WO2006067438A1 - Push button assemblies - Google Patents

Push button assemblies Download PDF

Info

Publication number
WO2006067438A1
WO2006067438A1 PCT/GB2005/004970 GB2005004970W WO2006067438A1 WO 2006067438 A1 WO2006067438 A1 WO 2006067438A1 GB 2005004970 W GB2005004970 W GB 2005004970W WO 2006067438 A1 WO2006067438 A1 WO 2006067438A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
membrane
accordance
housing
flange
Prior art date
Application number
PCT/GB2005/004970
Other languages
French (fr)
Inventor
James Cove
Original Assignee
Gamesman Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gamesman Limited filed Critical Gamesman Limited
Publication of WO2006067438A1 publication Critical patent/WO2006067438A1/en

Links

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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/032—Several contacts formed in one plate or layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/008—Video game

Definitions

  • a push button assembly for an amusement or gaming machine has a housing mountable on a panel of the machine and comprises a light-transmitting button which is manually movable within the housing against a spring to operate an electrical switch which may be a microswitch mounted at an inner end of the housing.
  • the light- transmitting button can be illuminated, e.g. by an internal lamp, to indicate the functional status of the switch i.e. to indicate whether the switch is currently operable to initiate a game play function.
  • the switch may be operable to initiate different functions at different stages of the game. However, the switch is usually operable to initiate one function at a particular stage in the game.
  • An object of the invention is to provide a push button assembly which has greater versatility.
  • a push button assembly comprising a housing mountable on a panel, a fixing means for fixing the housing relative to the panel, a manually operable switch mechanism mountable relative to the housing, characterised in that the switch mechanism is provided by a membrane having discrete, independently manually operable switch areas thereon.
  • the button assembly has enhanced versatility insofar as it can be used to initiate a variety of different functions depending on which switch on the membrane is operated. Thus a possible use of the button assembly would be for navigation around a screen or menu.
  • the membrane is exposed so that the switch mechanism is manually operable by direct manual contact with the membrane e.g. by pushing generally in the manner of a conventional button.
  • the housing comprises a flange which receives the membrane at one end of a tubular stem.
  • the flange may be of a generally circular or square or rectangular or polygon configuration.
  • the flange may be bounded by a peripheral wall or bezel to define a receptacle therewith.
  • a retention device such as a retainer ring may fit within the bezel to hold the membrane in position.
  • the housing may be externally threaded for interengagement with the fixing means which may comprise a nut or additionally spring clips or other suitable means may be provided for fixing the housing relative to the panel.
  • Illumination means may be provided for illuminating the housing and/or the membrane, particularly the aforesaid bezel.
  • the illumination means may comprise LEDs on a circuit board mounted beneath the aforesaid flange.
  • the button assembly preferably comprises a support member for supporting the membrane and which may be interposed between the membrane and the aforesaid flange.
  • the support member may comprise a disc-shaped member which may be light-transmitting.
  • the disc-shaped member may be attached to a hollow stem which may fit within the aforesaid tubular stem of the housing.
  • the membrane comprises a base layer and a top layer.
  • the base layer may incorporate an electrical circuit which may be a printed circuit and the top layer may provide switch elements contactable with the electrical circuit.
  • the switch elements may be in the form of a plurality of depressible domed structures, which are normally spaced from the electrical circuit.
  • the membrane has a connector for connection to appropriate circuitry of an amusement or gaming machine.
  • the membrane may be light transmitting.
  • Figure 1 is a plan view of one form of a push button assembly according to the invention.
  • Figure 2 is an exploded sectional view of the button assembly in Figure 1 ;
  • FIG 3 is an exploded sectioned view of the button assembly in Figure 1 .
  • a button assembly has a housing 1 , a button support 2, a button membrane 3, and a retainer 4.
  • the housing 1 comprises a tubular stem 6 of generally circular cross-section formed integrally at a top end with a button receiving part defined by a radially outwardly extending annular peripheral flange 5, bounded by an upwardly extending cylindrical inner wall 5a and an outer peripheral wall 5b which is inclined outwardly downwardly from its top circular rim which is connected to the top circular rim of the inner wall 5a, to a bottom circular rim 7 which is free and terminates slightly below the flange 5.
  • the tubular stem 6 has a screw thread on its exterior. The stem
  • the upstanding walls 5a, 5b define a bezel around the top end of the tubular stem 6.
