EP1547954A1 - Aufzugsanlage und Überwachungssystem - Google Patents
Aufzugsanlage und Überwachungssystem Download PDFInfo
- Publication number
- EP1547954A1 EP1547954A1 EP04105562A EP04105562A EP1547954A1 EP 1547954 A1 EP1547954 A1 EP 1547954A1 EP 04105562 A EP04105562 A EP 04105562A EP 04105562 A EP04105562 A EP 04105562A EP 1547954 A1 EP1547954 A1 EP 1547954A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bus node
- sensor
- control unit
- bus
- state
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
Definitions
- the invention relates to an elevator installation with one in an elevator shaft Elevator car movable by a drive unit.
- the elevator system is controllable by a control unit.
- sensors for Condition monitoring of the elevator system provided each about an associated bus node connected to a data bus and with the control unit are connected.
- the invention relates to a Monitoring system for an elevator system, which has several bus nodes includes.
- the bus nodes are via a data bus to a control unit connected, wherein the bus node is assigned in each case a sensor.
- the sensor connected to the associated bus node is for Condition monitoring of the elevator system provided.
- safety contacts are used to control the condition to capture the elevator system.
- Use conventional elevator systems Safety contacts interconnected in series are, wherein at a functional state of the elevator system all Safety contacts are closed, giving a positive status signal the elevator system can be evaluated in a control unit.
- the disadvantage of such an interconnection of the safety contacts that no diagnosis is possible, whether one or more safety contacts are faulty. Consequently, no suitable measures can be taken Control unit for controlling the elevator system are made.
- no identification of the safety contacts possible whereby also further Information about intermediate states or counter readings etc. not can be transmitted.
- WO 03/020627 A1 describes an elevator system in which Detecting means are arranged, which in the case of a disturbance in the range of Shaft doors or cabin doors of a control fault information about the fault type and location of the fault.
- the Control can thus taking into account the type of fault, the position the fault and a state information a situation-dependent trigger safe reaction.
- the detection means for example Power switches, circuit breakers, Hall sensors, etc. include are over Bus system connected to a control unit of the elevator system. Around to adapt this bus system to safety requirements For example, distributed sensors are used, each two or several sensors for mutual control or mutual Support is provided. It is also envisaged that the Detection means are set to a safe state in the event of a fault, so as not to adversely affect the elevator system.
- the detection means are connected via bus nodes to the bus system, the bus nodes improved by built-in redundant design in their safety and thus increase the security of the entire system.
- a disadvantage of such an embodiment of the bus system is that a Bus node can also transmit a faulty message to the controller, although the sensor assigned to this bus node has a faultless or functional condition of the elevator system reports and actually no faulty condition is present.
- the invention is based on the object to the above-mentioned problems eliminate and an elevator system and a monitoring system for a Elevator system with improved reliability and improved Availability to specify.
- This object is in a generic elevator system in Accordance with claim 1 according to the invention solved in that the sensor associated with a bus node supplies a power supply of the Bus node controls.
- the invention is based on the idea that a bus node that is not compatible with a voltage is supplied, no erroneous status message to the Control unit can transmit, so that in a status query no Status message.
- the transmission of flawless can be States, although there is an error prevent.
- the bus node is passive designed so that the state of the bus node from the control unit is available. This leaves the effort to realize the bus node low.
- the bus node is active educated.
- the bus node of the control unit transmits the Condition of the assigned sensor.
- Such active bus nodes are designed more complex, but with the control unit with such active bus nodes are more decentralized and the complexity of the Control unit can be reduced.
- the Control unit in the absence of a status message of a Bus node within a predetermined period of time this bus node with the associated sensor classified as faulty.
- a bus node becomes consequently classified as defective if after a while at a passive bus node no feedback occurs or when an active Bus node of the bus node no status message to the control unit transmitted.
- the control unit is thus able to detect if the Sensor is in a faultless or in a faulty state.
