EP0678638B1 - Electromechanical lock - Google Patents

Electromechanical lock Download PDF

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Publication number
EP0678638B1
EP0678638B1 EP95105987A EP95105987A EP0678638B1 EP 0678638 B1 EP0678638 B1 EP 0678638B1 EP 95105987 A EP95105987 A EP 95105987A EP 95105987 A EP95105987 A EP 95105987A EP 0678638 B1 EP0678638 B1 EP 0678638B1
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EP
European Patent Office
Prior art keywords
switch lock
linkage
lock
bolt
aligned
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
EP95105987A
Other languages
German (de)
French (fr)
Other versions
EP0678638A1 (en
Inventor
Werner Jankowski
Ingolf Dipl.-Ing. Hentschel
Egon Krausch
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.)
SN TEC SICHERHEITS- & NOTRUFTECHNIK GMBH
Original Assignee
Sn Tec Sicherheits- & Notruftechnik GmbH
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
Priority claimed from DE19944414231 external-priority patent/DE4414231A1/en
Priority claimed from DE19944420630 external-priority patent/DE4420630A1/en
Priority claimed from DE19944440643 external-priority patent/DE4440643A1/en
Application filed by Sn Tec Sicherheits- & Notruftechnik GmbH filed Critical Sn Tec Sicherheits- & Notruftechnik GmbH
Publication of EP0678638A1 publication Critical patent/EP0678638A1/en
Application granted granted Critical
Publication of EP0678638B1 publication Critical patent/EP0678638B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B2045/0695—Actuation of a lock triggering an alarm system, e.g. an alarm system of a building

Definitions

  • the invention relates a new kind of electromechanical Switch lock with mutually different switching functions.
  • the aim of the invention is to prevent, aggravate and reduce crimes such as Burglary, theft, threat, robbery, vandalism.
  • Allow single-speed closing movement which can be used to activate an intrusion detector during with two-speed closing movement
  • motion detectors can be activated from the outside can secure additional entry areas, such as windows accessible from below. It should also be ensured that there is no false alarm when the door is open can be triggered.
  • An electromechanical lock is equipped with micro buttons for intrusion detectors and motion detectors and, if necessary, for other security modules.
  • the key switch consists of two basic assemblies, a box lock with an outer cylinder and an internal rotary knob, as well as the roller latch of a swing door lock.
  • a locking linkage connects the two assemblies to one another and prevents that when the entrance door to the box lock is open, neither the outer cylinder nor the rotary knob can be erroneously moved by closing. As a result, the user is unable to operate the key switch when the entrance door is open and a false alarm is therefore excluded.
  • the locking linkage blocks a toothed linkage in the box lock.
  • the roller latch is guided into the opposite side of the latch. This enables a closing movement of the toothed linkage and thus one or two pushes of the bolt from the box lock. Locking takes place with the outer cylinder or inside with the rotary knob, the bolt activates one or two micro buttons with a corresponding alarm loop.
  • the locking linkage already mentioned is firmly connected to the toothed linkage in the lower part of the key switch (box lock).
  • the toothed linkage can be moved via drive bolts such that the bolt locks or opens the door once or twice.
  • the drive bolts are moved by the outer cylinder or inside by the rotary knob.
  • the toothed linkage is double and basically congruent. Accordingly, separate drive bolts that are accessible from the inside are also provided for the second toothed linkage.
  • a locking hook engages in a drive bolt that can be reached from the inside after the first closing movement has been carried out. The second locking movement is not possible due to the action of the locking hook. Only the first micro button is activated. When locking and unlocking the door from the outside, the locking hook is deactivated by a release bolt.
  • the guide plate 6 with slot 11 and guide pin 7.
  • Die Guide plate has the stop 21 for the locking linkage 5.
  • the bolt 8 and the bolt guide plate 17 are in the lock case 1 Elongated hole 19 and guide pin 18 arranged.
  • the rack 16 is radially movable on Bearing 15 attached so that by the drive bolts 22/1 and 22/2 of the bolt 8 and the first or second closed position can be pushed.
  • the drive bolts 22/1 and 22/2 are mounted on a common rotatably mounted plate.
  • a change of location Drive bolts 22/1 and 22/2 are made by turning the common plate and is carried out Example in the first closing movement such that the drive pin 22/2 with the Moving the toothed linkage 16 engages in the initially free tooth gap.
  • the spring 14 generates the back pressure for the toothed linkage 16 in the output or the first or second closed position.
  • Closing takes place with an outer cylinder or from the inside with a rotary knob, whereby the bolt 8 actuates one or two micro buttons 9, 10 depending on the closed position (micro button 9 for the entrance area, micro push button 10 for motion detectors at risk Entry areas, such as windows accessible from below).
  • micro button 9 for the entrance area
  • micro push button 10 for motion detectors at risk Entry areas, such as windows accessible from below.
  • the locking rod 5 prevents a false alarm when the door is open, since that Tooth linkage 16 and thus bolt 8 can not be moved.
  • the toothed rod 16 is double and basic Congruent and on the bearing 15 - as previously described - radially movable arranged. To this, only accessible from the inside rack 16 includes two only from Inside drive pins 22/1 and 22/2.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The intruder alarm system has an electromechanical switching lock (6), coupled to a distributor, together with a break-in detector (7), and a movement detector (9), with transmission of an emergency call signal via the telephone network. The switching lock has microswitches operated a first time from the inside, to bring the break-in detector into operation and operated a second time, from the outside, for activating the movement detector in addition to, or in place of the break-in detector. Pref a locking bolt within the lock prevents operation of a false alarm in the open position. <IMAGE>

