-21 Sumitomo Chemical Co Monitor and alarm apparatus in loop line system
DE2836760C2 (de) * 1978-08-23 1983-11-17 Dr. Alfred Ristow GmbH & Co, 7500 Karlsruhe Elektronisches Fernüberwachungssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4036639A1 (de) * 1990-11-16 1992-05-21 Esser Sicherheitstechnik Verfahren zur ermittlung der konfiguration der melder einer gefahrenmeldeanlage und fuer die anlagenkonfigurationsbestimmung geeigneter melder
DE19940700C2 (de) * 1999-08-27 2003-05-08 Job Lizenz Gmbh & Co Kg Verfahren und Vorrichtung zur automatischen Zuweisung von Melderadressen bei einer Gefahrenmeldeanlage
US6838999B1 (en) 1999-08-27 2005-01-04 Job Lizenz Gmbh & Co. Kg Method and device for automatically allocating detector addresses in an alarm system

Also Published As

Publication number Publication date
ATE13231T1 (de) 1985-05-15
EP0042501A1 (fr) 1981-12-30
JPS64753B2 (fr) 1989-01-09
DK263881A (da) 1981-12-24
CH651688A5 (de) 1985-09-30
NO152526B (no) 1985-07-01
NO152526C (no) 1985-10-09
JPS5730098A (en) 1982-02-18
US4404548A (en) 1983-09-13
FI811935L (fi) 1981-12-24
DE3170379D1 (en) 1985-06-13
NO812130L (no) 1981-12-28

Similar Documents

Publication Publication Date Title
EP0042501B1 (fr) Dispositif pour la transmission des valeurs mesurées dans un système d'avertissement d'incendie
DE3415786C3 (de) Rechnergesteuertes Feueralarmsystem
EP2804163B1 (fr) Procédé et dispositif de détection des pannes dans des lignes de commande de systèmes de signalisation de danger et de systèmes de commande
EP1206765B1 (fr) Procede et dispositif d'affectation automatique d'adresses de detecteurs dans un systeme avertisseur de danger
EP0248298B1 (fr) Dispositif détecteur de danger
EP0067339A2 (fr) Méthode et arrangement pour détecter des perturbations dans des systèmes de signalisation de risques, en particulier signalisation d'incendie
DE2533330C3 (de) Verfahren und Einrichtung zur Übertragung von Meßwerten in einem Brandmeldesystem
EP1109143A2 (fr) Procédé et dispositif pour déterminer les détecteurs défectueux dans un système d'alarme
DE2533354B2 (de) Einrichtung zum Übertragen von Steuerbefehlen in einem Brandschutzsystem
EP0090399B1 (fr) Installation de signalisation à courant continu
CH660927A5 (de) Ueberwachungsanlage.
EP1197936B1 (fr) Système d'alarme
EP0295593B1 (fr) Identification individuelle
DE3128796C2 (fr)
DE4322841C2 (de) Gefahrenmeldeanlage
DE3614692C2 (fr)
EP0098554B1 (fr) Procédé et dispositif pour la demande automatique des valeurs de mesure de signalisation et de l'identificateur de signalisation dans une installation d'avertisseur d'alarme
EP0004912B1 (fr) Avertisseur de danger
EP0254125B1 (fr) Système de signalisation de dangers
DE3225032C2 (de) Verfahren und Einrichtung zur wahlweisen automatischen Abfrage der Melderkennung oder des Meldermeßwerts in einer Gefahrenmeldeanlage
EP0098553B1 (fr) Procédé et dispositif pour la demande automatique des valeurs de mesure de signalisation et/ou de l'identificateur de signalisation dans une installation d'avertisseur d'alarme
DE3036029C2 (de) Schaltungsanordnung zur Überwachung einer Verbindungsleitung
DE1167229B (de) Raumschutzanlage mit in eine Brueckenschaltung einbezogenen Messelektroden und periodischer UEberpruefung der Anlage
EP0213383B1 (fr) Méthode et dispositif de surveillance du fonctionnement de détecteurs optiques de fumée
DE69510135T2 (de) Alarmdetektionsvorrichtung mit Stromschleifen und Bake zur Lokalisierung von Waterzonen für eine solche Vorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE DE FR GB IT LU NL SE

17P Request for examination filed

Effective date: 19811205

ITF It: translation for a ep patent filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT BE DE FR GB IT LU NL SE

REF Corresponds to:

Ref document number: 13231

Country of ref document: AT

Date of ref document: 19850515

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3170379

Country of ref document: DE

Date of ref document: 19850613

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19910410

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19920529

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940425

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19940531

Year of fee payment: 14

EPTA Lu: last paid annual fee
EAL Se: european patent in force in sweden

Ref document number: 81104115.1

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19951201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19951201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960201

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19970411

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19970416

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19970417

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19970423

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 19970702

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980529

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980529

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980531

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980531

BERE Be: lapsed

Owner name: CERBERUS A.G.

Effective date: 19980531

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19980529

EUG Se: european patent has lapsed

Ref document number: 81104115.1

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST