EP1355332A2 - Elektrische Kontaktierungseinrichtung und zugehörige Tastatur - Google Patents
Elektrische Kontaktierungseinrichtung und zugehörige Tastatur Download PDFInfo
- Publication number
- EP1355332A2 EP1355332A2 EP03006495A EP03006495A EP1355332A2 EP 1355332 A2 EP1355332 A2 EP 1355332A2 EP 03006495 A EP03006495 A EP 03006495A EP 03006495 A EP03006495 A EP 03006495A EP 1355332 A2 EP1355332 A2 EP 1355332A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- contacting device
- electrical contacting
- contact
- contact points
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/7006—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard comprising a separate movable contact element for each switch site, all other elements being integrated in layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/034—Separate snap action
- H01H2215/042—Permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/04—Return force magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2225/00—Switch site location
- H01H2225/006—Switch site location more then one pole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2225/00—Switch site location
- H01H2225/008—Two different sites for one circuit, e.g. for safety
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/01—Miscellaneous combined with other elements on the same substrate
Definitions
- the invention relates to an electrical contacting device with electrical contact points on one movable, essentially plate-shaped carrier and with these opposite fixed contacts, which after a Switching movement of the carrier contact the contact points.
- the invention further relates to a keyboard such a contacting device.
- Such a contacting device is usually used for electronic devices, for switching devices and in particular Command devices used.
- electronic Devices such as programmable logic controllers in the Automation industry are next to well-known voluminous mechanical control devices with large actuation paths
- voluminous mechanical control devices with large actuation paths
- Variety of compact flat short-stroke keys and keypads has been developed. The latter belong to the family of Short-stroke keys and membrane keyboards are very compact.
- the known contacting devices usually have a jump switching behavior and electronic contact.
- the jump switching behavior is often determined by a e.g. Metallic, snap element realized that under pressure abruptly changes its shape, and thereby the switch contact closes. When the pressure drops, it jumps Snap element back to its rest position, causing the switch contact is opened again.
- This mechanical effect is known from a "crack frog".
- the strict requirements for safe operation in harsh industrial applications cannot fulfill these keys. Such may safe switches do not wear out during operation fail, or a failure must by the secure electronic Control can be recognized. Also the electrical path be sure to control. Depending on the security category this can be achieved through sufficient wear and failure-free Push button in connection with at least two-pole simultaneous galvanically isolated switching.
- the published here 1 includes a substrate 2 with a Pair of spaced fixed switch contacts 3, the can be bridged by an electrically conductive armature 4 should.
- the armature 4 has a central axis with the first and second raised contact areas on both sides the axis.
- the anchor 4 is in the non-actuated state held by the attraction of a magnetic layer 5 and spaced from the switching contacts 3.
- Between the magnetic layer 5 and the substrate 2 is an insulating spacer layer 6 with an opening 7, in the area of which the armature 4 is included.
- the one as an electrically conductive metal disc trained armature 4 is by an actuating force for contacting movable with the switch contacts 3.
- the positioning of the necessary electronic components usually takes place in addition to the short-stroke key on the existing one PCB, but this takes up extra space and in the case of Internal lighting of such an element awkward Light guides required. Here is the illumination can only be reached selectively or very unevenly.
- a membrane keyboard is known from DE 100 40 151 C1, at the frequently used button in a "click frog technology” are executed, i.e. a mediated by a snap element Show snap switching behavior.
- the front film is the Keyboard in the area of the keypad to form a “Switching bubble” bulged outwards.
- the inner surface of the Front foil is in the area of the switching bladder, mostly printed, provided contact surface, which in the rest position with Distance faces one or more fixed contacts. to The front film is actuated in the area of the switching bladder pressed.
- the switching bubble is "dented", so to speak, the contact surface against the one or more fixed contacts pressed, and the switch contact is thus closed.
- the actuation pressure is reduced, the front film returns their bubble-like starting position back, the switch contact is opened again.
- the well-known keyboard is through the use of the simple but wear-resistant manufacture bubble-like buttons inexpensively, wherein premature wear of the frequently used buttons the use there of the more complex but more durable Snap element button is avoided. For safety-related Switching is not the known keyboard suitable.
