EP2678846A1 - Dispositif de declenchement d'alarme pour un systeme de securite - Google Patents
Dispositif de declenchement d'alarme pour un systeme de securiteInfo
- Publication number
- EP2678846A1 EP2678846A1 EP12717338.3A EP12717338A EP2678846A1 EP 2678846 A1 EP2678846 A1 EP 2678846A1 EP 12717338 A EP12717338 A EP 12717338A EP 2678846 A1 EP2678846 A1 EP 2678846A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alarm
- triggering device
- alarm triggering
- signal
- trigger
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Definitions
- the present invention relates to an alarm triggering device for a security system (fire detection, intrusion detection, detection of malfunctions of technical installations, etc.); and a security system (fire detection, intrusion detection, malfunctions of technical installations, ). It applies in particular to the detection of fire or intrusion in public or private buildings, residential, industrial, commercial or leisure or the detection of malfunctions of technical installations. Thereafter the technical alarms will be designated as the detection of malfunctions of technical installations and, by a predetermined event, a fire, an intrusion or a malfunction of technical installations or the like.
- a fire detection system includes an electronic monitoring unit and a detection network in communication with the electronic control unit including one or more alarm triggering devices or detection points.
- alarm-triggering devices or detection points may include automatic fire detectors capable of capturing a phenomenon representative of a fire and manual fire detectors (manual triggers) which are able to be actuated by a person discovering a fire situation.
- the alarm triggering devices are generally distributed in the zone or zones to be monitored and connected to the central monitoring station.
- the electronic control unit allows you to monitor the zone or areas to be monitored by the alarm triggers and to sound an alarm when a fire is detected.
- the alarm triggering devices are connected to the central monitoring station so as to allow an exchange of information between the central unit and the said alarm triggering devices so that the central unit is informed of the state of each element of the network of alarms. detection, and if necessary to order them.
- Fire detection systems are known in which the alarm release devices are connected to the control unit by means of a wireless link.
- the link between each alarm triggering device and the control panel is of good quality to allow the exchange of information.
- the quality of the link may be degraded because of a loss of electrical power of the alarm triggering device or the presence of obstacles on the radio communication path between said alarm triggering device and the central station, for example. This can lead to a break in communication between the two elements.
- wireless communication for an alarm triggering device requires high power consumption, which can quickly deplete the power source.
- a power failure or radio communication can be very dangerous when a fire occurs because the alarm triggering device would not be able to communicate with the central monitoring station to alert it alarm trigger.
- the alarm trigger device is a manual release
- the person who actuates said manual release would not be informed that there is a malfunction of the trigger and that thus the alarm would not be transmitted to the central unit of the fire detection system.
- Fire detection systems are also known in which the alarm tripping devices belonging to the same detection network are connected to each other by means of the wireless links. This configuration allows the triggering of an alarm at each network alarm triggering device when one of the trigger devices is triggered.
- a power supply or radio communication fault can be very dangerous when a fire occurs because the alarm triggering device would not be able to communicate with the other trigger devices to trigger an alarm at the level of the alarm. each alarm triggering device of the network.
- the present invention aims to remedy all or part of the aforementioned drawbacks.
- the present invention aims an alarm triggering device for a security system comprising: an interface arranged to connect the alarm triggering device to a management device (also called central or monitoring station) of the security system by means of at least one wireless link; triggering means for triggering an alarm in the event of a predetermined event; power supply means for enabling power supply of the alarm triggering device from a power source; communication control means for detecting the absence of communication with the management device for a predetermined period of time; and signaling means for signaling, at the level of the alarm trigger device, said absence of communication
- a management device also called central or monitoring station
- the alarm triggering device comprises means for controlling the operating state of the trigger device and the fault communication means for signaling to the management device information representative of the device. operating state .
- the alarm trigger device comprises response means able to detect the reception of an interrogation signal from the management device, and in response to the reception of the signal of interrogation to transmit the information representative of the operating state of the trigger device to the management device.
- the operating state control means are arranged to check the power state of the alarm triggering device. According to one embodiment of the invention, the control means of the operating state are arranged to measure a parameter representative of the amount of energy remaining in the power source.
- the operating state control means are arranged to check the state of the wireless link with the management device.
- the operating state control means are arranged to measure a parameter representative of the quality of the reception of a predetermined radio control signal from said management device.
- the operating state control means are arranged to measure the signal-to-noise ratio or the intensity of the predetermined radio control signal. Intensity will be designated later any parameter representative of the quality of information transmission over the radio link such as the amplitude of the signal or its modulation in phase or frequency, for example.