- control unit in dependence on the reported or transmitted states of the bus node suitable Initiates measures for controlling the elevator installation.
- the Diagnosing which sensor has a fault can be an adequate one Measure to be taken to the availability or the Operational safety of the elevator system to improve targeted.
- bus nodes in the transmission of the state an identification to the control unit. This avoids that one Bus node transmits a status message for another bus node, which may be wrong.
- the senor comprises a Contact, which is the power supply of the assigned bus node controls.
- the contact by a power switch or by a Switch be formed.
- the Sensors formed contactless Such sensors detect by For example, magnetic fields have a specific state, so the Power supply of the assigned bus node as a function of a certain state of the contactless sensor are controlled can.
- FIG. 1 shows an elevator installation according to the present invention
- FIG. 2 shows a monitoring system according to the present invention
- Figure 3 is a trained as a switch sensor.
- FIG. 1 shows an elevator installation 10 with an elevator car 12 which is in a lift shaft 15 is moved, shown.
- the elevator car 12 is by a drive unit 14 in the elevator shaft 15 between Floors A, B, and C of a building moves.
- the elevator car 12 has cabin doors 13 and a cab control 19.
- the Sensors 17 on floors A, B and C are each as a power switch trained, which are closed when actuated.
- the control unit 16 controls the elevator system 10 and is for this purpose with the Drive unit 14, the cab control 19 and the data bus 22nd and the bus node 18 with the sensors 17 associated therewith connected.
- the sensors 17 form a so-called safety chain.
- the Control unit 16 may also be a door monitoring unit or simply a Be monitoring unit.
- FIG. 2 shows a monitoring system for controlling the elevator installation 10.
- the monitoring system includes the sensors 17, each on a power supply line Vcc and to the associated ones Bus node 18 are connected.
- the bus nodes 18 are at the Data bus 22 connected and thus connected to the control unit 16.
- the sensors 17 are Particularly simple design, since the sensors 17 each only from the There are power switches which are closed when the shaft doors 11 are closed and thereby the connected bus node 18 with the Power supply line Vcc connects. This gives the bus node 18 the power supply required for operation and can either the state of the sensor 17 independently to the control unit 16 transferred or at the next query the control unit 16 his Transmit condition.
- Elevators are subject known high safety standards. To this Safety standards will be met before a move Elevator car 12 in the elevator shaft 15, the status or state of the Security chain queried.
- the bus node 18 can be active Bus node 18 be designed and therefore independently at before determinable states of the elevator system 10 their state to Control unit 16 send.
- the bus nodes 18 can also be made passive and the state of the bus node 18 and / or the associated sensor 17 by means of a polling method for Control unit 16 transmitted. For this purpose, each bus node 18 becomes one prompted by the control unit 16, his State to convey.
- the control unit 16 takes the states of the sensors to be checked 17, evaluates them and initiates appropriate tax procedures.
- the Elevator car 12, for example, can only be moved if all Sensors 17 closed shaft doors 11 and car doors 13 Show. In the embodiment shown are to preserve the Clarity only the sensors 17 on the shaft doors 11 on the individual floors A, B and C shown.
- the Elevator installation 10 and in particular the safety chain more not shown sensors included. For example, in the top and lowermost floor A and C each limit switch can be arranged, the prevent further travel beyond the floors.
- the car door 13 of the elevator car 12 one or more sensors attached, which indicate the state of the car door 13.
- the voltage supply of the bus node 18 is dependent on the States of the associated sensors 17 controlled. This will achieved that the respective bus node 18 its state or the of the assigned sensor 17 only then transmits to the control unit 16, if the sensor 17 indicates a fault-free state. Indicates a sensor 17 a faulty state, the bus node 18 remains de-energized and can do not report this condition. However, the control unit 16 recognizes anyway, that with this sensor 17 on a certain floor a There is an error because the status message from this sensor 17 is missing. This avoids that the bus node 18 despite a functional state of the sensor 17 a faulty state for Control unit 16 reports.
