EP1362618B1 - Method and device for preventing fire in an electric device - Google Patents
Method and device for preventing fire in an electric device Download PDFInfo
- Publication number
- EP1362618B1 EP1362618B1 EP02010891A EP02010891A EP1362618B1 EP 1362618 B1 EP1362618 B1 EP 1362618B1 EP 02010891 A EP02010891 A EP 02010891A EP 02010891 A EP02010891 A EP 02010891A EP 1362618 B1 EP1362618 B1 EP 1362618B1
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- EP
- European Patent Office
- Prior art keywords
- operating state
- power consumption
- abnormal operating
- electrical equipment
- learning process
- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
Definitions
- the present invention relates to a method and a device for fire prevention in electrical installations, in particular apparatus and installations.
- Fire protection can essentially be divided into three successive stages: Fire prevention, fire detection and fire fighting.
- Fire prevention is actually operated only by structural measures, by appropriate design, choice of materials and the like is attempted, the threshold for the Emergence of a fire as high as possible.
- the emergence of a fire as such that is, the occurrence of possible or probable causes of a fire, can not be monitored with the means and methods known today. Only the appearance of Fire characteristics, such as smoke, flame, flammable gas or high temperature allows one Fire detection, which then triggers the actual firefighting or extinguishing, see e.g. US-A-6 104 301.
- the inventive method is characterized in that the time course of the Power consumption of the institution concerned and monitored for the occurrence of an abnormal Operating state is examined.
- a first preferred embodiment of the method according to the invention is characterized in that that the temporal course of the power consumption measured and by means of intelligent Signal processing algorithms detected the occurrence of an abnormal operating condition and that when an abnormal operating condition occurs, the electrical device switched off and / or alarm is triggered.
- a third preferred embodiment of the method according to the invention is characterized in that that in a learning process, a range of normal operating conditions is set and that the occurrence of an abnormal operating condition based on a comparison of the time course of power consumption is detected with this range.
- said learning process is a supported learning process, which in one optionally switchable learning mode takes place, or an independent learning process in which an automatic definition of the range of the normal operating states takes place.
- the invention further relates to a device for carrying out said method.
- the Device according to the invention is characterized by means for measuring the temporal History of the power consumption of the relevant electrical device and for comparison the measured power consumption with a normal operating state representing Setpoint.
- a first preferred embodiment of the device according to the invention is characterized in that that said means with the power supply of the electrical device connected and to interrupt the power supply when an abnormal operating condition occurs are formed.
- a second preferred embodiment of the device according to the invention is characterized in that that said means are connected to a danger control center, which triggers and / or alarms when an abnormal operating condition occurs relevant electrical device is turned off.
- a third preferred embodiment is characterized in that said means are connected to a security control center of a fire alarm system, by which the Occurrence of an abnormal operating condition the sensitivity of those in the area of the concerned electrical device arranged fire detector is increased.
- drawing is a schematic representation of an inventive Device for fire prevention in electrical equipment shows.
- an electrical device 1 is connected via a line 2 to a power supply 3, for example to the mains, connected.
- the electrical device 1 can a single electrical apparatus, an electrical machine or one of a plurality of Apparatus and / or machinery existing plant.
- the device 1 is a sensor 4 for the monitoring of the time course of power consumption of the device 1 assigned.
- the sensor 4 measures the time course of the power consumption and provides intelligent means Signal processing algorithms the occurrence of an abnormal operating state, ie a a certain amount exceeding deviation from the normal operating state. At the Occurrence of an abnormal operating condition will be appropriate measures, such as shutdown the electrical device and / or triggering an alarm initiated.
- the normal operating state in a learning process is the normal operating state not fixed immutable, but by measuring the deviations, within certain limits, either in a supported or in one independent learning process, adaptively tracked. In this way, the sensor 4 "learns" independently know the range of the normal operating condition and can deviate from normal Operating state via an alarm output 5 Trigger alarm.