  • the outer wall 5b is provided with apertures 21 equally spaced around the periphery.
  • An annular circuit board (not shown) is provided which is located under the flange 5, between the tubular stem 6 and the bottom rim 7 of the outer wall 5b such that the underside is level with such rim.
  • the board 22 includes LEDs spaced circumferentially and also radially in positional correspondence with the apertures 21 , 24. The LEDs are connected via circuitry to a plug (not shown) for connection to appropriate control circuitry.
  • the support button 2 comprises a generally circular light transmitting disc-shaped member 10 and an integral smaller diameter coaxially arranged tubular stem 8 extending downwardly from the underside of the member 10.
  • the member 10 has a protruding peripheral ring 1 1 disposed generally centrally on the outer surface of the member 10 and a peripheral protruding lip 1 2 at its bottom end.
  • the tubular stem 8 has a generally central circumferential abutment 1 9 on its inner surface and a pair of legs 9 with outwardly turned feet 20 projecting downwardly at diametrically opposed positions.
  • the button membrane 3 is disc-shaped and of the same size on the top circular face of the disc-shaped member 10.
  • the membrane 3 is composed of a base layer 13 incorporating an electrical circuit (not shown) and a top layer 14 providing four switch operating mechanisms or buttons in the form of raised domes 1 5.
  • the raised domes 1 5 are each disposed over a part of the electrical circuit which is incomplete, the respective domes, each acting to bridge the gap in the circuit when depressed, thereby to provide four discrete switches.
  • the top layer 14 is printed on each of the raised domes 1 5 to indicate its function as an actuating button of the respective switch.
  • a connector is integrated into the membrane 3 for connection of the switches to circuitry to be controlled thereby.
  • the membrane 3 is mounted on top of the member 10.
  • the annular circuit board beneath the flange 5 has LEDs in alignment with apertures 24 in the flange base wall 25, which are in turn aligned with the peripheral domes 1 5.
  • the retainer 4 is an annular member provided with a protruding flange 16 around the upper inner periphery.
  • the retainer 4 When assembled, the retainer 4 snap fits tightly round the member 10 over the membrane 3 in engagement with the ring 1 1 of member 10, to rest on lip 12, the lip 16 holding the membrane 3 in place on the member 10.
  • the legs 9 are springy and these are inserted into the tubular stem 6 through gaps 18, until the feet 20, spring outwardly into position beneath the bottom end of the stem 6 to secure the support 2 within the housing 1 . In this position the member 10 is held on top of the flange 5.
  • the button assembly may be fixed to the screen or panel of an amusement or gaming machine.
  • the stem 6 is passed through an aperture in a panel which is of slightly larger diameter than the stem 6 so that the flange 5 lies over the panel with the annular circuit board between the panel and the underside of the flange 5 and the rim 7 engaging the panel.
  • the button assembly is secured in position on the panel with a nut (not shown) which is screwed onto the external thread of the stem 6 at the underside of the panel.
  • the annular circuit board with LEDs beneath the flange and the connector of the membrane 3 are connected through the machine panel to the operating circuitry of the amusement or gaming machine.
  • the domes on the membrane can be depressed to operate the respective electrical switch to control a machine function.
  • one of the domes can be pressed by a player as a press button whereby the dome is depressed, the electrical circuit relating to that dome is completed by contact of the interior of the dome against the circuit which supplies an electrical signal to the machine operating circuitry.
  • the domes can be lit by their respective LEDs to indicate which switch has been pressed or which is available for controlling a machine function.
  • LEDs on the circuit board aligned with apertures 21 power can be supplied to the LEDs on the circuit board aligned with apertures 21 to cause these to be illuminated. Illumination of these LEDs causes the light being emitted to travel up optical fibres provided in the apertures 21 to produce a ring of illuminated dots in a path around the flange.
  • the LEDs may be white, coloured or colour controllable and therefore the illumination of the individual dots may be of different colours, in a constant or flashing manner whereby there is a wide range of illumination combinations which can be used to give a wide range of game play indications.
  • a lamp unit (not shown) may be mounted within the stem 6 at the bottom end thereof for illumination from below the membrane 3, via the member 10 which are both light-transmitting.
  • the button support 2 may be movably mounted within the stem 6, a spring being provided between the abutments 17 and 19 to allow limited movement of the frame in an upward and downward direction to give a springy feel to the operation of the membrane switches.
  • the button assembly can be used for controlling different functions due to the multiple switches of the membrane 3. This gives enhanced versatility.