- the alarm triggering device comprises means for detecting a presence of at least one person in the vicinity of the triggering device and in which the signaling means are able to signal an alarm. visible or audible alarm when the presence of a person is detected.
- the detection means comprise an infrared ray detector in from an infrared emitter associated with or from a person.
- the means' trigger are arranged to allow a user to manually trigger an alarm if predetermined event for example of a fire.
- the triggering means are arranged to automatically detect a phenomenon representative of a predetermined event, for example a fire.
- a second aspect of the invention relates to a security system comprising a management device adapted to be connected via a wireless link to at least one alarm trigger device according to the first aspect of the invention and further comprising interrogation means for sending an interrogation signal to said at least one triggering device to obtain information representative of the operating state of the triggering device.
- a third aspect of the invention is directed to a monitoring method for a security system comprising a management device and at least the alarm triggering device adapted to communicate with the alarm trigger device by means of a link without wire (50), the method comprising a step of controlling the wireless link to detect the absence of communication from the management device to the trigger device for a predetermined period of time; and a signaling step for signaling said lack of communication at the alarm triggering device.
- the method comprises detecting the reception of an interrogation signal from the management device, and in response to the reception of the interrogation signal, the transmission of a response message to the device. Management.
- the method comprises detecting the reception of an interrogation signal from the management device, and in response to the reception of the interrogation signal, the transmission of a response message to the device. management and in response to the reception of the response signal by the management device the transmission of a confirmation message to the management device.
- the method comprises the repetition over time of the sequences of events described above.
- the method comprises detecting the reception of an interrogation signal from the management device, and in response to the reception of the interrogation signal, the transmission of information representative of the state of the interrogation. operation of the trigger device at the management device.
- the predetermined duration of time can be chosen according to the time duration between the interrogation signals. For example, if the duration of time between two interrogation signals is of the order of 12 hours, the predetermined duration of time can be chosen greater than 12 hours. If in this case for example the predetermined duration is chosen to be 24 hours the alarm device would be arranged to report an absence of communication when he has not received two successive interrogation signals.
- the opening frequency of the listening windows of the device for triggering an interrogation signal is chosen as a function of the transmission frequency of the interrogation signal by the management device. In a particular embodiment, the opening instants of the listening windows of the device for triggering an interrogation signal are chosen as a function of the times when the interrogation signal is sent by the management device.
- the present invention provides an alarm triggering device for a security system comprising: an interface arranged to connect the alarm triggering device to a management device (also called central or central monitoring) of the security system by means of at least one wireless link; a trigger for triggering an alarm in the event of a predetermined event; a power supply module for enabling power supply of the alarm triggering device from a power source; a communication controller for detecting the absence of communication with the management device for a predetermined period of time; and a signaling module for signaling, at the level of the alarm trigger device, said absence of communication
- a management device also called central or central monitoring
- FIG. 1 schematically represents elements of a security system according to a first embodiment of the invention.
- FIG. 2 diagrammatically represents a central monitoring unit according to a first embodiment of the invention.
- FIG. 2B diagrammatically represents the front face of a control panel box according to a first embodiment of the invention.
- FIG. 3 schematically represents an alarm trigger device according to a first embodiment of the invention.
- a security system 10 according to a first embodiment of the invention is shown schematically in FIG. 1.
- This security system comprises an electronic monitoring unit 100, connected to several alarm triggering devices 200-1 ... 200n distributed in an area to be monitored using wireless links 50-1 ... 50-n.
- the alarm tripping devices can be interconnected by means of the wireless links 55-1 ... 55-n.
- the monitoring station 100 is made with a single box 110 grouping together a set of computerized management means 101 for checking the state of the wireless links 50-1. 50-n between the monitoring unit 100 and the alarm triggering devices 200, signaling 103, communication 104 and control 105.
- the monitoring station 100 further comprises a processor 106 for managing these means and a memory 107 to store data.
- the monitoring unit 100 is configured in a manner known per se to detect the occurrence of an alarm of any of the trigger devices 200-1..200-n, signaling the alarm condition by visual means and and / or sound and to control said alarm trigger devices 200-1..200-n.
- the communication means 104 comprise a wireless interface including a device for receiving and transmitting radio signals, provided with an antenna to enable the monitoring station 100 to communicate with the alarm triggering devices 200-1. .200-n using wireless links 50-1 ... 50-n.
- the control means 102 is connected to the wireless interface 104 and is configured to send an interrogation signal to the alarm trigger device 200-i to receive information from the alarm trigger device the operating state of said alarm trigger device 200-i.
