• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Methods, systems, or apparatuses for impeding the entrance of foreign contaminates into a housing of a gang machine may include a gaming controller, a panel, and an input device mounted to the panel. The input device may include a housing. The housing of the input device may include a first section, a second section, and a member moveable with respect to the first and the second sections, wherein the moveable member is configured to be actuated by a player to provide input to the gaming controller; and a membrane disposed between the first section and the panel, wherein the membrane impedes the entrance of foreign contaminates into the housing.
    公开号:AU2013216629A1
    申请号:U2013216629
    申请日:2013-08-13
    公开日:2014-03-13
    发明作者:Brian K. Baker；John L. Beadell；Russell Chudd；Jacquelyn S. Combs；Nathan D. Labrosse；Steve P. McGahn；Michael W. Oehlert；Tai Rosander；Thomas D. Waxman
    申请人:International Game Technology；
    IPC主号:A63F13-00
    专利说明:
    INPUT DEVICE WITH MEMBRANE TO IMPEDE ENTRANCE OF FOREIGN CONTAMINATES INTO AN ELECTRONIC GAMING MACHINE This application claims priority from United States Application No. 13/594,400 filed on 24 August 2012, the contents of which are to be taken as incorporated herein by this reference. BACK GR FOUND 1. Field of the Described Implementations 100011 The prcsnt disclosure relates generany to gaming machinesaid more particularly to nput devices of gnming machines configured to impede the entrance of foreign contaminates into the housing of the input devie 2 Description of the Related Art 00021 Many of today's gaming canos and other entertainment locations feature liffrent singe and iutiplayer gaming systems suet as slot machines and video poker machines The gaming machines may include a number of hardware and software components to provide a wide variety of game types and game plying capabilies. Exemplary hardware components mia include bi validators, coin acceptors, card readers, keypads, buttons, levers, touch screens, coin hoppers, ticket printers, player tracking units and the like Software components mnay include, for example, boot and initialiatn routines, various game play programs and subroutines credit and payout routines, image and audio generation programs, various component modules and a random or pseudo-random number generate or, among others. [00031 Gaming machines arc highly regulated to ensure fairness. in many cases, gaming machines may be operable to dispense monetary awards of large amount of mey. Accordingly, access to gaming machines is often carefuly controlled. For example, in some jurisdictions, routine maintenance requires that extra personnel (e g., gaining control personnel) be notified in advance and he in attendance during suh maintenance Additionally, gaming machines may have hardware and software architectures that differ significantly front those of general-purpose computers (PCs) even though both gaming machines and PCs employ -1 microprocessors to control a variety of devices. For example, gaming machines may have more stringent security recuirements and fault tolerance requirements. Additionally, gaming machines generally operate in harsher environments as compared with PCs. [00041 Gaming machines typically have input devices, such as pushlbuttons, to receive player inputs, g, to place a wager. A gaming machinewith such devces may be susceptible to foreign contaminates getting into the h and interfering with the proper option of the gaming machi For example, a player may spill liquids containing alcohol, sugar, etc. on the panel of the gandog machine, which may then enter the input device and caue the input device to Stup Annp device on an angled panelnay be more susceptible to contamination due to its relative location and/or the accessibility of drinking containers to the player and the input device(s). 01)05) The input device of the gaming machine may have reduced tactile function and/or function. For example, the input device may become inoperable when the foreign contaminate enter the housing or other components of-theinput device. The inoperability may be caused by the foreign contaminate entering the area between a lens and a bezel of the input device. In such situations faulty input device is typically replaced by the casino operator. Moden input devices which include CD or similar displays can be relatively expensive to replace. Besides the costs incurred by replacing a fauly input device, the casino operator also suffers a decline in income while t gang machine is inoperable. These and other considerations have led to the evolution of the present invention. SUMMARY 110061 The present invention solves the problem of foreign contaminants interfering with the operation of input devices of a gaming machine in a cost effective nianner without hindering the normal operation of those input devices. According to various examples, an electronic gaming machine for playing an electronic wagering game is disCOsed. The electronic gamingacanine nay include a gaming controller. The electronic gainig machine may also inAde a panel having a first side and a second side. The electronic gaming manhine may include an input .2device mounted on the panel. g'Te input device may include a housing, which nay include a frst section having a bottom surface, wherein the bottom surface is engaged against the panel on the Ant side of the panel The input device may also include a second section having a top surface, wherein the top surface is engaged against the panel on the second side of a panel The input device may also include a member