- the senor 4 is connected to the relevant electrical device 1 Stand alone device whose alarm output 5 is connected to the feed line 2 and in the event of an alarm, ie when an abnormal operating condition occurs, by opening a Switch 7 separates.
- the alarm output 5 may be formed as a relay output.
- security level 3 alarm is triggered and / or the relevant electrical device. 1 off. If the security center 6 is a fire alarm system, then in addition from danger level 1 the sensitivity of the connected to the fire panel Fire detector 8 in the hazardous area, this is the area in the vicinity of the electrical Facility 1, to be increased.
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electric Motors In General (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zur Brandverhütung in elektrischen Einrichtungen, insbesondere Apparaten und Anlagen.The present invention relates to a method and a device for fire prevention in electrical installations, in particular apparatus and installations.
Beim Brandschutz kann man im wesentlichen drei zeitlich aufeinander folgende Stufen unterscheiden: Brandverhütung, Branddetektion und Brandbekämpfung.Fire protection can essentially be divided into three successive stages: Fire prevention, fire detection and fire fighting.
Brandverhütung wird bisher eigentlich nur durch bauliche Massnahmen betrieben, indem durch geeignete Bauweise, Materialauswahl und dergleichen versucht wird, die Schwelle für das Entstehen eines Brandes möglichst hoch zu legen. Die Entstehung eines Brandes als solche, das heisst das Auftreten von möglichen oder wahrscheinlichen Ursachen eines Brandes, kann mit den heute bekannten Mitteln und Methoden nicht überwacht werden. Erst das Auftreten von Brandkenngrössen, wie Rauch, Flamme, Brandgas oder hohe Temperatur ermöglicht eine Branddetektion, die dann die eigentliche Brandbekämpfung oder Löschung auslöst, siehe z.B. US-A-6 104 301.Fire prevention is actually operated only by structural measures, by appropriate design, choice of materials and the like is attempted, the threshold for the Emergence of a fire as high as possible. The emergence of a fire as such, that is, the occurrence of possible or probable causes of a fire, can not be monitored with the means and methods known today. Only the appearance of Fire characteristics, such as smoke, flame, flammable gas or high temperature allows one Fire detection, which then triggers the actual firefighting or extinguishing, see e.g. US-A-6 104 301.
Durch die vorliegende Erfindung soll nun ein Verfahren angegeben werden, welches die Erkennung der möglichen Entstehung eines Brandes in elektrischen Einrichtungen ermöglicht. Da nachweislich viele Brände in elektrischen Defekten ihre Ursache haben, würde ein solches Verfahren sehr wesentlich zur Brandverhütung beitragen. Entstehung bedeutet in diesem Zusammenhang, dass noch keine mit üblichen Detektoren nachweisbaren Brandkenngrössen aufgetreten sind.By the present invention, a method will now be given, which detects the recognition the possible emergence of a fire in electrical facilities allows. There demonstrably many fires in electrical defects have their cause, such a procedure would contribute significantly to fire prevention. Genesis in this context means that no fire characteristics detectable with conventional detectors have yet occurred are.
Das erfindungsgemässe Verfahren ist dadurch gekennzeichnet, dass der zeitliche Verlauf der Leistungsaufnahme der betreffenden Einrichtung überwacht und auf das Auftreten eines abnormalen Betriebszustandes untersucht wird.The inventive method is characterized in that the time course of the Power consumption of the institution concerned and monitored for the occurrence of an abnormal Operating state is examined.
Sobald ein abnormaler Betriebszustand, das ist ein Verhalten des zeitlichen Verlaufs der Leistungsaufnahme ausserhalb eines normal zulässigen Bereichs, festgestellt wird, wird eine Intervention ausgelöst, so dass ein Brand gar nicht erst entstehen kann.Once an abnormal operating condition, this is a behavior of the time course of power consumption is detected outside of a normal range, a Intervention triggered, so that a fire can not even arise.