- the information representative of the operating state of said alarm trigger device 200-i may include information representative of the state of the wireless link 50-i between the monitoring station 100 and the alarm triggering device. 200-i and / or the state of the power supply battery 200-i alarm trigger device.
- control means 102 are configured so as to verify, at the central monitoring station 100, the state of the wireless link 50-i between the monitoring station 100 and the control station 100. alarm trigger device 200-i.
- the control means 102 may be configured to measure the intensity of the radio response signal received from the trigger device 200-i through the 50-i wireless interface and compare the measured intensity with a predetermined intensity threshold.
- the control means 102 may be configured to alternately or additionally measure the signal-to-noise ratio of the radio signal received from the trigger device 200-i via the wireless interface 50-i and to compare this ratio. measured noise signal with a predetermined signal-to-noise ratio threshold FIG.
- FIG. 2B shows the front face 112 of the box 110 of the monitoring station 100 comprising alarm lights 113, each of which represents the alarm state of a corresponding alarm trigger device 200 of the monitoring system, in a manner known per se.
- the front face 112 further comprises operating indicators 114A, 114B which each indicate the operating state of the corresponding alarm trigger device, a sound transmitter 115, and a display screen 116.
- the sound transmitter 115 is of known type in alarms, for example, fire and is adapted to emit an audible alarm signal.
- Each operation indicator 114n may correspond to a different trigger device 200n.
- the display screen 116 allows the central processor to display visual messages to a user of the fire monitoring station 100 and / or a member of the maintenance service of this device.
- the display screen 116 is adapted to display an alarm indicator and / or a status indicator of the operation of one or more trigger devices 200.
- the signaling means 103 are configured to generate signaling different depending on the operating state of the alarm triggering device.
- the signaling means 103 may be configured to handle the light emission of an operation indicator 114A so that the color of the operation indicator 114A varies depending on the intensity or the signal-to-noise ratio of the signal of operation. control or response received from the trigger device, and to manage the light emission of an operation indicator 114B so that the color of the operation indicator 114B varies depending on the level of energy remaining in the battery of supply of the corresponding alarm triggering device.
- the brightness of the light of the indicator 114A or 114B may vary depending on the intensity or signal-to-noise ratio of the received control or response signal; or the level of energy remaining in the battery.
- the signaling means 103 may be configured to manage the frequency of the flashing of the operation indicator 114A or 114B depending on the intensity or the signal-to-noise ratio of the received control or response signal and / or the energy level remaining in the power stack.
- the operation indicator 114A, 114B may comprise a plurality of transmission elements and the number of the illuminated emission elements may vary depending on the intensity or signal-to-noise ratio of the received control or response signal. and / or the level of energy remaining in the power stack.
- the signaling means 103 may generate a sound signal whose volume or frequency varies as a function of the intensity or the signal-to-noise ratio of the received control or response signal and / or the energy level. remaining in the power stack.
- information regarding the operating state of the alarm triggering device may be displayed on the signaling board 116 of the central monitoring station 100.
- Alarm triggering devices 200-1 ... 200n include automatic triggers having predetermined event detectors and manual triggers.
- the automatic predetermined event detectors are capable of capturing a representative phenomenon of a predetermined event, for example in the case of a fire of smoke or flames. These detectors can be configured to detect a variation of a physical or chemical quantity, for example and without limitation, a temperature, a presence of smoke particles or a composition of the air and, when this variation meets criteria.
- predetermined for example amplitude, derivative or second derivative criteria
- said detector transmits a signal representative of a predetermined event detection to the monitoring station 100 via the wireless links 50-n.
- the automatic triggers trigger an alarm in response to the detection of the predetermined event representative phenomenon.
- Manual triggers for their part are able to be operated manually by a person discovering a predetermined event situation, for example a fire.
- an alarm signal is transmitted to the central monitoring station 100.
- an alarm signal can also be transmitted to the other alarm triggering devices. 200-1 to 200-n using the wireless links 55-1..55-n to allow other alarm triggers 200-1 to 200-n to trigger an alarm locally.
- an alarm signal can be signaled at the level of the alarm triggering device.
- An alarm triggering device 200 for the security system is shown schematically in FIG. 3.
- the alarm triggering device in this embodiment is a manual trigger 200
- This manual release comprises a wireless interface 210 for connecting the manual release 200 to the monitoring center 100 of the fire detection system by means of the wireless link 50; a mechanical release 220 such as a push button having one or two stable equilibrium positions to allow a user to manually trigger an alarm in the event of a predetermined event, for example a fire; a power supply 230 to power the manual release 200; a communication control processor 240 for detecting an absence of communication from the monitoring station 100 for a predetermined duration; and a signaling device 250 able to signal at the level of the manual release 200 an absence of communication detected by the fault detector 240.