moveable with respect to the first and the second sections, wherein the moveable member is configured to be actuated by a player to provide input to the gaming controller The input device may farther include a membrane disposed between the first section and the panda, whereia the membrane impedes the entrance of foreign containates into the housig 10007] According to one example implementation, an input device is disclosed. The input device may include a housing comprising a bottomnwall having at least one upward ly extending side and a top sufne connected to the at last one upwardly extending side. The input device ay also include aens mechanically coupled o the housing corIng of an upper and a lwr lens, where the upper and lower enses are weled together to Create the lens, wherein the upper lens isgonfigured to be actuated by a player to provide input to a ganinn controller and the lower ens is configured to move with the upper lens during actuation The input device may also include a ben surrounding the upper lens. The irput devte mayfurther includeelectrical contacts electrically coupled to the upper lens to receive input. The input device may also include a fexible membrane attached to the upper lens and placed ovrhe bezelherein the flexible membrane s provNied witin a channel between the upper and lower lens and is configured to allow movement with the actuation of the upper lens, to provide feedback to the player during actuation and to impede the entrance of t6reign contaminates into the elerial contacts. [0001 According to another implementation, an apparatus foran electronic gaming machine to preventhe entrance of foreign objecs is disclosed. The apparatus nmay include a housing comprising first seon, wherein the First section extends into an interior region of the electronic gaming machine, a second section, wherein the seCond section extends into an exterior of te electrnic gaming machine. The apparatus may also ine]de a member moveab with respect to the first and second sections. The apparatus may further inchide a membrane in contact wih the first and second sections, wherein the membrane surrounds the moveable member to prevent the entrance of foreign objects into the electric gammn machine. BRIEF DESCRIPTION OF THE DRAWINGS [0009] TledeItails of one or more implementations are set fort in the accOmpnying drawings and the description beNow Other features, aspects, and advantagesuf the disclosure will become apparent from the descriptions the drawings, and the claims in which [00101 Figure 1 is an illustration of a gaming machine, in accordancwith a described implementation; 100111 Figre 2 is a top perspective view of an input device in accordance with a described imnplementation; 001|21 Figure 3 is a crosssectional view of an input device in accordance with a described implementation; [0013] Figure 4 is a crosssectional view of the input device of Figure 3, in accordance with a described implementation; [00141 Figure 5 is a detailed view of the input device of Figure 4, in accordance with a described implementation; and 100151 Figure 6 is an exploded view of an input devce in accordance wih a described implementation. DEfAlLD DESCRIPTDN 100161 Numerous specific details may be set forth below to provide a though understanding of concepts underlying the described implementations. It may be apparent, however to one skilled in the art that he described implementation may be practiced without sore or all of hese secific details. In other instances, some process steps have not been described i det ai in order to avoid unnecessarily obscuring the underlying concept. ~ji0 17 Referring general to the figures. a gaming machine input device and components thereof are shown according to described implementations. Before discussing further details of the gaming device, the inpu device and/or the components thereof it should be noted that references to "front,""back,""rear," "upward " "downward, "inner) "outer," "right," and lef" in this description are merely used to identify the various elements as they areoriented in the Figures. These terms are not meant to innit the element which they describe, as the various elements may he oriented differenty in various appliations. [10181 A spilbresistant edge-lit dynamic input devicay' unprove the tactile function of the input device and/o reduce inoperability The input device, disclosed herein, prevents foreign contaminates trom entering the gap between the lens and the bezel of the input device while maintaining the visualeffects of the edgelit dynamic input device and the tatie feel for a played's enjoyment 10019] Referring to Figure 1, a perspective drawing of an electronic gaming machine 102 is shown in accordance with described implementations. Gaming machine 102 may include a main cabinet 104. Main cabinet 104 may provide a secure enclosure that prevents tampering with device components, such as a game controller and a coin hopper (not shown) located within the interior of main cabinet 104, Main cabinet 104 may include an access mechanism, such as a door 106, which alows the interior of gaming machine 102 to be accessed Actuation of a door 106 may be controlled by a locking mechanism 114. In some implementations, locking mechanism 114, door 106, and the interior of main cabinet 104 may be monitored with security sensors of various types to detect whether the interior has been accessed. For instance, a light sensor may be provided within main cabinet 104 to detect a change in light-levels when door 106 is opened and/or an accelerometer may be attached to door 106 to detect when door 106 is opened.
