EP1970520B1 - Closure element with a device for controlling the movement of the closure element - Google Patents
Closure element with a device for controlling the movement of the closure element Download PDFInfo
- Publication number
- EP1970520B1 EP1970520B1 EP08004337.5A EP08004337A EP1970520B1 EP 1970520 B1 EP1970520 B1 EP 1970520B1 EP 08004337 A EP08004337 A EP 08004337A EP 1970520 B1 EP1970520 B1 EP 1970520B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wing
- electronic accelerometer
- moving
- closing element
- closure element
- 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.)
- Revoked
Links
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/20—Suspension arrangements for wings for wings sliding vertically more or less in their own plane movable out of one plane into a second parallel plane
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
- E05D15/44—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides
- E05D15/445—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides specially adapted for overhead wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/32—Position control, detection or monitoring
- E05Y2400/322—Position control, detection or monitoring by using absolute position sensors
- E05Y2400/326—Position control, detection or monitoring by using absolute position sensors of the angular type
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/32—Position control, detection or monitoring
- E05Y2400/35—Position control, detection or monitoring related to specific positions
- E05Y2400/354—End positions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/40—Mounting location; Visibility of the elements
- E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
Definitions
- Improved automation provides for the use, possibly combined with said limit stops, of special encoders related to the number of revs the motor makes for the movement.
- limit stops and/or encoders also have the general drawback of their possible failure; in particular, the limit stops can shift without the control system recognising this change of position.
- the aim of this patent is to overcome the above-mentioned drawbacks, and this is done according to claim 1 with the use of an electronic accelerometer that is readily available on the market, though used for different purposes.
- Said accelerometer provides continuous analogue and digital signals on the basis of the angular position of said element that incorporates the electrical components that render it an electronic accelerometer.
- the body in movement is an up and over door. Fixing said element solidly to the up and over door, the various rototranlsational positions assumed by the door wing cause corresponding variation in the angular position of said wing.
- the advantage of this device is that it can be physically integrated into the electronics for controlling the movement when it is fixed to the door wing.
- the signals emitted by the accelerometer that identify accurately each angular position allow the precise position of the wing to be known.
- the signals emitted by the electronic accelerometer appropriately transduced corresponding to each of its angular positions, to the other movement parameters, become an integral part of the automated control, so for example the speed of the moving element can be controlled, especially at the ends of its course (excluding the classic limit stops) without any slamming.
- the electronic accelerometer employed can be a more simple linear type, where the signals emitted (voltage) refer to two x and y Cartesian axes, and whose size for each angular position are equalised to the values regarding the trigonometric sine and cosine.
- the element incorporating the accelerometer it is more practical to put it on the surface of the door wing itself, so that the x axis is parallel to said surface.
- the signals emitted by the electronic accelerometer are relative to its angular position in an absolute manner, they remain so until the power is reconnected whenever there is any interruption in the supply of the above-mentioned current.
- the electronic accelerometer With the use of the electronic accelerometer it is possible to know all the positions of the wing from its initial completely closed position (vertical) to a completely open position (horizontal) and vice versa, and this is because the electronic accelerometer emits signals for the entire field for its angular variations that range from 0 to 90 degrees, with its operations related to the cosine (1-0).
- Another advantage connected to the use of the electronic accelerometer consists of the characteristics that still today such devices have in terms of operating temperature and dynamic response.
- the position signal obtained by the device can be used for the complete control of the movement, speed, slowing down, etc., carrying out all the functions presently done by an encoder and limit stops.
- Element 3 is installed in such a way that when the wing 1 is closed the x axis is parallel to the vertical position of the wing.
- the signals emitted by the electronic accelerometer relative to the x axis is determined according to the projection that the inertial part 4 (symbolically represented with a part of the rod like a pendulum), with respect to gravity "g", effectuates on the x axis during the variation of the angular position assumed by element 3. Because element 3 is solidly connected to the wing 1, each signal emitted by the electronic accelerometer corresponding to each of its angular positions, identifies in an absolute manner the position assumed by wing 1 during its movement.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Vending Machines For Individual Products (AREA)
- Feeding And Guiding Record Carriers (AREA)
- Control Of Position Or Direction (AREA)
Description
- It is well-known that in the field of the automated movement of closure elements that the mobile parts of said elements have to be controlled during their course and in particular at the ends of said course.
- Examples of said automated movement of closure elements are showed in
US2005/253710 and inUS2005/168010 . - Currently the simplest control devices provide only limit stops at the end-of-travel points of the moving element.