- the control processor 240 is connected to the wireless interface 210 and to the stack 230. It is configured to detect a lack of wireless communication with the monitoring station 100 and to detect a defect of supply to the manual release from the battery 230.
- control processor 240 may be configured to wait, for a predetermined period of time, an interrogation signal from the monitoring station 100.
- the predetermined duration of time can be chosen according to the time duration between two interrogation signals. For example if the duration of time between two interrogation signals is of the order of 12 hours la. duration of time can be chosen to be greater than 12 hours. If in this case, for example, the predetermined duration is chosen to be of the order of 24 hours, the alarm triggering device can activate its alarm signaling means, in the absence of two consecutive interrogation signals. .
- the monitoring station 100 transmits an interrogation signal for example every 200 seconds during a transmission window lasting 3 seconds to the triggers and the latter are arranged to activate their means of communication. listen during a listening window of 10 ms every 2 seconds.
- the central unit In order to limit the consumption of the central unit, it is possible to space the interrogation messages and transmit them for example every 12 hours. In such a configuration, it is possible to wake up the trigger listening system at the scheduled times for sending interrogation messages by the central unit and, in order to guard against an offset of the internal clocks of the trigger and the central unit. , to activate the trigger listening means during listening windows for example 10 ms every 2 seconds for a period of 1 min centered on the planned transmission times of the central.
- control unit sends a message every 12 hours for example in a time window of more than 3 seconds to the triggers and the latter are arranged to activate their listening means during a listening window of 10 ms all the 2 seconds.
- the control processor 240 following a good reception of the interrogation signal sent by the central unit to the trigger, activates a response to the control panel. If the control unit receives this response, it returns an acknowledgment message to the trigger. If this acknowledgment message is not received, the trigger can either activate its alarm signaling means, or send back to the central station a second message of response to the request and possibly several others in case of non-reception of the request. acknowledgment message from the control panel.
- the control processor 240 detects an absence of message reception for a predetermined period of time, as described in the above examples, the signaling device 250 is implemented in such a way as to signal the defect of communication at the ' manual trigger 200.
- the signaling device 250 is implemented in such a way as to signal the defect of communication at the ' manual trigger 200.
- a person in the vicinity of the manual release 200 will be alerted of the absence of communication between the manual release 200 and the central monitoring station 100.
- control processor 240 may be configured to measure the intensity and / or the signal-to-noise ratio of a radio signal received from the monitoring station 100 via the wireless interface 50 and comparing it with a threshold intensity and / or predetermined signal-to-noise ratio.
- control processor 240 may be configured to measure the level of energy remaining in the stack 230 to compare it with a predetermined threshold., Measuring an energy level below the threshold indicates a power supply malfunction.
- the manual release device 200 is equipped with a presence detector 260.
- the presence detector 260 is configured to transmit a control signal to the signaling device so as not to activate the means. 250 in the presence of at least one person in the vicinity of the manual release 200.
- Such collaboration between the presence detector and the signaling means 250 avoids the implementation of the signaling means in the absence of a person in his neighborhood, which could consume the little energy remaining in the power cell.
- the presence detector 260 includes an infrared ray detector for detecting infrared rays from an associated infrared ray emitter.
- the presence detector 260 comprises an infrared ray detector for detecting infrared rays from one or more persons in the vicinity of the manual release. The appearance of these infrared rays would indicate the presence of one or more people in the vicinity of the manual release.
- the presence detector 260 may be integrated in the alarm triggering device 200 or may be a separate device from the alarm triggering device and associated with the alarm triggering device 200.
- the The controller may be configured to send a test signal to the monitoring station 100 and wait for a response signal from the monitoring station 100 to verify the wireless link 50. No response or reception of a signal low intensity response may indicate a wireless link fault.
- the signaling means 250 may be configured to generate different signaling as a function of a malfunction of the alarm trigger device 200.
- the signaling means 250 may comprise a first indicator light. of warning dedicated to a communication fault with the central monitoring station and a second warning light Warning message dedicated to a power failure.
- the transmission of a signal visible from the first indicator indicates a communication fault and the emission of a signal visible from the second indicator indicates a power failure.
- a single indicator can be configured to emit different colors depending on the malfunction or to flash at different frequencies depending on the malfunction.
- a sound signal may be emitted by the signaling means to warn of a malfunction. Different sounds may be emitted depending on the detected malfunction or the transmission frequency of these sounds may vary depending on the malfunction or these sounds may be transmitted as pulses at fault-dependent repetition frequencies. Operating.