- the invention has for its object an electrical Contacting device of the type mentioned above create that with simple structure and cost-effective execution avoids the disadvantages mentioned above. Furthermore should a particularly suitable keyboard with such a contacting device can be specified.
- the object is achieved according to the invention solved by the features of claim 1. Thereafter the contact points are so isolated from each other are different from each other and / or from the wearer Enable potential.
- the keyboard the Object achieved by the features of the claim 12.
- a first keypad an inventive contacting device assigned.
- at least one second keypad a button in the form of a short-stroke switching element assigned, which is designed like a switching bubble or a snap switching behavior mediated by a snap element having.
- the first keypad or the first keypads for safety-related Switching operations provided while the second keypad or the second keypad for non-safety-related ones Switching operations are determined.
- keypad is a on the user interface understood the tactile area marked on the keyboard, each of which has an underlying button or a contacting device assigned. A pressurization the user interface in the area of a keypad to actuate the corresponding button or corresponding contacting device.
- the present electrical contacting device according to the invention e.g. from a basic structure, as in 1 is shown.
- This basic structure is extremely compact and guarantees a high level of wear and reliability.
- the movable plate-shaped designated as an anchor in FIG According to the invention, there are carriers according to FIGS 22 very different configurations.
- the carrier 10 is provided with mutually insulated contact points 11, 21, that these differ from one another and / or from the carrier 10 Enable potential.
- the carrier 10 is e.g. as soft magnetic and electrical conductive metal plate on which a partial or full-surface electrical insulation layer 12 applied is.
- the insulating layer 12 can be applied by varnish, Foil application, insulating surface treatment or The corresponding can be realized.
- the insulating layer 12 is as required on the top, bottom or both sides applied.
- the conductive layers are on this insulating layer 12 Contact points 11, 21 and / or conductor tracks 20 applied, the different from each other and / or to the carrier 10 enable electrical potential.
- the carrier 10 shown in Figures 2, 3, 4 has soft magnetic Properties, is electrically conductive and on its top with two contact points 11 executed serve as contact bridges for break contacts.
- the two contact points 11 are shown in FIG 2 by an intermediate Decoupling slot 13 for tolerance compensation against each other mechanically decoupled so that despite inevitable Manufacturing tolerances when operating a good contact pad is guaranteed on the opposite fixed contacts.
- the one contact point 11 on one side of the Decoupling slot 13 is through the electrically conductive Carrier 10 itself formed.
- the contact point 11 on the other side of the decoupling slot 13 is on the Insulating layer 12 applied to the carrier 10. this will by the corresponding sectional diagrams in FIGS. 3 and 4 clarified.
- the carrier 10 has a raised pressure area 14 on.
- the carrier 10 is on its one Magnetic layer 16 (see FIG. 5) is the first area to break away provided with a counter bearing 15 around which the carrier 10 is pivoted on further actuation.
- the print area 14 for mechanical actuation is in the vicinity of the counter bearing 15 inside the triangle.
- an embodiment of the carrier 10 is with two contact points designed as make contacts 11 shown, which in contrast to the embodiment according to FIG 2, 3, 4 arranged on the same side as the counter bearing are. Otherwise, the structure corresponds in detail to that of the previous one described carrier 10 with the opener contacts 11th 2, 3, 4.
- the switching phases in one with the carrier 10 with normally open contacts 11 switches are in the FIG 11, 12, 13 shown.
- the carrier is at rest here 10 held on a magnetic layer 16 via its upper side. This is spaced apart by the spacer layer 18 opposite the floor support 17, which with a substrate Fixed contacts is provided.
- 16, 17, 18 are the switching phases for a switch shown with such a carrier 10, the principle correspond to those of the previously described embodiments and therefore need no further explanation at this point.
- a circuit carrier of the electronic components in SMD design, chip design or Can hold a keystroke.
- the power supply or electrical coupling of the electronic circuit is over raised contact points realized.
- a sensible expression such a circuit is shown in FIG 19, 20, where the operating surface of the contact module with a light-emitting diode circuit is illuminated. Integration can also make sense of an electronic touch sensor, which the Touching the button regardless of the electrical contacts detected.
- a carrier 10 which is a circuit, e.g. in multi-layer design (multi-layer technology) wearing.
- the carrier 10 has on its top and Underside of an insulating layer 12.