Description

Die Erfindung betrifft ein neuartiges elektromechanisches Schaltschloß mit beiderseitig unterschiedlichen Schaltfunktionen.The invention relates a new kind of electromechanical Switch lock with mutually different switching functions.

Das Ziel der Erfindung ist das Verhindern, Erschweren und Vermindern von Straftaten wie Einbruch, Diebstahl, Bedrohung, Raub, Vandalismus.The aim of the invention is to prevent, aggravate and reduce crimes such as Burglary, theft, threat, robbery, vandalism.

Mit dem neuartigen Schaltschloß, wird ein hervorragender Objekt- und Personenschutz gewährleistet.With the new key switch, excellent property and personal protection is guaranteed.

Beim Benutzen des Türschlosses mit den unterschiedlichen Schaltfunktionen von innen oder außen werden unterschiedliche Sicherheitsanforderungen berücksichtigt, d.h. beim Verweilen in der Wohnung oder beim Verlassen. When using the door lock with the different switching functions from the inside or outside, different security requirements are taken into account, i.e. while lingering in the apartment or when leaving.

Bezogen auf die unterschiedlichen Schaltfunktionen des elektromagnetischen Schaltschlosses ist es Aufgabe der Erfindung, beim Abschließen von innen zwangsläufig nur eine eintourige Schließbewegung zuzulassen, womit ein Einbruchsmelder aktiviert werden kann während bei zweitouriger Schließbewegung von außen Bewegungsmelder scharf geschaltet werden können, die zusätzliche Einstiegsbereiche, wie von unten erreichbare Fenster absichern. Weiterhin soll gewährleistet werden, daß im geöffneten Zustand der Tür kein Fehlalarm ausgelöst werden kann. Related to the different switching functions of the electromagnetic key switch it is the object of the invention, inevitably only one when closing from the inside Allow single-speed closing movement, which can be used to activate an intrusion detector during with two-speed closing movement, motion detectors can be activated from the outside can secure additional entry areas, such as windows accessible from below. It should also be ensured that there is no false alarm when the door is open can be triggered.

Die Aufgabe wird erfindungsgemäß wie folgt gelöst:
Ein elektromechanisches Schloß ist mit Mikrotastern für Einbruchsmelder und Bewegungsmelder und gegebenenfalls für weitere sicherheitstechnische Baugruppen versehen. According to the invention, the object is achieved as follows:
An electromechanical lock is equipped with micro buttons for intrusion detectors and motion detectors and, if necessary, for other security modules.