- the invention is not limited to those modes of applications and achievements that have been more specifically considered; it encompasses all variants without departing from the scope of the invention as defined by the claims.
- the embodiments have been described with a manual trigger, it will be understood that in other embodiments of the invention, the automatic fire detectors may be used.
- the signaling device in the absence of a person in these surroundings, which could consume the little energy remaining in the battery, it is in the case where the person would like trigger a fire alarm that she would informed that the trigger is not working and could then trigger the alarm via another manual trigger or otherwise.
- the radio link between a trigger and the central can be done using intermediate triggers, which can allow the radio link even if the distance between the trigger actuated and the central is too large to allow a direct connection.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL12717338T PL2678846T3 (pl) | 2011-03-31 | 2012-03-29 | Urządzenie wyzwalające alarm do systemu bezpieczeństwa |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1100950A FR2973546B1 (fr) | 2011-03-31 | 2011-03-31 | Dispositif de declenchement d'alarme pour un systeme de securite |
| PCT/FR2012/000115 WO2012131191A1 (fr) | 2011-03-31 | 2012-03-29 | Dispositif de declenchement d'alarme pour un systeme de securite |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2678846A1 true EP2678846A1 (fr) | 2014-01-01 |
| EP2678846B1 EP2678846B1 (fr) | 2015-05-20 |
| EP2678846B2 EP2678846B2 (fr) | 2019-05-22 |
Family
ID=46017905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12717338.3A Active EP2678846B2 (fr) | 2011-03-31 | 2012-03-29 | Dispositif de declenchement d'alarme pour un systeme de securite |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2678846B2 (fr) |
| ES (1) | ES2545519T3 (fr) |
| FR (1) | FR2973546B1 (fr) |
| PL (1) | PL2678846T3 (fr) |
| WO (1) | WO2012131191A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3002064B1 (fr) * | 2013-02-13 | 2016-06-03 | Finsecur | Dispositif d'alarme, centrale d'alarme et procede d'alarme |
| FR3101299B1 (fr) * | 2019-10-01 | 2021-10-01 | Aguila Tech | Système de sécurité pour des véhicules de transport collectif de passagers comprenant une pluralité de brise-glaces |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19539312A1 (de) † | 1995-10-23 | 1997-04-24 | Grundig Emv | Verfahren zur Erhöhung der Übertragungssicherheit bei Funkalarmanlagen |
| US6624750B1 (en) † | 1998-10-06 | 2003-09-23 | Interlogix, Inc. | Wireless home fire and security alarm system |
| DE10321204B3 (de) * | 2003-05-12 | 2005-01-13 | Siemens Ag | Verfahren und Einrichtung zur Funktionsüberwachung von Funkübertragungswegen in einem Gefahrenmeldesystem |
| GB0318054D0 (en) * | 2003-08-01 | 2003-09-03 | Euronet Security Ltd | Remote alarm apparatus |
| DE602005027374D1 (de) * | 2004-10-18 | 2011-05-19 | Kidde Portable Equipment Inc | Frequenzkommunikationsschema in lebenserhaltenden vorrichtungen |
| EP1803105B1 (fr) * | 2004-10-18 | 2009-12-30 | Walter Kidde Portable Equipment, Inc. | Suppression d'alarme de batterie faible dans des dispositifs de securite des personnes |
| GB2423397A (en) † | 2005-02-18 | 2006-08-23 | Locca Tech Ltd | Wireless smoke alarm system |
| US7495553B2 (en) † | 2005-07-05 | 2009-02-24 | Robert Bosch Gmbh | Method of installing a wireless security system |
| JP2007195095A (ja) † | 2006-01-23 | 2007-08-02 | Kowa Co | 無線センサシステム |
-
2011
- 2011-03-31 FR FR1100950A patent/FR2973546B1/fr not_active Expired - Fee Related
-
2012
- 2012-03-29 PL PL12717338T patent/PL2678846T3/pl unknown
- 2012-03-29 EP EP12717338.3A patent/EP2678846B2/fr active Active
- 2012-03-29 ES ES12717338.3T patent/ES2545519T3/es active Active
- 2012-03-29 WO PCT/FR2012/000115 patent/WO2012131191A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012131191A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2678846T3 (pl) | 2015-10-30 |
| FR2973546A1 (fr) | 2012-10-05 |
| EP2678846B2 (fr) | 2019-05-22 |
| ES2545519T3 (es) | 2015-09-11 |
| WO2012131191A1 (fr) | 2012-10-04 |
| FR2973546B1 (fr) | 2013-04-05 |
| EP2678846B1 (fr) | 2015-05-20 |
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