Eine erste bevorzugte Ausführungsform des erfindungsgemässen Verfahrens ist dadurch gekennzeichnet, dass der zeitliche Verlauf der Leistungsaufnahme gemessen und mittels intelligenter Signalverarbeitungsalgorithmen das Auftreten eines abnormalen Betriebszustands festgestellt wird, und dass beim Auftreten eines abnormalen Betriebszustands die elektrische Einrichtung abgeschaltet und/oder Alarm ausgelöst wird. A first preferred embodiment of the method according to the invention is characterized in that that the temporal course of the power consumption measured and by means of intelligent Signal processing algorithms detected the occurrence of an abnormal operating condition and that when an abnormal operating condition occurs, the electrical device switched off and / or alarm is triggered.
Gemäss einer zweiten bevorzugten Ausführungsform des erfindungsgemässen Verfahrens erfolgt ein Vergleich des zeitlichen Verlaufs der Leistungsaufnahme mit den bekannten Spezifikationen der betreffenden elektrischen Einrichtung.According to a second preferred embodiment of the inventive method A comparison of the time course of the power consumption with the known specifications the relevant electrical device.
Eine dritte bevorzugte Ausführungsform des erfindungsgemässen Verfahrens ist dadurch gekennzeichnet, dass in einem Lernprozess ein Bereich der normalen Betriebszustände festgelegt wird, und dass das Auftreten eines abnormalen Betriebszustands anhand eines Vergleichs des zeitlichen Verlaufs der Leistungsaufnahme mit diesem Bereich festgestellt wird.A third preferred embodiment of the method according to the invention is characterized in that that in a learning process, a range of normal operating conditions is set and that the occurrence of an abnormal operating condition based on a comparison of the time course of power consumption is detected with this range.
Vorzugsweise ist der genannte Lernprozess ein unterstützter Lernprozess, welcher in einem wahlweise einschaltbaren Lernmodus erfolgt, oder ein selbständiger Lernprozess, bei welchem eine automatische Festlegung des Bereichs der normalen Betriebszustände erfolgt.Preferably, said learning process is a supported learning process, which in one optionally switchable learning mode takes place, or an independent learning process in which an automatic definition of the range of the normal operating states takes place.
Die Erfindung betrifft weiter eine Vorrichtung zur Durchführung des genannten Verfahrens. Die erfindungsgemässe Vorrichtung ist gekennzeichnet durch Mittel für die Messung des zeitlichen Verlaufs der Leistungsaufnahme der betreffenden elektrischen Einrichtung und für den Vergleich der gemessenen Leistungsaufnahme mit einem einen normalen Betriebszustand repräsentierenden Sollwert.The invention further relates to a device for carrying out said method. The Device according to the invention is characterized by means for measuring the temporal History of the power consumption of the relevant electrical device and for comparison the measured power consumption with a normal operating state representing Setpoint.
Eine erste bevorzugte Ausführungsform der erfindungsgemässen Vorrichtung ist dadurch gekennzeichnet, dass die genannten Mittel mit der Stromspeisung der elektrischen Einrichtung verbunden und zur Unterbrechung der Stromspeisung beim Auftreten eines abnormalen Betriebszustands ausgebildet sind.A first preferred embodiment of the device according to the invention is characterized in that that said means with the power supply of the electrical device connected and to interrupt the power supply when an abnormal operating condition occurs are formed.
Eine zweite bevorzugte Ausführungsform der erfindungsgemässen Vorrichtung ist dadurch gekennzeichnet, dass die genannten Mittel mit einer Gefahrenmeldezentrale verbunden sind, durch welche beim Auftreten eines abnormalen Betriebszustands Alarm ausgelöst und/oder die betreffende elektrische Einrichtung abgeschaltet wird.A second preferred embodiment of the device according to the invention is characterized in that that said means are connected to a danger control center, which triggers and / or alarms when an abnormal operating condition occurs relevant electrical device is turned off.