Das Schaltschloß besteht aus zwei grundsätzlichen Baugruppen, einem Kastenschloß mit Außenzylinder und innen angeordneten Drehknopf sowie der Rollenfalle eines Pendeltürschlosses. Ein Verriegelungsgestänge verbindet beide Baugruppen miteinander und verhindert, daß bei offener Eingangstür am Kastenschloß weder der Außenzylinder noch der Drehknopf irrtümlich durch Schließen bewegt werden kann. Somit ist der Nutzer nicht in der Lage, bei geöffnetem Zustand der Eingangstür das Schaltschloß zu betätigen und somit ist ein Fehlalarm ausgeschlossen. Bei offener Tür blockiert das Verriegelungsgestänge ein Zahngestänge im Kastenschloß.
Im geschlossenen Zustand der Eingangstür ist die Rollenfalle in die Gegenseite der Falle geführt. Damit ist eine Schließbewegung des Zahngestänges und damit ein ein- oder zweifacher Schub des Riegels vom Kastenschloß möglich. Das Abschließen erfolgt mit dem Außenzylinder oder innen mit dem Drehknopf, wobei der Riegel einen oder zwei Mikrotaster mit entsprechender Alarmschleife aktiviert. The key switch consists of two basic assemblies, a box lock with an outer cylinder and an internal rotary knob, as well as the roller latch of a swing door lock. A locking linkage connects the two assemblies to one another and prevents that when the entrance door to the box lock is open, neither the outer cylinder nor the rotary knob can be erroneously moved by closing. As a result, the user is unable to operate the key switch when the entrance door is open and a false alarm is therefore excluded. When the door is open, the locking linkage blocks a toothed linkage in the box lock.
When the entrance door is closed, the roller latch is guided into the opposite side of the latch. This enables a closing movement of the toothed linkage and thus one or two pushes of the bolt from the box lock. Locking takes place with the outer cylinder or inside with the rotary knob, the bolt activates one or two micro buttons with a corresponding alarm loop.

Das bereits erwähnte Verriegelungsgestänge ist mit dem Zahngestänge im unteren Teil des Schaltschlosses (Kastenschloß) fest verbunden. Das Zahngestänge läßt sich über Antriebsbolzen derart bewegen, daß der Riegel die Tür ein- bzw. zweimal abschließt oder öffnet. Die Antriebsbolzen werden durch den Außenzylinder oder innen durch den Drehknopf bewegt. Zur Realisierung des nur einmaligen Abschließens von innen wird das Zahngestänge doppelt und grundsätzlich deckungsgleich ausgeführt. Dementsprechend sind auch für das zweite Zahngestänge gesonderte, von innen erreichbare, Antriebsbolzen vorgesehen. Ein Sperrhaken greift bei der Bewegung des inneren Drehknopfes in einen von innen erreichbaren Antriebsbolzen, nachdem die erste Schließbewegung ausgeführt wurde. Die zweite Schließbewegung ist durch die Wirkung des Sperrhakens nicht möglich. Es wird nur der erste Mikrotaster aktiviert.
Beim Ab- und Aufschließen der Tür von außen wird durch einen Entriegelungsbolzen der Sperrhaken außer Betrieb gesetzt. The locking linkage already mentioned is firmly connected to the toothed linkage in the lower part of the key switch (box lock). The toothed linkage can be moved via drive bolts such that the bolt locks or opens the door once or twice. The drive bolts are moved by the outer cylinder or inside by the rotary knob. To realize the one-off locking from the inside, the toothed linkage is double and basically congruent. Accordingly, separate drive bolts that are accessible from the inside are also provided for the second toothed linkage. When the inner rotary knob is moved, a locking hook engages in a drive bolt that can be reached from the inside after the first closing movement has been carried out. The second locking movement is not possible due to the action of the locking hook. Only the first micro button is activated.
When locking and unlocking the door from the outside, the locking hook is deactivated by a release bolt.

Die Abbildung (Nr. der Abbildung entfällt, da die anderen Abb. 1 bis 5 gestriche werden zeigt den Schloßkasten mit Verriegelungsgestänge und elektromechanischen Bauteilen.The figure (no. Of the figure is omitted, since the other figures 1 to 5 are deleted shows the lock case with locking linkage and electromechanical Components.