Landscapes

  • Push-Button Switches (AREA)

Abstract

A push button assembly comprises a housing (1) which is mountable on a panel of an amusement or gaming machine. A membrane (3) is supported on a membrane support (2) which is mounted within the housing (1). The membrane (3) comprises discrete independently manually operable switch areas or domes (15) on a top layer (14) and an electrical printed circuit on a base layer (13). The domes (15) are depressible to contact the circuit on the base layer (15) to actuate the switch associated therewith. Illumination means in the form of LEDs on a circuit board may also be provided and the housing (1) and/or support (2) and/or membrane (3) may be light-transmitting.

Description

PUSH BUTTON ASSEMBLIES
This invention relates to push button assemblies and is particularly although not exclusively concerned with panel-mounted push button assemblies for use in amusement or gaming machines. Conventionally, a push button assembly for an amusement or gaming machine has a housing mountable on a panel of the machine and comprises a light-transmitting button which is manually movable within the housing against a spring to operate an electrical switch which may be a microswitch mounted at an inner end of the housing. The light- transmitting button can be illuminated, e.g. by an internal lamp, to indicate the functional status of the switch i.e. to indicate whether the switch is currently operable to initiate a game play function. The switch may be operable to initiate different functions at different stages of the game. However, the switch is usually operable to initiate one function at a particular stage in the game.
An object of the invention is to provide a push button assembly which has greater versatility.
According to the invention therefore there is provided a push button assembly comprising a housing mountable on a panel, a fixing means for fixing the housing relative to the panel, a manually operable switch mechanism mountable relative to the housing, characterised in that the switch mechanism is provided by a membrane having discrete, independently manually operable switch areas thereon.
With this arrangement the button assembly has enhanced versatility insofar as it can be used to initiate a variety of different functions depending on which switch on the membrane is operated. Thus a possible use of the button assembly would be for navigation around a screen or menu.
Preferably, the membrane is exposed so that the switch mechanism is manually operable by direct manual contact with the membrane e.g. by pushing generally in the manner of a conventional button. Preferably, the housing comprises a flange which receives the membrane at one end of a tubular stem. The flange may be of a generally circular or square or rectangular or polygon configuration. The flange may be bounded by a peripheral wall or bezel to define a receptacle therewith. A retention device such as a retainer ring may fit within the bezel to hold the membrane in position.
The housing may be externally threaded for interengagement with the fixing means which may comprise a nut or additionally spring clips or other suitable means may be provided for fixing the housing relative to the panel. Illumination means may be provided for illuminating the housing and/or the membrane, particularly the aforesaid bezel.
The illumination means may comprise LEDs on a circuit board mounted beneath the aforesaid flange.
The button assembly preferably comprises a support member for supporting the membrane and which may be interposed between the membrane and the aforesaid flange. The support member may comprise a disc-shaped member which may be light-transmitting. The disc-shaped member may be attached to a hollow stem which may fit within the aforesaid tubular stem of the housing. Preferably, the membrane comprises a base layer and a top layer.
The base layer may incorporate an electrical circuit which may be a printed circuit and the top layer may provide switch elements contactable with the electrical circuit. The switch elements may be in the form of a plurality of depressible domed structures, which are normally spaced from the electrical circuit.
Preferably, the membrane has a connector for connection to appropriate circuitry of an amusement or gaming machine.
The membrane may be light transmitting.
The invention will now be described further by way of example only and with reference to the accompanying drawings in which:
Figure 1 is a plan view of one form of a push button assembly according to the invention;
Figure 2 is an exploded sectional view of the button assembly in Figure 1 ; and
Figure 3 is an exploded sectioned view of the button assembly in Figure 1 . As shown in figures 2 and 3, a button assembly has a housing 1 , a button support 2, a button membrane 3, and a retainer 4.
The housing 1 comprises a tubular stem 6 of generally circular cross-section formed integrally at a top end with a button receiving part defined by a radially outwardly extending annular peripheral flange 5, bounded by an upwardly extending cylindrical inner wall 5a and an outer peripheral wall 5b which is inclined outwardly downwardly from its top circular rim which is connected to the top circular rim of the inner wall 5a, to a bottom circular rim 7 which is free and terminates slightly below the flange 5. The tubular stem 6 has a screw thread on its exterior. The stem
6, at a position in the bottom end region, has two part-circumferential internal flanges 1 7 of L-shaped cross-section with gaps 1 8 therebetween at diametrically opposed positions.