- Improved automation provides for the use, possibly combined with said limit stops, of special encoders related to the number of revs the motor makes for the movement.
- There are also other control devices whose control signal is nevertheless still related to and/or a function of the revolutions of the motor.
- Currently, therefore, existing control devices cannot directly recognise the position of the element during its course, especially when there is a lack of power - often where there is no battery back up - or following the disengagement of the automation with or without successive manual moving.
- There area many drawbacks in the cases mentioned above: the above-mentioned control devices cannot recognise the position of the element when moving, and as a result control of the movement is inapt since it lacks references, in this case at the ends of its course, that might slow its speed down when nearing the limit stop.
- In the event there is no power, the practice usually adopted now means you have to carry out uncontrolled reinstatement movements, difficult to do in compliance with current safety norms and in any event dangerous for the user (unless properly advised of the danger of such a situation).
- On the other hand, in the event of a manual unblocking of the automation there are currently no solutions other than telling the user to wait for the cycles to reset.
- The use of limit stops and/or encoders also have the general drawback of their possible failure; in particular, the limit stops can shift without the control system recognising this change of position.
- Another drawback, in addition to possible damage to the encoder, is the high cost of installation with the drilling of the casings where the spindle comes out, the high cost of the cabling for the electrical connections coming out of said encoder.
- The aim of this patent is to overcome the above-mentioned drawbacks, and this is done according to claim 1 with the use of an electronic accelerometer that is readily available on the market, though used for different purposes.
- Said accelerometer provides continuous analogue and digital signals on the basis of the angular position of said element that incorporates the electrical components that render it an electronic accelerometer. According to claim 1, the body in movement is an up and over door. Fixing said element solidly to the up and over door, the various rototranlsational positions assumed by the door wing cause corresponding variation in the angular position of said wing.
- The advantage of this device is that it can be physically integrated into the electronics for controlling the movement when it is fixed to the door wing.
- The signals emitted by the accelerometer that identify accurately each angular position allow the precise position of the wing to be known.
- The signals emitted by the electronic accelerometer appropriately transduced corresponding to each of its angular positions, to the other movement parameters, become an integral part of the automated control, so for example the speed of the moving element can be controlled, especially at the ends of its course (excluding the classic limit stops) without any slamming.
- The electronic accelerometer employed can be a more simple linear type, where the signals emitted (voltage) refer to two x and y Cartesian axes, and whose size for each angular position are equalised to the values regarding the trigonometric sine and cosine.
- In the case here of an up and over door, the element incorporating the accelerometer, it is more practical to put it on the surface of the door wing itself, so that the x axis is parallel to said surface. In said conditions the x axis, with the door wing closed, coincides with the vertical, and the signal emitted has the maximum value because it is related to the cosine.
- Since the variability of the signal emitted for the x axis is proportional to the trigonometric sine of the angle between the position of the wing and the fixed part, it can be advantageous to use a fixing that keeps an inclination between the plane of the accelerometer and that of the wing: for reasons of simplicity, reference will be made to the positioning represented in the drawings in the attached plates.
- Because the signals emitted by the electronic accelerometer are relative to its angular position in an absolute manner, they remain so until the power is reconnected whenever there is any interruption in the supply of the above-mentioned current.
- With the use of the electronic accelerometer it is possible to know all the positions of the wing from its initial completely closed position (vertical) to a completely open position (horizontal) and vice versa, and this is because the electronic accelerometer emits signals for the entire field for its angular variations that range from 0 to 90 degrees, with its operations related to the cosine (1-0).
- As said previously, when there is no voltage or after the automation has been disengaged, in whatever position the wing finds itself, when the power comes back on and the automation is re-engaged, because the signal emitted by the electronic accelerometer for each angular position is transduced taking into account the other movement parameters, like the current absorbed by the motors, automation restarts from the position from where it was interrupted as if there had not been any power outage or restarts from the position where the wing was positioned with manual movement, as if there had been no disengagement of the automation (and therefore no interruption in the power supply).
- Another advantage connected to the use of the electronic accelerometer consists of the characteristics that still today such devices have in terms of operating temperature and dynamic response.
- We should remember that what has been said for the wing of an up and over door, which rotates by moving along the guiderails of the fixed frame, is equally valid for barred shutters that are subject only to rotation (both in the vertical as well as in the horizontal), and for any other element whose movement is dependent on, even indirectly, a rotational component.