Bezugszeichenaufstellung gemäß Abbildung

  • 1 Schloßkasten
  • 2 Schloßkastenboden
  • 3 Rollenfalle
  • 4 Druckfeder
  • 5 Verriegelungsgestänge
  • 6 Führungsplatte
  • 7 Führungsbolzen
  • 8 Riegel
  • 9 Mikrotaster 1
  • 10 Mikrotaster 2
  • 11 Langloch
  • 12 Entriegelungsbolzen
  • 13 Sperrhaken
  • 14 Druckfeder
  • 15 Lager Zahngestänge
  • 16 Zahngestänge
  • 17 Riegelführungsplatte
  • 18 Führungsbolzen
  • 19 Langloch
  • 20 Druckfeder
  • 21 Anschlag Verriegelungsgestänge
  • 22/1 Antriebsbolzen
  • 22/2 Antriebsbolzen
  • 23 Gegenseitige Falle
    • Reference symbols as shown in the illustration
  • 1 lock case
  • 2 lock case base
  • 3 roller trap
  • 4 compression spring
  • 5 locking rods
  • 6 guide plate
  • 7 guide bolts
  • 8 bars
  • 9 micro buttons 1
  • 10 micro buttons 2
  • 11 slot
  • 12 release bolts
  • 13 locking hooks
  • 14 compression spring
  • 15 bearings rack
  • 16 gear racks
  • 17 Bolt guide plate
  • 18 guide bolts
  • 19 slot
  • 20 compression spring
  • 21 Stop locking rod
  • 22/1 drive pin
  • 22/2 drive bolts
  • 23 Mutual trap

    • Entsprechend der Abbildung befindet sich im Schloßkasten 1 mit Schloßkastenboden 2 die Rollenfalle 3, die Führungsplatte 6 mit Langloch 11 und Führungsbolzen 7. Die Führungsplatte weist den Anschlag 21 für das Verriegelungsgestänge 5 auf. Den Gegendruck für die Rollenfalle 3 beim Einrasten in die Gegenseite der Falle 23 erzeugt die Druckfeder 4. Weiterhin sind im Schloßkasten 1 der Riegel 8 sowie die Riegelführungsplatte 17 mit Langloch 19 und Führungsbolzen 18 angeordnet. Das Zahngestänge 16 ist radial beweglich am Lager 15 so befestigt, daß durch die Antriebsbolzen 22/1 und 22/2 der Riegel 8 und die erste oder zweite Schließstellung geschoben werden kann. Die Antriebsbolzen 22/1 und 22/2 sind auf einer gemeinsamen drehbar gelagerten Platte montiert. Eine Lageveränderung der Antriebsbolzen 22/1 und 22/2 erfolgt durch Drehen der gemeinsamen Platte und erfolgt zum Beispiel bei der ersten Schließbewegung derart, daß der Antriebsbolzen 22/2 mit dem Verschieben des Zahngestänges 16 in die anfänglich freie Zahnlücke einrastet. Die Feder 14 erzeugt den Gegendruck für das Zahngestänge 16 in der Ausgangs- bzw. der ersten oder zweiten Schließstellung.According to the picture is in the lock case 1 with the lock case bottom 2 Roller trap 3, the guide plate 6 with slot 11 and guide pin 7. Die Guide plate has the stop 21 for the locking linkage 5. The back pressure for the roller latch 3 when it snaps into the opposite side of the latch 23, the compression spring 4. Furthermore, the bolt 8 and the bolt guide plate 17 are in the lock case 1 Elongated hole 19 and guide pin 18 arranged. The rack 16 is radially movable on Bearing 15 attached so that by the drive bolts 22/1 and 22/2 of the bolt 8 and the first or second closed position can be pushed. The drive bolts 22/1 and 22/2 are mounted on a common rotatably mounted plate. A change of location Drive bolts 22/1 and 22/2 are made by turning the common plate and is carried out Example in the first closing movement such that the drive pin 22/2 with the Moving the toothed linkage 16 engages in the initially free tooth gap. The spring 14 generates the back pressure for the toothed linkage 16 in the output or the first or second closed position.