    [*020] Gaming machine 102 may include any number of user interface devices that convey sensory information to a user and/or receive input from the user. For example, gaming machine 102 may include a first electronic display 110, a second electronic display 122, speakers 126, and/or a candle device 112 to convey information to the user of gaming machine 102. Gaming machine 102 may also include a panel 124 having one or more input devices 134 (e.g, buttons, track pads, etc.) configured to receive input from a user. Panel 124 may include a first side and a second side. input devices) 134 may be mounted to panel 124. [00213 In one implementation, display 110 may also be a touch screen display configured to receive input from a user. A gaming controller (not shown) within gaming machine 102 may run a game. such as a wager-based game, in response to receiving input from a user via input devices 134 or display 110. For example, input devices 134 may be operated to place a wager in the game and to run the game. in response, the gaining controller may cause second electronic display 122, which may' include eiectro-mechanical reels, to spin, such as with a slot game, and/or display 110 to display the results of the game. [0U221 Gaming machine 102 may also include devices for conducting a wager-basedl game. For example, gaming machine 102 may include a coin acceptor 132, a printer 120, a bill acceptor 16, and a coin tray 136. Gaming machine 1 02 may receive physical money and/or tokens via coin acceptor 132 and bill acceptor 116 and dispense physical money or tokens via coin tray 136, Gaming machine 102 may convert received money or tokens into game credits, which may be used within the gaming establishment in lieu of money. In some cases, gaming machine 102 may also receive and dispense credits. For example, printer 120 may print a ticket for larger payouts that can be redeemed for physical money. In some cases, bill acceptor 116 may be configured to redeem a payout ticket in the form of game credits. Such a configuration may allow a user to transfer credits between gaming machines, According to various implementations, gaming machine 102 may record data regarding its receipt and/or disbursement of money or credit. Gaming machine 102 may provide such accounting data to a remote repository.
    [0023j The input devices 134 are exemplified by input device 300 shown in Figures 2 and 3. Input device 300 includes moveable push button member 303which moves up and down relative to and with n interior of inner housing 307 (Fig. 4). Spring 321 (Fig. 4) is positioned on top of an annular lip 322 of the inner housing 307 and underneath an annular ledge 324 of the push button member. The spring 321 exerts an upward force on the push button member 303 and maintains the push button member 303 in an un-pressed upper-most state as shown in Fig. 4. The upward movement of the push button member 303 is limited by a catch 326 coming into contact with the annular lip 322. When a user pushes down on the push button member 303 the force of the spring 321 is overcome and the push button member 303 moves downward within the inner housing 307 until a lower portion of the push button member exterior wall 328 comes into contact with a peripheral portion 330 of the annular lip 322. The input device 300 is activated using known techniques when the push button member 303 is pressed by the user. [00241 Push button member 303 may provide a lens 302 for an illuminated display. The illuminated display may display an image, a video, etc. The pyer may playagame as directed bythe iliummeddisplay. The illuminated display may include an LCD liquidd crystal display TFT (thin film transior), plasma,. OLED (organic ligh emitting diode) or LED display. The ilumntated display may include graphics from the game, sueh as directions. Furthermore. content that may have been displayed elsewhere may be displayed on push buton member 303. 1002S] As best shown by section 320 in Fig 5 the push button member exterior wal 328 is separated from the inner housing 307 by snall gap 330 (not shown to scale to prevent frictional contact between the exterior wail 328 and the housing307 from impeding the movement of the push buton member 303. Previously known input devices tend to become faulty or inoperable when foreign contaminants reintroduced into a sAmlar gap between the moving and stationary ponions of the input device In a significant departure from previously known input deces the gap 30 is protected from foreign contaminates by a membrane 304 which insulates the gap 330 from such contaminates poured or introduced onto the input device 300 from above. Whie the nplementation of Figure shows exterior wall 328 and inne housing 307 spaced apart by sman gap 300. according to another implementation, there may not be a gap 330, for exampieexterior wail 328 and inner housing 307 may be in friction contact, [|0026I A first end 304a of the membrane 304 is retained wthin the lens302 of the push button member 303 and moves with the push button member 303 when the push button member 303 is depressed. Lens 302 may include an upper and a lower lens that may be welded together to create lens 302 In some implementaions, the upper and lowerens may be uitra-sonically welded together. The upper lens may be actuated (eg. pressed) by a player to provide input to a gaming controller, while tle lower lens may be configured to move with the upper teas during actuation. [0027] A first end 304a of the membrane 304 is retained within the lens 302 of the pus tton member 303 and moves with the push hutton ember303 when the push button member 303 is depressed-A second end 304b of the membrane 304 is attached to an underside portion of the bezel 134 and remains