Eine dritte bevorzugte Ausführungsform ist dadurch gekennzeichnet, dass die genannten Mittel mit einer Gefahrenmeldezentrale einer Brandmeldeanlage verbunden sind, durch welche beim Auftreten eines abnormalen Betriebszustands die Empfindlichkeit der im Bereich der betreffenden elektrischen Einrichtung angeordneten Brandmelder erhöht wird.A third preferred embodiment is characterized in that said means are connected to a security control center of a fire alarm system, by which the Occurrence of an abnormal operating condition the sensitivity of those in the area of the concerned electrical device arranged fire detector is increased.
Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels und der einzigen Zeichnung näher erläutert, wobei die Zeichnung eine schematische Darstellung einer erfindungsgemässen Vorrichtung zur Brandverhütung in elektrischen Einrichtungen zeigt.In the following the invention with reference to an embodiment and the single drawing explained in more detail, wherein the drawing is a schematic representation of an inventive Device for fire prevention in electrical equipment shows.
Darstellungsgemäss ist eine elektrische Einrichtung 1 über eine Leitung 2 an eine Stromversorgung
3, beispielsweise an das Stromnetz, angeschlossen. Die elektrische Einrichtung 1 kann
ein einzelner elektrischer Apparat, eine elektrische Maschine oder eine aus einer Mehrzahl von
Apparaten und/ oder Maschinen bestehende Anlage sein. Der Einrichtung 1 ist ein Sensor 4 für
die Überwachung des zeitlichen Verlaufs der Leistungsaufnahme der Einrichtung 1 zugeordnet. According to the representation, an
Der Sensor 4 misst den zeitlichen Verlauf der Leistungsaufnahme und stellt mittels intelligenter Signalverarbeitungsalgorithmen das Auftreten eines abnormalen Betriebzustandes, also eine ein bestimmtes Mass übersteigende Abweichung vom normalen Betriebszustand fest. Beim Auftreten eines abnormalen Betriebszustands werden geeignete Massnahmen, wie Abschalten der elektrischen Einrichtung und/oder Auslösung eines Alarms, eingeleitet.The sensor 4 measures the time course of the power consumption and provides intelligent means Signal processing algorithms the occurrence of an abnormal operating state, ie a a certain amount exceeding deviation from the normal operating state. At the Occurrence of an abnormal operating condition will be appropriate measures, such as shutdown the electrical device and / or triggering an alarm initiated.
Die Detektion eines abnormalen Betriebszustands kann auf drei Arten erfolgen, die sich im wesentlichen dadurch unterscheiden, wie der normale Betriebszustand festgelegt wird:
- Der normale Betriebszustand ist durch die bekannten Spezifikationen der betreffenden
elektrischen Einrichtung 1 definiert. Jede einen vorgegebenen Bereich übersteigende Abweichung von den Spezifikationen stellt einen abnormalen Betriebszustand dar. - Der normale Betriebszustand wird in einem unterstützten Lernprozess definiert. Dabei bedeutet unterstützt, dass die erfindungsgemässe Vorrichtung in einen Lernmodus geschaltet wird und in diesem die Leistungsparameter misst. Dann wird die Vorrichtung scharf geschaltet, wobei die im Lernmodus gemessenen Leistungsparameter den normalen Betriebszustand definieren.
- Der normale Betriebszustand wird in einem selbständigen Lernprozess automatisch festgelegt. Die Vorrichtung wird nicht in einen speziellen Lernmodus geschaltet sondern läuft von Anfang im scharf geschalteten Betriebszustand und misst in diesem laufend die Leistungsparameter. Zu Beginn wird der normale Betriebszustand eine relativ grosse Bandbreite aufweisen und die Vorrichtung wird eher unempfindlich sein. Mit der Zeit wird die Bandbreite des normalen Betriebszustands automatisch eingeschränkt.