- the control unit 16 detects the corresponding error in the Safety chain and can take appropriate action.
- the easiest Measure represents an emergency stop the elevator car 12 is. However, it can also a forced drive the elevator car 12 with reduced Speed can be initiated to the ground floor or one Service center can be informed. Furthermore, it is possible to have a Error of the sensor 17 of the safety chain in an error log too register, which is stored in a memory of the control unit 16 is, so that at the next maintenance of the elevator system 10 the errors that have occurred can be remedied or controlled.
- Especially advantageous in this embodiment of the safety chain is the possibility the unique identification of the faulty sensor 17 or Bus node 18.
- the bus node 18 At transmission of a condition of the gauge 17 or of the bus node 18, the bus node 18 also transmits a unique one Identification, so that the control unit 16 recognize the location of the error and take appropriate action. In case of an error to the Cabin doors 13, the control unit 16, for example, try the Cab doors 13 to close again by the cab control 19 instructed to repeatedly open and close the doors.
- Position sensors can also be integrated in the safety chain. with which it is determined whether the elevator car 12 a corresponding permissible position reached in the elevator shaft 15 and the doors 11, 13 can be opened. If such a position sensor Status message is missing, this may be because the elevator car 12 has not yet reached the prescribed exit position.
- the Control unit 16 detects this condition and tries the elevator car 12 to move to a corresponding permissible exit position, at the the position sensors turn on the associated bus nodes 18 so that the status message about the error-free status of the position sensor can be reported to the control unit 16.
- the monitoring system may also include sensors 23 that For example, as a circuit breaker or Hall sensors are formed.
- FIG. 3 shows a sensor 23 which is designed as a circuit breaker and is connected to Operation is opened. In this case, the connection to the Power supply line Vcc with closed shaft doors 11 closed, so that the associated bus node 18 with voltage is supplied and can transmit its state to the control unit 16. If the shaft doors 11 are opened, the power supply interrupted and the bus node 18 can not faulty Issue status message.
- the sensors 17, 23 may also be formed without contact.
- proximity switches can be used on a electronic or magnetic field.
- the Connection to power supply Vcc interrupted when For example, no magnetic field is detected.
- the shaft doors 11 closed is from the opposite shaft door 11 a Detected magnetic field and the power supply line Vcc in the sensor 17 connected to the bus node 18.
- the sensor 17 may also be designed as a Hall sensor. In this case will the power supply Vcc of the bus node 18 electronically in the sensor 17 controlled, in such a way that the bus node 18 remains de-energized, when the sensor 17 detects an unsafe or faulty condition.
- a transmission method on the data bus 22 is also a token ring realizable.
- Token Ring method a (virtual) ring of a bus node 18 passed on to the next.
- the single ones Bus nodes 18 send their status message upon receipt of the ring and then pass this on to the next bus node 18. Is the ring back at the control unit 16, the control unit 16 recognizes that all bus node 18 have issued their status message.
- a similar Procedure provides that the control unit 16 monitors whether it is from all Bus node 18 a status message within a predefined Time span of, for example, 5 ms receives.
- data bus medium conventional copper wires, but also wireless radio links, optical fibers or others, for Communication suitable media can be used.
- the design of the elevator installation 10 ensures a Safety chain designed so that there is no incorrect transmission of the existing state of the sensor 17 by the bus node 18 occur can.
- the bus node 18 used a Identification of the error location possible. It can be prevented that one Bus node 18 falsely indicates a dangerous or faulty one State not recognized or not transmitted. With the identification of Bus node 18 is guaranteed not to have another bus node 18 under incorrect address undetected a status message to the control unit 16 can settle. It can be ruled out that, for example, the Bus node 18 on floor B in the name of the bus node node 18 Floor A reports that bus node 18 on floor A is faultless, because bus node 18 on floor A due to an open contact no Has more electricity and can not answer.