- It should also be noted that the position signal obtained by the device can be used for the complete control of the movement, speed, slowing down, etc., carrying out all the functions presently done by an encoder and limit stops.
- What has been described is clarified by examining the attached drawings.
-
Fig. 1 represents schematically the wing of an up and over door seen in profile in a closed position with an element applied, comprising the electronic structure regarding an accelerometer that can emit signals as a function of its angular position. -
Fig. 1' shows the element relative to the electronic accelerometer fixed solidly to the wing, highlighting the signal unit as a projection of the component that experiences gravity g on the reference axis. -
Fig. 2 is a representation corresponding toFig. 1 where the wing of the up and over door is in an intermediate position between the closed and open position and establishes an angle with respect to the vertical (different to the value of 0 degrees) which is the same angle established by the element attached to it containing the electronic accelerometer. -
Fig. 2' also now outlines the element relative to the electronic accelerometer fixed solidly to the wing, showing that the projection of the component that experiences gravity g on the reference axis has changed (in diminution) compared toFig. 1' . -
Fig. 3 is a representation corresponding toFig. 1 where the wing of the up and over door is almost in an open horizontal position and it establishes an angle with respect to the vertical (about 90 degrees), which is the same angle established by the element that has the electronic accelerometer fixed to it. -
Fig. 3' also here outlines the element relative to the electronic accelerometer fixed solidly to the wing, showing that the projection of the component that experiences gravity g on the reference axis has changed (towards 0) compared toFig. 1' . - According to the drawings shown in the diagrams it is applied to the wing 1 of an up and over door, which rotates using its
pivots 2 along the guiderails in the fixed frame, identified in the diagram with its vertical K-K plane, theelement 3 that incorporates the electronic accelerometer with the two axes x and y. -
Element 3 is installed in such a way that when the wing 1 is closed the x axis is parallel to the vertical position of the wing. - The signals emitted by the electronic accelerometer relative to the x axis is determined according to the projection that the inertial part 4 (symbolically represented with a part of the rod like a pendulum), with respect to gravity "g", effectuates on the x axis during the variation of the angular position assumed by
element 3. Becauseelement 3 is solidly connected to the wing 1, each signal emitted by the electronic accelerometer corresponding to each of its angular positions, identifies in an absolute manner the position assumed by wing 1 during its movement. - In the case of the representations of the various diagrams, because the projections of the inertial part 4 are on the x axis, corresponding to the trigonometric cosine, the value of the signal with the wing 1 closed (vertical) will be 1 and with the wing open (horizontal) it will be 0.
- Following what has just been described, we can understand the enormous importance of the invention in this patent, which revolutionises the current method for sensing the positions assumed by the moveable part of an automated frame during its movements (in this case the tilting wing of a door), in that the electronic accelerometer, which has been made to be dependent on the movements of the movable part, emits signals corresponding to its various angular positions that are directly related to the angular positions (and therefore to the positions assumed) of said wing of the up and over door.
Claims (6)
- A closure element equipped with a moving closing element whose spatial movement includes a rotation, composed of an up-and-over door and solidly fixed to the wing of the up-and-over door is an electronic accelerometer (3, 4), whose signals identify in an absolute manner each angular position of the door wing allowing the precise position of the wing to be identified when moving, characterised by the fact that the closure element is composed of an up-and over door with a motor to move the wing and of a device for controlling the movement of the wing comprising the electronic accelerometer (3, 4), wherein the electronic accelerometer (3, 4) finds the starting and stopping positions of the closing element (1), carrying out the function of usual limit stops.
- A closure element equipped with a moving closing element whose spatial movement includes a rotation according to claim 1, characterised by the fact that the signal of the electronic accelerometer (3, 4) is independent of the values of the currents absorbed by the motor when moving the moving closing element (1).
- A closure element equipped with a moving closing element whose spatial movement includes a rotation according to one or more of the previous claims, characterised by the fact that the electronic accelerometer (3, 4) is an electronic accelerometer with a linear gravimetric inertial sensor (4), with at least one axis (x, y) that emits analogical and/or digital signals.
- A closure element equipped with a moving closing element whose spatial movement includes a rotation according to one or more of the previous claims, characterised by the fact that said electronic accelerometer (3, 4) is fixed solidly to the door wing (1), with a consequent correspondence of the angular positions assumed by the element (3) incorporating the electronic accelerometer (4) and the positions assumed by the wing (1) during its entire movement including the end zones.