    Das Schließen erfolgt mit einem Außenzylinder oder von innen mit einem Drehknopf, wobei der Riegel 8 je nach Schließstellung ein oder zwei Mikrotaster 9, 10 betätigt (Mikrotaster 9 für den Eingangsbereich, Mikrotaster 10 für Bewegungsmelder an gefährdeten Einstiegsbereichen, wie von unten erreichbare Fenster). Bei der Aktivierung des Mikrotasters 10 muß der Nutzer sicher sein, daß sich niemand mehr in der Wohnung befindet, sonst kann es zur Auslösung von Fehlalarm kommen.Closing takes place with an outer cylinder or from the inside with a rotary knob, whereby the bolt 8 actuates one or two micro buttons 9, 10 depending on the closed position (micro button 9 for the entrance area, micro push button 10 for motion detectors at risk Entry areas, such as windows accessible from below). When the micro button is activated 10 the user must be sure that nobody is in the apartment anymore, otherwise it can to trigger a false alarm.

    Das Verriegelunsgestänge 5 verhindert einen Fehlalarm bei offenstehender Tür, da das Zahngestänge 16 und somit Riegel 8 nicht bewegt werden kann.The locking rod 5 prevents a false alarm when the door is open, since that Tooth linkage 16 and thus bolt 8 can not be moved.

    Um den Riegel 8 beim Abschließen von innen nur eintourig bewegen zu können (nur zur Aktivierung von Mikrotaster 9) ist das Zahngestänge 16 zweifach und grundsätzlich deckungsgleich ausgeführt und am Lager 15 - wie vorher beschrieben - radial beweglich angeordnet. Zu diesem, nur von innen erreichbaren Zahngestänge 16 gehören zwei nur von innen erreichbare Antriebsbolzen 22/1 und 22/2.In order to be able to move the bolt 8 from the inside only with one turn (only for Activation of micro button 9), the toothed rod 16 is double and basic Congruent and on the bearing 15 - as previously described - radially movable arranged. To this, only accessible from the inside rack 16 includes two only from Inside drive pins 22/1 and 22/2.

    (Die zweifache deckungsgleiche Anordnung des Zahngestänges 16 und die Antriebsbolzen 22/1 und 22/2, die nur von innen erreichbar sind und sich in der Ausgangsstellung in gleicher Achse mit den von außen erreichbaren Antriebsbolzen 22/1 und 22/2 befinden, sind zeichnerisch nicht dargestellt).
    Das von innen erreichbare Zahngestänge 16 wird nach eintouriger Schließbewegung durch einen Sperrhaken 13 blockiert, indem der Sperrhaken 13 in den Antriebsbolzen 22/2 einrastet, wenn sich dieser, durch die Schließbewegung bedingt, in die bisher freie Zahnlücke des Zahngestänges 16 einlagert. Ein zweimaliges Schließen ist damit von innen nicht möglich. Beim Aufschließen wird der Entriegelungsbolzen 12 (welcher auf der Riegelführungsplatte 17 befestigt ist) wirksam, indem der Sperrhaken 13 in die Entriegelungsstellung (gemäß Abbildung nach links) gedrückt wird. Den Gegendruck hierzu erzeugt die Druckfeder 20.    (The double congruent arrangement of the toothed linkage 16 and the drive bolts 22/1 and 22/2, which can only be reached from the inside and are in the starting position in the same axis with the drive bolts 22/1 and 22/2 that can be reached from the outside, are shown in the drawing not shown).
    The toothed linkage 16, which can be reached from the inside, is blocked by a locking hook 13 after a single-speed closing movement by the locking hook 13 engaging in the drive bolt 22/2 when it locks into the previously free tooth gap of the toothed linkage 16 due to the closing movement. A double closing from the inside is therefore not possible. When unlocking, the unlocking bolt 12 (which is fastened on the bolt guide plate 17) takes effect by pressing the locking hook 13 into the unlocking position (to the left as shown in the figure). The pressure spring 20 generates the counter pressure for this.