Abstract
Description
Claims (17)
- Aufzugsanlage mit einer in einem Aufzugsschacht (15) von einer Antriebseinheit (14) bewegbaren Aufzugskabine (12), wobei die Aufzuganlage (10) von einer Steuereinheit (16) steuerbar ist und Sensoren (17, 23) zur Zustandsüberwachung der Aufzugsanlage (10) vorgesehen sind und wobei die Sensoren (17, 23) jeweils über einen zugeordneten Busknoten (18) an einen Datenbus (22) angeschlossen und mit der Steuereinheit (16) verbunden sind, dadurch gekennzeichnet, dass der Sensor (17, 23) eine Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) steuert.
- Aufzugsanlage nach Anspruch 1, dadurch gekennzeichnet, dass bei einem Zustand des Sensors (17, 23), der einen fehlerhaften Zustand der Aufzugsanlage (10) charakterisiert, die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) ausgeschaltet ist.
- Aufzugsanlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Busknoten (18) passiv ausgebildet ist, wobei der Zustand des dem Busknoten (18) zugeordneten Sensors (17) von der Steuereinheit (16) abrufbar ist.
- Aufzugsanlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Busknoten (18) aktiv ausgebildet ist, wobei der Busknoten (18) den Zustand des zugeordneten Sensors (17) der Steuereinheit (16) übermittelt.
- Aufzugsanlage nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Busknoten (18) bei Ausbleiben einer Zustandsmeldung in der Steuereinheit (16) innerhalb einer vorbestimmten Zeitspanne als fehlerhaft eingestuft wird.
- Aufzugsanlage nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Steuereinheit (16) in Abhängigkeit von den Zuständen der Busknoten (16) geeignete Maßnahmen zur Steuerung der Aufzugsanlage (10) einleitet.
- Aufzugsanlage nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sich der Busknoten (18) bei der Übermittlung eines Zustandes bei der Steuereinheit (16) identifiziert.
- Aufzugsanlage nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Sensor (17, 23) einen Kontakt umfasst, der die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) steuert.
- Aufzugsanlage nach Anspruch 8, dadurch gekennzeichnet, dass ein fehlerhafter Zustand der Aufzugsanlage (10) bei einem geschlossenen oder geöffneten Kontakt des Sensors (17, 23) vorliegt.
- Aufzugsanlage nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Sensor (17) kontaktlos ausgebildet ist und die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) über den Zustand des kontaktlosen Sensors (17) steuerbar ist.
- Überwachungssystem für eine Aufzugsanlage (10), das mehrere Busknoten (18) umfasst, wobei die Busknoten (18) über einen Datenbus (22) an eine Steuereinheit (16) angeschlossen sind und wobei den Busknoten jeweils ein zur Zustandsüberwachung der Aufzugsanlage (10) vorgesehener Sensor (17, 23) zugeordnet ist, der mit dem zugeordneten Busknoten (18) verbunden ist, dadurch gekennzeichnet, dass der Sensor (17, 23) eine Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) steuert.
- Überwachungssystem nach Anspruch 11, dadurch gekennzeichnet, dass der Busknoten (18) passiv ausgebildet ist und der Zustand des Busknotens (18) und/oder des zugeordneten Sensors (17, 23) von der Steuereinheit (16) abrufbar ist oder dass der Busknoten (18) aktiv ausgebildet ist, wobei der Busknoten (18) den Zustand des Busknotens (18) und/oder des zugeordneten Sensors (17, 23) der Steuereinheit (16) übermittelt.
- Überwachungssystem nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass der Busknoten (18) bei Ausbleiben einer Zustandsmeldung in der Steuereinheit (16) innerhalb einer vorbestimmten Zeitspanne als fehlerhaft eingestuft wird.
- Überwachungssystem nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass sich der Busknoten (18) bei der Zustandsübermittlung bei der Steuereinheit (16) identifiziert.