The upstanding walls 5a, 5b define a bezel around the top end of the tubular stem 6. The outer wall 5b is provided with apertures 21 equally spaced around the periphery. There are further apertures 24 located in the flange 5. An annular circuit board (not shown) is provided which is located under the flange 5, between the tubular stem 6 and the bottom rim 7 of the outer wall 5b such that the underside is level with such rim. The board 22 includes LEDs spaced circumferentially and also radially in positional correspondence with the apertures 21 , 24. The LEDs are connected via circuitry to a plug (not shown) for connection to appropriate control circuitry.
The support button 2 comprises a generally circular light transmitting disc-shaped member 10 and an integral smaller diameter coaxially arranged tubular stem 8 extending downwardly from the underside of the member 10. The member 10 has a protruding peripheral ring 1 1 disposed generally centrally on the outer surface of the member 10 and a peripheral protruding lip 1 2 at its bottom end.
The tubular stem 8 has a generally central circumferential abutment 1 9 on its inner surface and a pair of legs 9 with outwardly turned feet 20 projecting downwardly at diametrically opposed positions.
The button membrane 3 is disc-shaped and of the same size on the top circular face of the disc-shaped member 10. The membrane 3 is composed of a base layer 13 incorporating an electrical circuit (not shown) and a top layer 14 providing four switch operating mechanisms or buttons in the form of raised domes 1 5. The raised domes 1 5 are each disposed over a part of the electrical circuit which is incomplete, the respective domes, each acting to bridge the gap in the circuit when depressed, thereby to provide four discrete switches. The top layer 14 is printed on each of the raised domes 1 5 to indicate its function as an actuating button of the respective switch. A connector is integrated into the membrane 3 for connection of the switches to circuitry to be controlled thereby.
The membrane 3 is mounted on top of the member 10.
The annular circuit board beneath the flange 5 has LEDs in alignment with apertures 24 in the flange base wall 25, which are in turn aligned with the peripheral domes 1 5. The retainer 4 is an annular member provided with a protruding flange 16 around the upper inner periphery.
When assembled, the retainer 4 snap fits tightly round the member 10 over the membrane 3 in engagement with the ring 1 1 of member 10, to rest on lip 12, the lip 16 holding the membrane 3 in place on the member 10. The legs 9 are springy and these are inserted into the tubular stem 6 through gaps 18, until the feet 20, spring outwardly into position beneath the bottom end of the stem 6 to secure the support 2 within the housing 1 . In this position the member 10 is held on top of the flange 5.
In use, the button assembly may be fixed to the screen or panel of an amusement or gaming machine. The stem 6 is passed through an aperture in a panel which is of slightly larger diameter than the stem 6 so that the flange 5 lies over the panel with the annular circuit board between the panel and the underside of the flange 5 and the rim 7 engaging the panel. The button assembly is secured in position on the panel with a nut (not shown) which is screwed onto the external thread of the stem 6 at the underside of the panel.
The annular circuit board with LEDs beneath the flange and the connector of the membrane 3 are connected through the machine panel to the operating circuitry of the amusement or gaming machine.
At appropriate stages in the game played with the machine the domes on the membrane can be depressed to operate the respective electrical switch to control a machine function. In this case, one of the domes can be pressed by a player as a press button whereby the dome is depressed, the electrical circuit relating to that dome is completed by contact of the interior of the dome against the circuit which supplies an electrical signal to the machine operating circuitry. The domes can be lit by their respective LEDs to indicate which switch has been pressed or which is available for controlling a machine function.
Also, on appropriate occasions power can be supplied to the LEDs on the circuit board aligned with apertures 21 to cause these to be illuminated. Illumination of these LEDs causes the light being emitted to travel up optical fibres provided in the apertures 21 to produce a ring of illuminated dots in a path around the flange. The LEDs may be white, coloured or colour controllable and therefore the illumination of the individual dots may be of different colours, in a constant or flashing manner whereby there is a wide range of illumination combinations which can be used to give a wide range of game play indications.
If desired, a lamp unit (not shown) may be mounted within the stem 6 at the bottom end thereof for illumination from below the membrane 3, via the member 10 which are both light-transmitting. Also the button support 2 may be movably mounted within the stem 6, a spring being provided between the abutments 17 and 19 to allow limited movement of the frame in an upward and downward direction to give a springy feel to the operation of the membrane switches.
With the embodiment described above the button assembly can be used for controlling different functions due to the multiple switches of the membrane 3. This gives enhanced versatility.
It is of course to be understood that the invention is not intended to be restricted to the details of the above embodiment, which is described by way of example only.