    Beim Abschließen über den Außenzylinder werden die von innen erreichbaren Antriebsbolzen 22/1 und 22/2 nicht gedreht und somit ist auch der Sperrhaken 13 nicht wirksam.When locking via the outer cylinder, the drive bolts accessible from the inside become 22/1 and 22/2 not rotated and thus the locking hook 13 is not effective.

    Claims (4)

    1. An electromechanical switch lock, with the electromagnetic switch lock having different switching functions on both sides, is distinguished by the following. A toothed linkage (16) is aligned on the electromechanical switch lock, with its bearing (15) on the bar (8), and it can be moved radially. On a pivoted plate two drive bolts (22/1, 22/2), accessible from the outside, are situated, which lie in the flanks of the toothed linkage (16). When the bar (8) shoots across, the drive bolts (22/1, 22/2) click into the vacant flanks so that the toothed linkage (16) is still of a twofold and fundamentally congruent design and combination, with drive bolts (22/1, 22/2) accessible from the inside and aligned on a plate, and so that, with the single-revolution closing movement of the bar (8), a blocking hook (13) engages into the drive bolt (22/2) with the aid of the internally-pivoted drive bolts (22/1, 22/2).
    2. An electromechanical switch lock according to claim 1 is distinguished by the following. In the switch lock, on a bar guide plate (17), a release bolt (12) is fixed so that, with the activation of the externally-pivoted drive bolts (22/1, 22/2), it constantly holds the blocking hook (13) in the release position.
    3. An electromechanical switch lock according to claims 1 and 2 is distinguished by the following. In the switch lock a locking linkage (5) is firmly connected in the bottom part of the switch lock with the toothed linkage (16) and is aligned so that the locking linkage (5) allows a radial movement of the toothed linkage when the roll bolt (3) is clicked into the opposite side of the latch bolt (23).
    4. An electromechanical switch lock according to claims 1,2 and 3 is distinguished by the following. In the lock, when the bar is being closed, only the micro-feeler (9) aligned in the lock is activated when the closing movement is from the inside, and when the closing movement is from the outside the micro-feeler (9) and the micro-feeler (10) similarly aligned in the lock are activated.
    EP95105987A 1994-04-23 1995-04-21 Electromechanical lock Expired - Lifetime EP0678638B1 (en)

    Applications Claiming Priority (6)

    Application Number Priority Date Filing Date Title
    DE4414231 1994-04-23
    DE19944414231 DE4414231A1 (en) 1994-04-23 1994-04-23 Intruder alarm system for single- or multi-occupation dwelling
    DE4420630 1994-06-14
    DE19944420630 DE4420630A1 (en) 1994-06-14 1994-06-14 Intruder alarm system for single- or multi-occupation dwelling
    DE19944440643 DE4440643A1 (en) 1994-11-14 1994-11-14 Intruder alarm system for single- or multi-occupation dwelling
    DE4440643 1994-11-14

    Publications (2)

    Publication Number Publication Date
    EP0678638A1 EP0678638A1 (en) 1995-10-25
    EP0678638B1 true EP0678638B1 (en) 1998-12-16

    Family

    ID=27206306

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95105987A Expired - Lifetime EP0678638B1 (en) 1994-04-23 1995-04-21 Electromechanical lock

    Country Status (3)

    Country Link
    EP (1) EP0678638B1 (en)
    AT (1) ATE174653T1 (en)
    ES (1) ES2129149T3 (en)

    Family Cites Families (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3003935C2 (en) 1980-02-04 1982-04-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Emergency call system
    JPS6141762U (en) * 1984-08-21 1986-03-17 俊彦 山下 lock
    FR2598535B1 (en) * 1985-12-06 1988-07-01 Laudren Cie Sa Ets M ALARM SYSTEM FOR THE PROTECTION OF PERSONS WITH DISABILITIES THAT CANNOT DIRECTLY ACCESS THEIR TELEPHONE
    US4818971A (en) * 1988-02-25 1989-04-04 Patrick Robert H False alarm resistant burglar alarm system

    Also Published As

    Publication number Publication date
    ATE174653T1 (en) 1999-01-15
    EP0678638A1 (en) 1995-10-25
    ES2129149T3 (en) 1999-06-01

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