- Überwachungssystem nach einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass der Sensor (17, 23) einen Kontakt umfasst, der die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) steuert, wobei ein fehlerhafter Zustand der Aufzugsanlage (10) bei einem geschlossenen oder geöffneten Kontakt des Sensors (17, 23) vorliegt.
- Überwachungssystem nach einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass der Sensor (17) kontaktlos ausgebildet ist und die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) über den Zustand des kontaktlosen Sensors (17) steuerbar ist.
- Überwachungssystem nach einem der Ansprüche 11 bis 16, dadurch gekennzeichnet, dass bei einem Zustand des Sensors (17, 23), der einen fehlerhaften Zustand charakterisiert, die Spannungsversorgung (Vcc) des zugeordneten Busknotens (18) ausgeschaltet wird.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04105562A EP1547954B1 (de) | 2003-11-11 | 2004-11-05 | Aufzugsanlage und Überwachungssystem |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405804 | 2003-11-11 | ||
EP03405804 | 2003-11-11 | ||
EP04105562A EP1547954B1 (de) | 2003-11-11 | 2004-11-05 | Aufzugsanlage und Überwachungssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1547954A1 true EP1547954A1 (de) | 2005-06-29 |
EP1547954B1 EP1547954B1 (de) | 2007-02-28 |
Family
ID=34530861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04105562A Not-in-force EP1547954B1 (de) | 2003-11-11 | 2004-11-05 | Aufzugsanlage und Überwachungssystem |
Country Status (10)
Country | Link |
---|---|
US (1) | US7325657B2 (de) |
EP (1) | EP1547954B1 (de) |
JP (1) | JP4699004B2 (de) |
CN (1) | CN100357167C (de) |
AT (1) | ATE355249T1 (de) |
CA (1) | CA2487470C (de) |
DE (1) | DE502004003027D1 (de) |
HK (1) | HK1079752A1 (de) |
MY (1) | MY137863A (de) |
SG (1) | SG112018A1 (de) |
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EP1490284B1 (de) * | 2002-03-27 | 2007-05-23 | Inventio Ag | Schachtüberwachungssystem für aufzug |
FI118466B (fi) * | 2005-04-08 | 2007-11-30 | Kone Corp | Kunnonvalvontajärjestelmä |
DE102006013578B4 (de) * | 2006-03-22 | 2008-03-27 | Phoenix Contact Gmbh & Co. Kg | Verfahren und Steuer- und Datenübertragungsanlage zum Überprüfen des Einbauortes eines sicheren Kommunikationsteilnehmers |
FI20070486A (fi) | 2007-01-03 | 2008-07-04 | Kone Corp | Hissin turvajärjestely |
FI120088B (fi) | 2007-03-01 | 2009-06-30 | Kone Corp | Järjestely ja menetelmä turvapiirin valvomiseksi |
DE102009037347A1 (de) * | 2009-08-14 | 2011-02-17 | K.A. Schmersal Holding Gmbh & Co. Kg | Elektronisches Sicherheitssystem für einen Aufzug |
US8447433B2 (en) * | 2009-09-21 | 2013-05-21 | The Peele Company Ltd. | Elevator door wireless controller |
JP5557955B2 (ja) * | 2010-06-02 | 2014-07-23 | オーチス エレベータ カンパニー | スイッチ検知システム |
FI122474B (fi) * | 2010-12-01 | 2012-02-15 | Kone Corp | Hissin turvakytkentä sekä menetelmä hissin turvakytkennän toiminnallisen poikkeaman tunnistamiseksi |
CN103596866B (zh) * | 2011-03-21 | 2016-03-16 | 因温特奥股份公司 | 具有能够在服务模式下行驶的轿厢的电梯 |
US10227208B2 (en) * | 2011-12-12 | 2019-03-12 | Cedes Ag | Safety apparatus for an elevator |