Claims

CLAlMS
1 . A push button assembly comprises a housing ( 1 ) mountable on a panel, a fixing means for fixing the housing (1 ) relative to the panel, a manually operable switch mechanism mountable relative to the housing (1 ), characterised in that the switch mechanism is provided by a membrane (3) having discrete independently manually operable switch areas (1 5) thereon.
2. An assembly in accordance with claim 1 , characterised in that the membrane (3) is exposed so that the switch mechanism is manually operable by direct manual contact with the membrane
(3).
3. An assembly in accordance with any one of claims 1 or 2 characterised in that the housing (1 ) comprises a flange (5) which receives the membrane (3) at one end of a tubular stem (6).
4. An assembly in accordance with claim 3, characterised in that the flange (5) is bounded by a peripheral wall or bezel (5b) to define a receptacle therewith.
5. An assembly in accordance with claim 4, characterised in that a retention device (4) fits within the bezel (5b) to hold the membrane (3) in position.
6. An assembly in accordance with any of claims 1 -5, characterised in that an illumination means is provided for illuminating the housing (1 ) and/or the membrane (3).
7. An assembly in accordance with claim 6, characterised in that the illumination means comprises LEDs on a circuit board mounted beneath the flange (5).
8. An assembly in accordance with any of claims 3-5 or 6-7 when dependent on claim 3, characterised in that the assembly comprises a support member (2) for supporting the membrane (3) and which is interposed between the membrane (3) and the flange (5).
9. An assembly in accordance with claim 8, characterised in that the support member (2) comprises a light-transmitting discshaped member (10).
10. An assembly in accordance with claim 9, characterised in that the disc-shaped member (10) is attached to a hollow stem (8) which fits within the tubular stem (6) of the housing (1 ).
1 1 . An assembly in accordance with any of claims 1 -10, characterised in that the membrane (3) comprises a base layer (13) and a top layer ( 14).
12. An assembly in accordance with claim 1 1 , characterised in that the base layer ( 13) incorporates an electrical circuit which is a printed circuit board and the top layer ( 14) provides switch elements contactable with the circuit.
13. An assembly in accordance with claim 12, characterised in that the switch elements are in the form of a plurality of depressible domed structures (1 5) which are normally spaced from the circuit.
14. An assembly in accordance with any of claims 1 -13, characterised in that the membrane (3) has a connector for connection to appropriate circuitry of an amusement or gaming machine.
15. An assembly in accordance with any of claims 1 -14, characterised in that the membrane (3) is light-transmitting.
16. An amusement or entertainment machine comprising a push button assembly as defined in claims 1 -15.
17. An assembly substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
PCT/GB2005/004970 2004-12-23 2005-12-21 Push button assemblies WO2006067438A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0428091A GB0428091D0 (en) 2004-12-23 2004-12-23 Push button assemblies
GB0428091.3 2004-12-23

Publications (1)

Publication Number Publication Date
WO2006067438A1 true WO2006067438A1 (en) 2006-06-29

Family

ID=34113058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/004970 WO2006067438A1 (en) 2004-12-23 2005-12-21 Push button assemblies

Country Status (2)

Country Link
GB (1) GB0428091D0 (en)
WO (1) WO2006067438A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8624141B2 (en) 2010-09-30 2014-01-07 HAPP Controls, Inc. Illuminated button assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414009A1 (en) * 1984-04-13 1985-10-17 Telefunken electronic GmbH, 7100 Heilbronn Push-button switch
DE3811737A1 (en) * 1988-02-15 1989-10-19 Standard Telephones Cables Ltd Push-button arrangement
WO1994024683A1 (en) * 1993-04-22 1994-10-27 Maygay Machines Limited Push-button switches
US20030226745A1 (en) * 2002-06-07 2003-12-11 Mitsunori Sato Tactile switch unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414009A1 (en) * 1984-04-13 1985-10-17 Telefunken electronic GmbH, 7100 Heilbronn Push-button switch
DE3811737A1 (en) * 1988-02-15 1989-10-19 Standard Telephones Cables Ltd Push-button arrangement
WO1994024683A1 (en) * 1993-04-22 1994-10-27 Maygay Machines Limited Push-button switches
US20030226745A1 (en) * 2002-06-07 2003-12-11 Mitsunori Sato Tactile switch unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8624141B2 (en) 2010-09-30 2014-01-07 HAPP Controls, Inc. Illuminated button assembly

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