- A closure element equipped with a moving closing element whose spatial movement includes a rotation according to one or more of the previous claims, characterised by the fact that said electronic accelerometer (3, 4) gives the exact position of the moving closing element (1) whatever the situation was before the indications of its signals is, in particular in starting the movement again after manual interruption or an interruption due to a lack of power for moving system the closing element (1).
- A closure element equipped with a moving closing element whose spatial movement includes a rotation according to one or more of the previous claims, characterised by the fact that the electronic accelerometer (3, 4) is positioned so that the x axis is not parallel to the position of the wing in way that it emits signals with the highest values when the positions assumed by the wing are the most important.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPD20070092 ITPD20070092A1 (en) | 2007-03-15 | 2007-03-15 | DEVICE FOR THE CONTROL OF THE MOVEMENT OF CLOSING ELEMENT. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1970520A2 EP1970520A2 (en) | 2008-09-17 |
EP1970520A3 EP1970520A3 (en) | 2013-11-20 |
EP1970520B1 true EP1970520B1 (en) | 2018-05-30 |
Family
ID=39493146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08004337.5A Revoked EP1970520B1 (en) | 2007-03-15 | 2008-03-10 | Closure element with a device for controlling the movement of the closure element |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1970520B1 (en) |
ES (1) | ES2684484T3 (en) |
IT (1) | ITPD20070092A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10774574B2 (en) | 2018-03-26 | 2020-09-15 | Honda Motor Co., Ltd. | Operation of vehicle power doors |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402105A (en) | 1992-06-08 | 1995-03-28 | Mapa Corporation | Garage door position indicating system |
US5915278A (en) | 1995-02-27 | 1999-06-22 | Mallick; Brian C. | System for the measurement of rotation and translation for modal analysis |
US6046562A (en) | 1998-07-03 | 2000-04-04 | Emil; Blaine R. | Security system for automatic door |
US6346889B1 (en) | 2000-07-01 | 2002-02-12 | Richard D. Moss | Security system for automatic door |
US20030071739A1 (en) | 2001-10-16 | 2003-04-17 | Addy Kenneth L. | Method and apparatus for detection of motion with a gravitational field detector in a security system |
US20040113778A1 (en) | 1996-05-30 | 2004-06-17 | Script Michael H. | Portable motion detector and alarm system and method |
US20050168010A1 (en) | 2001-04-26 | 2005-08-04 | Litens Automotive | Powered opening mechanism and control system |
US20050253710A1 (en) | 2004-05-11 | 2005-11-17 | Honeywell International, Inc. | MEMS based garage door sensor |
EP1650389A1 (en) | 2004-10-20 | 2006-04-26 | Ennio Di Saverio | A device for driving the movement of a swing gate with relative position control |
-
2007
- 2007-03-15 IT ITPD20070092 patent/ITPD20070092A1/en unknown
-
2008
- 2008-03-10 ES ES08004337.5T patent/ES2684484T3/en active Active
- 2008-03-10 EP EP08004337.5A patent/EP1970520B1/en not_active Revoked
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402105A (en) | 1992-06-08 | 1995-03-28 | Mapa Corporation | Garage door position indicating system |
US5915278A (en) | 1995-02-27 | 1999-06-22 | Mallick; Brian C. | System for the measurement of rotation and translation for modal analysis |
US20040113778A1 (en) | 1996-05-30 | 2004-06-17 | Script Michael H. | Portable motion detector and alarm system and method |
US6046562A (en) | 1998-07-03 | 2000-04-04 | Emil; Blaine R. | Security system for automatic door |
US6346889B1 (en) | 2000-07-01 | 2002-02-12 | Richard D. Moss | Security system for automatic door |
US20050168010A1 (en) | 2001-04-26 | 2005-08-04 | Litens Automotive | Powered opening mechanism and control system |
US20030071739A1 (en) | 2001-10-16 | 2003-04-17 | Addy Kenneth L. | Method and apparatus for detection of motion with a gravitational field detector in a security system |
US20050253710A1 (en) | 2004-05-11 | 2005-11-17 | Honeywell International, Inc. | MEMS based garage door sensor |
EP1650389A1 (en) | 2004-10-20 | 2006-04-26 | Ennio Di Saverio | A device for driving the movement of a swing gate with relative position control |
Also Published As
Publication number | Publication date |
---|---|
ITPD20070092A1 (en) | 2008-09-16 |
ES2684484T3 (en) | 2018-10-03 |
EP1970520A3 (en) | 2013-11-20 |
EP1970520A2 (en) | 2008-09-17 |
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