- The normal operating state is defined by the known specifications of the relevant
electrical device 1. Any deviation from the specifications exceeding a given range represents an abnormal operating condition. - The normal operating state is defined in a supported learning process. In this case, support means that the device according to the invention is switched to a learning mode and measures the performance parameters therein. Then the device is armed, with the performance parameters measured in the learning mode defining the normal operating state.
- The normal operating state is automatically set in an independent learning process. The device is not switched into a special learning mode but runs from the beginning in the armed operating state and measures in this continuously the performance parameters. Initially, the normal operating state will have a relatively large bandwidth and the device will be rather insensitive. Over time, the bandwidth of the normal operating state is automatically restricted.
Bei der Festlegung des normalen Betriebszustands in einem Lernprozess ist der normale Betriebszustand
nicht unveränderlich festgelegt, sondern wird durch die Messung der Abweichungen,
die innerhalb bestimmter Grenzen liegen, entweder in einem unterstützten oder in einem
selbständigen Lernprozess, adaptiv nachgeführt. Auf diese Weise "lernt" der Sensor 4 selbständig
den Bereich des normalen Betriebszustands kennen und kann bei Abweichungen vom normalen
Betriebszustand über einen Alarmausgang 5 Alarm auslösen.In determining the normal operating state in a learning process is the normal operating state
not fixed immutable, but by measuring the deviations,
within certain limits, either in a supported or in one
independent learning process, adaptively tracked. In this way, the sensor 4 "learns" independently
know the range of the normal operating condition and can deviate from normal
Operating state via an
Im einfachsten Fall ist der Sensor 4 ein an die betreffende elektrische Einrichtung 1 angeschlossenes
Stand Alone Gerät, dessen Alarmausgang 5 mit der Speiseleitung 2 verbunden ist und
diese im Alarmfall, also beim Auftreten eines abnormalen Betriebszustands, durch Öffnen eines
Schalters 7 trennt. Alternativ kann der Alarmausgang 5 als Relaisausgang ausgebildet sein.In the simplest case, the sensor 4 is connected to the relevant
Der Alarmausgang 5 kann auch an eine Gefahrenmeldezentrale 6 angeschlossen sein, welche nach einem Gefahrenstufenkonzept arbeitet. Entweder dezentral in der Vorrichtung 4 oder zentral in der Zentrale 6 wird die gemessene dynamische Leistungsaufnahme der elektrischen Einrichtung 1 in mehrere, vorzugsweise 4 Gefahrenstufen klassiert.
- Gefahrenstufe 0:
- Keine Abweichung vom normalen Betriebszustand ⇒ kein abnormaler Betriebszustand.
- Gefahrenstufe 1:
- Geringe Abweichung vom normalen Betriebszustand ⇒ eventuell abnormaler Betriebszustand.
- Gefahrenstufe 2:
- Mittlere Abweichung vom normalen Betriebszustand ⇒ wahrscheinlich abnormaler Betriebszustand.
- Gefahrenstufe 3:
- Grössere Abweichung vom normalen Betriebszustand ⇒ abnormaler Betriebszustand.
- Security level 0:
- No deviation from normal operating condition ⇒ no abnormal operating condition.
- Security level 1:
- Slight deviation from the normal operating condition ⇒ possibly abnormal operating condition.
- Danger level 2:
- Mean deviation from normal operating condition ⇒ probably abnormal operating condition.
- Security level 3:
- Greater deviation from normal operating condition ⇒ abnormal operating condition.
Bei Gefahrenstufe 3 wird Alarm ausgelöst und/oder die betreffende elektrische Einrichtung 1
abgeschaltet. Wenn die Gefahrenmeldezentrale 6 eine Brandmeldezentrale ist, dann kann zusätzlich
ab Gefahrenstufe 1 die Empfindlichkeit der an die Brandmeldezentrale angeschlossenen
Brandmelder 8 im gefährdeten Bereich, das ist der Bereich in der Umgebung der elektrischen
Einrichtung 1, erhöht werden.At
Claims (10)
- Method for preventing fire in electrical equipment (1), characterized in that the variation over time of the power consumption of the equipment (1) concerned is monitored and the occurrence of an abnormal operating state is investigated.