- an electrical circuit applied On the top 19 is an electrical circuit applied.
- this comprises a as Contact bridge 11 made contact point, electrical components 19, e.g. a bonded chip and resistance pressure, Contact points 21 for the electrical supply of the components 19 and interconnects 20 connecting them.
- FIG 21 shows a cross-sectional illustration of the carrier 10 according to FIG 19, 20 with its top and bottom insulation layers and components 19 and / or applied thereon Contact points 11, 21.
- the button described in connection with FIGS 2 to 22 is alternatively as a single commander or as part of an in 23 uses a membrane keyboard 30 shown in plan view.
- the membrane keyboard 30 comprises several key fields 31, provided for non-safety-related switching processes are. These keypads 31 are, for example around number or letter keypads 31a and an associated confirmation keypad 31b. Also includes the membrane keyboard 30 two for safety-related Switching processes provided keypads 32. These keypads 32 are used, for example, to control an electronic one Equipment, e.g. as a start or stop button.
- the one shown in FIG. 24 in a diagram, and in particular membrane keyboard not shown to scale 30 is common to all key fields 31, 32 Floor support 17 built. To the assembled state the outside visible to a user Membrane keyboard 30 from a user interface Front film 33 covered.
- the shelf support 17 and the Front foil 33 are essentially flat and to one another arranged approximately in parallel.
- the with openings 7 in the area of the keypads 31, 32 provided spacer layer 18 fills in the area of the keypads 31 between the floor support 17 and the front film 33 distance formed completely out.
- the spacer layer 18 and the front film 33 the magnetic layer 16 temporarily stored.
- the floor support 17 is preferably by a conventional one PCB realizes and carries in the area of the keypads 31 arranged fixed contacts 34. No further details Fixed contacts shown are in the area of the keypads 32 provided on the shelf support 17.
- Switching processes is related with the electrical contacting device described in detail in FIGS. 2 to 22 used.
- One carrier is 10 each for this purpose arranged in the respective in the area of each keypad 32 Opening 7 of the spacer layer 18 in the previously described Wisely placed and lying with its print area 14 against the inner surface 35 of the front film 33.
- the front film 33 is convexly curved in the area of the keypad 32.
- the button assigned to the keypad 31a 36a is designed as a switching bubble.
- This is the front film 33 in the area of the keypad 31a with an embossed with respect to the base support 17 convexly domed and carries on its inner surface 35 the corresponding one Fixed contacts 34 at a distance from each other electrically conductive contact surface 37.
- confirmation keypad 31b is preferred one provided with a disc-like snap element 38 Push button 36b used.
- the snap element 38 is there at a distance from the base support 17 approximately parallel to this arranged and preferably lies directly on the inner surface 35 the front film 33.
- the snap element 38 is in its Rest position with respect to the floor support 17 convex, see above that the keypad 31b is raised similarly to the keypad 31a is arched out of the level of the user interface.
- the Snap element 38 carries one of the floor supports 17 and thus the corresponding fixed contacts 34 facing contact surface 37.
- Pressing the button surface 31b changes the snap element 38 leaps its shape from the convex rest position in a plane or concave actuation position with respect to the base support 17.
- the contact surface 37 is again against the Fixed contacts 34 pressed and the associated with the keypad 31b Switch contact closed. With decreasing actuation pressure the snap element 38 jumps to the starting position back, whereupon the electrical contact is interrupted.
- the Membrane keyboard 30 by using the comparatively simple built buttons 36 is inexpensive to manufacture.
- the membrane keyboard 30 can also be used for such purposes for which the use of conventional membrane keyboards due to high security requirements so far was not possible or only possible to a limited extent. This is particularly from Advantage because the membrane keyboard 30 compared to conventional safety-related commanders extremely flat and is compact.
- all keypads 31, 32 over the as a circuit board executed floor support 17 are contacted and thus wiring of the buttons, which is difficult to automate, is eliminated.