FI123507B (fi) | 2012-08-07 | 2013-06-14 | Kone Corp | Turvapiiri sekä hissijärjestelmä |
FI126734B (fi) * | 2014-08-11 | 2017-04-28 | Kone Corp | Paikannuslaitteisto, hissi sekä menetelmä hissikorin paikan määrittämiseksi |
DE102014017486A1 (de) | 2014-11-27 | 2016-06-02 | Thyssenkrupp Ag | Aufzuganlage mit einer Mehrzahl von Fahrkörben sowie einem dezentralen Sicherheitssystem |
WO2016096269A1 (de) * | 2014-12-17 | 2016-06-23 | Inventio Ag | Sicherheitsschaltung für eine aufzugsanlage |
CN107207189A (zh) * | 2015-01-20 | 2017-09-26 | 奥的斯电梯公司 | 电梯系统 |
EP3393954B1 (de) * | 2015-12-21 | 2020-02-05 | Inventio AG | Überwachungsvorrichtung für eine personentransportanlage, prüfverfahren und personentransportanlage |
US11919746B2 (en) | 2016-05-04 | 2024-03-05 | Inventio Ag | Passenger transport system having central control unit and multiple field devices having an optimized failure detection method |
CN110475736B (zh) | 2017-03-28 | 2021-11-05 | 因温特奥股份公司 | 用于人员运送设备的传感器网络 |
EP3398901B1 (de) * | 2017-05-03 | 2023-02-22 | KONE Corporation | Verfahren zur einsetzung eines steuergeräts zu einem aufzugssystem |
EP3492419B1 (de) | 2017-12-01 | 2020-06-10 | Otis Elevator Company | Sicherheitssystem für einen aufzug, aufzugsystem und verfahren zum betrieb eines aufzugsystems |
WO2020056701A1 (en) * | 2018-09-21 | 2020-03-26 | G-Technologies Co., Ltd. | First safety control unit, a method to operate the first safety control unit, a second safety control unit, a method to operate the second control unit, and an elevator system |
WO2023152900A1 (ja) * | 2022-02-10 | 2023-08-17 | 三菱電機株式会社 | 無線式センサおよび昇降機情報収集システム |
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2004
- 2004-10-20 SG SG200406195A patent/SG112018A1/en unknown
- 2004-10-28 JP JP2004313418A patent/JP4699004B2/ja not_active Expired - Fee Related
- 2004-11-04 US US10/981,171 patent/US7325657B2/en active Active
- 2004-11-05 DE DE502004003027T patent/DE502004003027D1/de active Active
- 2004-11-05 EP EP04105562A patent/EP1547954B1/de not_active Not-in-force
- 2004-11-05 AT AT04105562T patent/ATE355249T1/de active
- 2004-11-06 MY MYPI20044620A patent/MY137863A/en unknown
- 2004-11-09 CA CA2487470A patent/CA2487470C/en not_active Expired - Fee Related
- 2004-11-10 CN CNB2004100929029A patent/CN100357167C/zh not_active Expired - Fee Related
-
2005
- 2005-12-21 HK HK05111789A patent/HK1079752A1/xx not_active IP Right Cessation
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Publication number | Publication date |
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JP4699004B2 (ja) | 2011-06-08 |
US7325657B2 (en) | 2008-02-05 |
ATE355249T1 (de) | 2006-03-15 |
CA2487470A1 (en) | 2005-05-11 |
HK1079752A1 (en) | 2006-04-13 |
CA2487470C (en) | 2012-05-01 |
MY137863A (en) | 2009-03-31 |
JP2005162482A (ja) | 2005-06-23 |
CN1616335A (zh) | 2005-05-18 |
DE502004003027D1 (de) | 2007-04-12 |
US20050098390A1 (en) | 2005-05-12 |
EP1547954B1 (de) | 2007-02-28 |
SG112018A1 (en) | 2005-06-29 |
CN100357167C (zh) | 2007-12-26 |
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