- Method according to Claim 1, characterized in that the variation over time of the power consumption is measured and the occurrence of an abnormal operating state is established by means of intelligent signal processing algorithms, and in that, when an abnormal operating state occurs, the electrical equipment (1) is switched off and/or an alarm is triggered.
- Method according to Claim 2, characterized in that a comparison of the variation over time of the power consumption with the known specifications of the electrical equipment (1) concerned takes place.
- Method according to Claim 2, characterized in that a range of the normal operating states is established in a learning process, and in that the occurrence of an abnormal operating state is established on the basis of a comparison of the variation over time of the power consumption with this range.
- Method according to Claim 4, characterized in that the said learning process is an aided learning process, which takes place in a learning mode which can optionally be switched on.
- Method according to Claim 4, characterized in that the said learning process is an independent learning process, in which automatic establishment of the range of the normal operating states takes place.
- Device for carrying out the method according to Claim 1, characterized by means (4) for the measurement of the variation over time of the power consumption of the electrical equipment (1) concerned and for the comparison of the measured power consumption with a setpoint value representing a normal operating state.
- Device according to Claim 7, characterized in that the said means (4) are connected to the power feed (2) of the electrical equipment (1) and are designed for interrupting the power feed (2) when an abnormal operating state occurs.
- Device according to Claim 7, characterized in that the said means (4) are connected to a hazard warning centre (6), by which an alarm is triggered and/or the electrical equipment (1) concerned is switched off when an abnormal operating state occurs.
- Device according to Claim 7, characterized in that the said means (4) are connected to a hazard warning centre (6) of a fire detection system, by which the sensitivity of the fire detectors (8) arranged in the region of the electrical equipment (1) concerned is increased when an abnormal operating state occurs.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02010891A EP1362618B1 (en) | 2002-05-16 | 2002-05-16 | Method and device for preventing fire in an electric device |
| DE50203000T DE50203000D1 (en) | 2002-05-16 | 2002-05-16 | Method and device for fire prevention in electrical installations |
| AT02010891T ATE294616T1 (en) | 2002-05-16 | 2002-05-16 | METHOD AND DEVICE FOR FIRE PREVENTION IN ELECTRICAL EQUIPMENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02010891A EP1362618B1 (en) | 2002-05-16 | 2002-05-16 | Method and device for preventing fire in an electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1362618A1 EP1362618A1 (en) | 2003-11-19 |
| EP1362618B1 true EP1362618B1 (en) | 2005-05-04 |
Family
ID=29265936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02010891A Expired - Lifetime EP1362618B1 (en) | 2002-05-16 | 2002-05-16 | Method and device for preventing fire in an electric device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1362618B1 (en) |
| AT (1) | ATE294616T1 (en) |
| DE (1) | DE50203000D1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006019427A1 (en) | 2006-04-26 | 2007-10-31 | Linzmeier Bauelemente Gmbh | Battery charging point and associated operating and manufacturing process |
| CN107707623B (en) * | 2017-08-31 | 2021-04-30 | 深圳市盛路物联通讯技术有限公司 | Equipment work control method and related equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808541A (en) * | 1995-04-04 | 1998-09-15 | Golden; Patrick E. | Hazard detection, warning, and response system |
| JP2000510737A (en) * | 1996-05-22 | 2000-08-22 | シーメンス アクチエンゲゼルシヤフト | Fire extinguisher in at least one cable or wire duct |
-
2002
- 2002-05-16 EP EP02010891A patent/EP1362618B1/en not_active Expired - Lifetime
- 2002-05-16 AT AT02010891T patent/ATE294616T1/en active
- 2002-05-16 DE DE50203000T patent/DE50203000D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE50203000D1 (en) | 2005-06-09 |
| ATE294616T1 (en) | 2005-05-15 |
| EP1362618A1 (en) | 2003-11-19 |
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