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
- FIG 2,3,4
- mehrere.Ansichten eines Trägers mit Öffnerkontakten einer erfindungsgemäßen elektrischen Kontaktierungseinrichtung,
- FIG 5,6,7
- die Schaltpositionen des Trägers gemäß FIG 2, 3, 4,
- FIG 8,9,10
- mehrere Ansichten eines Trägers mit Schließerkontakten einer erfindungsgemäßen elektrischen Kontaktierungseinrichtung,
- FIG 11,12,13
- die Schaltpositionen des Trägers gemäß FIG 8, 9, 10,
- FIG 14,15
- mehrere Ansichten eines Trägers mit einem Öffner- und einem Schließerkontakt einer erfindungsgemäßen elektrischen Kontaktierungseinrichtung,
- FIG 16,17,18
- die Schaltpositionen des Trägers gemäß FIG 14, 15,
- FIG 19,20,21,22
- mehrere Ansichten eines Trägers mit einer Schaltung einer erfindungsgemäßen elektrischen Kontaktierungseinrichtung,
- FIG 23
- in Draufsicht eine Kontaktierungseinrichtung gemäß FIG 5 umfassende Folientastatur und
- FIG 24
- in einem schematischen Querschnitt XXIV-XXIV die Tastatur gemäß FIG 23.
Claims (14)
- Elektrische Kontaktierungseinrichtung mit elektrischen Kontaktstellen (11, 21) auf einem beweglichen, im Wesentlichen plattenförmigen Träger (10) und mit diesen gegenüberliegenden Festkontakten, die nach einer Schaltbewegung des Trägers (10) mit den Kontaktstellen (11) kontaktieren, dadurch gekennzeichnet, dass die Kontaktstellen (11, 21) gegenseitig derart isoliert sind, dass sie zueinander und/oder zum Träger (10) unterschiedliche Potenziale ermöglichen.
- Elektrische Kontaktierungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Träger (10) neben Kontaktstellen (11, 21) auch Leiterbahnen (20) aufweist.
- Elektrische Kontaktierungseinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens eine der Kontaktstellen (11) als Kontaktbrücke ausgebildet ist.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) mit zumindest einer partiellen Isolierschicht (12) ausgeführt ist.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger als integrierter Schaltkreis (10) ausgeführt ist.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) weichmagnetische Eigenschaften aufweist und im Ruhezustand durch eine Magnetkraft gehalten ist.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die durch mindestens eine der Isolierschichten (12) voneinander isolierten Kontaktstellen (11, 21) und/oder Leiterbahnen (20) selektiv miteinander elektrisch verbunden sind.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) mindestens einen Durchbruch (21) aufweist, der zur Durchkontaktierung zwischen Kontaktstellen (11, 21) und/oder Leiterbahnen (20) in verschiedenen Ebenen dient.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) elektrisch leitend ist und die Funktion einer Kontaktbrücke übernimmt.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) mindestens zwei gegeneinander isolierte Kontaktbrücken (11) aufweist.
- Elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen den Kontaktstellen (11) ein Entkopplungsschlitz (13) vorgesehen ist.
- Tastatur (30) mit mindestens einem ersten Tastenfeld (32), welchem eine elektrische Kontaktierungseinrichtung nach einem der vorangehenden Ansprüche zugeordnet ist, und mindestens einem zweiten Tastenfeld (31), dessen zugeordneter Taster (36) schaltblasenartig ausgeführt ist oder ein durch ein Schnappelement (38) vermitteltes Sprungschaltverhalten aufweist.
- Tastatur (30) nach Anspruch 12, gekennzeichnet durch eine alle Tastenfelder (31,32) gemeinsam bedeckende, im Wesentlichen ebene Frontfolie (33).
- Tastatur nach einem der Ansprüche 12 oder 13, gekennzeichnet durch eine gemeinsame Leiterplatte (17), auf der sowohl die dem oder jedem ersten Tastenfeld (32) zugeordnete elektrische Kontaktierungseinrichtung, als auch der dem oder jedem zweiten Tastenfeld (31) zugeordnete Taster (36) kontaktiert sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10216636 | 2002-04-15 | ||
DE10216636 | 2002-04-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1355332A2 true EP1355332A2 (de) | 2003-10-22 |
EP1355332A3 EP1355332A3 (de) | 2004-03-17 |
EP1355332B1 EP1355332B1 (de) | 2007-03-07 |
Family
ID=28458836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030006495 Expired - Fee Related EP1355332B1 (de) | 2002-04-15 | 2003-03-21 | Elektrische Kontaktierungseinrichtung und zugehörige Tastatur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1355332B1 (de) |
DE (1) | DE50306717D1 (de) |
ES (1) | ES2282536T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007005362B3 (de) * | 2006-10-30 | 2008-02-14 | Siemens Ag | Betätigungselement |
WO2008083659A1 (de) | 2007-01-08 | 2008-07-17 | Future-Shape Gmbh | Flächenverkleidungselement, flächenverkleidungselement-anordnung und verfahren zum herstellen eines flächenverkleidungselementes |
IT202000021640A1 (it) * | 2020-09-14 | 2022-03-14 | Bitron Spa | Sistema di comando di tipo magnetico per un pulsante, pulsante e relativa plancia di comando. |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB877562A (en) * | 1958-10-28 | 1961-09-13 | United Carr Fastener Corp | Improvements in and relating to electrical switches |
US4301337A (en) * | 1980-03-31 | 1981-11-17 | Eventoff Franklin Neal | Dual lateral switch device |
US4400594A (en) * | 1978-11-29 | 1983-08-23 | Serras Paulet Edouard | Control keyboard for electric or electronic devices |
US4618754A (en) * | 1985-06-17 | 1986-10-21 | David Gross | Membrane switch with pivotable rocker |
US4652704A (en) * | 1985-12-30 | 1987-03-24 | Sperry Corporation | Keyboard switch |
US5552571A (en) * | 1991-04-23 | 1996-09-03 | Bodenseewerk Geratetechnik Gmbh | Push-button switch having a plurality of simultaneously closed contacts |
US5990772A (en) * | 1995-06-02 | 1999-11-23 | Duraswitch Industries, Inc. | Pushbutton switch with magnetically coupled armature |
DE10040151C1 (de) * | 2000-08-17 | 2002-01-31 | Schurter Gmbh | Tastatur zum sicheren Auslösen von elektrischen Schaltfunktionen |
-
2003
- 2003-03-21 ES ES03006495T patent/ES2282536T3/es not_active Expired - Lifetime
- 2003-03-21 DE DE50306717T patent/DE50306717D1/de not_active Expired - Fee Related
- 2003-03-21 EP EP20030006495 patent/EP1355332B1/de not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB877562A (en) * | 1958-10-28 | 1961-09-13 | United Carr Fastener Corp | Improvements in and relating to electrical switches |
US4400594A (en) * | 1978-11-29 | 1983-08-23 | Serras Paulet Edouard | Control keyboard for electric or electronic devices |
US4301337A (en) * | 1980-03-31 | 1981-11-17 | Eventoff Franklin Neal | Dual lateral switch device |
US4618754A (en) * | 1985-06-17 | 1986-10-21 | David Gross | Membrane switch with pivotable rocker |
US4652704A (en) * | 1985-12-30 | 1987-03-24 | Sperry Corporation | Keyboard switch |
US5552571A (en) * | 1991-04-23 | 1996-09-03 | Bodenseewerk Geratetechnik Gmbh | Push-button switch having a plurality of simultaneously closed contacts |
US5990772A (en) * | 1995-06-02 | 1999-11-23 | Duraswitch Industries, Inc. | Pushbutton switch with magnetically coupled armature |
DE10040151C1 (de) * | 2000-08-17 | 2002-01-31 | Schurter Gmbh | Tastatur zum sicheren Auslösen von elektrischen Schaltfunktionen |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007005362B3 (de) * | 2006-10-30 | 2008-02-14 | Siemens Ag | Betätigungselement |
WO2008083659A1 (de) | 2007-01-08 | 2008-07-17 | Future-Shape Gmbh | Flächenverkleidungselement, flächenverkleidungselement-anordnung und verfahren zum herstellen eines flächenverkleidungselementes |
IT202000021640A1 (it) * | 2020-09-14 | 2022-03-14 | Bitron Spa | Sistema di comando di tipo magnetico per un pulsante, pulsante e relativa plancia di comando. |
Also Published As
Publication number | Publication date |
---|---|
EP1355332A3 (de) | 2004-03-17 |
ES2282536T3 (es) | 2007-10-16 |
EP1355332B1 (de) | 2007-03-07 |
DE50306717D1 (de) | 2007-04-19 |
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