stationary The membrane 304is flexible and deforms slightly fro the sho wn orientation when the push button member 303 is depressed. The membrane 304 may be constructed and installed such thathe memribrane 304 biases the push button member 303 in the upper-most position in conjuntion with the upward force onthepush button member 303 provided by the spring 321. [0028] The first nd 304a of the membrane 304 has a cro-sctional Lshape and fis within a corresponding cross-sectional L-shaped recess 332 formed within the lens 302. The lens 302 may be formed from an upper lens 302a and a onwer lens 302b, as shown in ig. i Upper lens 302a and lower lens 302b may be joined together at lens joint 334 usig sonic welding or other joining technies after the frst end 304a of the mnenban 304 has been inserted into position as shown. Once the upper lens 302a and the lower lens 302b arcjoined togetherwith the first end 304a of the membrane 304 within the recess 332. thenembrane becomes permanently attached to the lens 302. The cross-sWetinal b-shape of the frst end 302a of the membrane 304 significantly reducesthe possibiiy that liquid or other contaminants wi gain access underneath 8the membrane 304 around the first endi 304a of the membrane 304 because those contaminants would have to travel up and around the frst end 304a within thereces 332. [0291 Membrane contact areas 336a and 336b on the upper and lower lens 302a and 302, respectively may also light compress the membrane afterthe upper andlower lens 302a and 302b have been joined together, This lght compressin by the contact areas 3a and 33h heps to retain the firs end 304a of the membrane within the lens 302 as wer as creating an effecve seal between the membrane 304 and the lns 302. [00301 The second end 304h of the membrane 304 is attached to the bottom portion of the ezel 314 as shown in ig. 5. When he inpn device is installd on a panel of he gaming machine 102(Fip. iK the second end 304b of the membrane 304 is pressed between the bottom portion of the bezel 314 and the panel 124 (Fig 1) This pressing of the second end 304b of the membrane 304 not only secures the second end 30Tb in place, but also creates a seal between the input device300 and the panel. A recess 315 fbmed in the bottom portion ofthe bezel314 creates an nterforence fit that further contributes to the retention of the second end 304b between the bezel 314 and the pane. [00311 Membrane 304 may be welded or otherise to upper portion of lens 302 and placed over bezel 314. Membrane 304 may be provided within a channel between the upper portion of lens 302 and a lower portion of lens 302 Membrane 304 may be configured to alow movement with actuation of the upper portion of lens 302. Membrane 304 may be in contact with the first and second sectin of outer housing 306. Membrane 304 may have a irst end 304a that moves with lens 302 during actuation and a second end 304b that remains Fixed during actuation, eg., pressed against the panel of the gaming machine. [00321 Figure 6 is an exploded vie of an input device accordance wi a described implementation. Outer housing 306 may include a first section that extends into an interior rgion of the electronic gaming machine. Outer housing 306 may include a second section that extends into an exterior of the eletrAnie gaming machine.
    [0033] Outer housing 306 may include a first section having a bottom wall.09. Bottom wall 309 may define an open space therein for receiving electrical contacts and locking assembly 308. Bottom wail 309 may include at least one upwardly extending side. Bottom wall 309 may also include a top surface connected to the at least one upwardly extending side. Locking assembly 308Hnay secure electrical contacts via inner housing 307 to outer housing 306. Locking assembly 308 may include one or more locking members, such as spiral ridges, projections, tabs, etc. that couple locking assembly 308 to outer housing 306. The projections may couple input device 300 to the panel. As shown in Figure 6, a threaded portion and a nut are components of the locking assembly. in another implementations, locking assembly 308 may include a snap fit, friction fit (press fit, fastener, adhesive, etc. Other appropriate locking assemblies may be used to couple the electrical contacts via inner housing 307 to outer housing 306, which couples the input device to a panel of the gaming device. [00341 In some implementations, outer housing 306 rmay include a first section having bottom wall 309. Bottom wall 309 may be engaged against a first side of a panel of a gaming machine. Outer housing 306 may include a second section having a top surface (not shown). The top suffce may be engaged against a second side of the panel A sufficient pressur/lamping force may be used to compress the membrane so the face of the panel is in contact to tfa ciontaminate-resistant seal. 10035, The constution and arrangement of the elements of the gures as shown in the exemplary embodimernts are illustrative only. Altough only a few embodiments of the present discnlsure have been described in detail those skilled in the art wno review this disclosurewill ready appreciate that many modifications are possible eg. variations in sizes. dimensions, structuresshapes and proportions ofthe various elements values of parameters, mounting arrangements, us of materials, colors, orientations, etc) without materialy departing from the novel teachings and advantages ofthe subject rnatter recited. For example elements shown as integrally formed may be construed of multiple parts or elements, The elements and assemblies may be constructed from any of a wide variety of materials that prvide sufficient stength ordurabilityn any of a wide variety of colors, textures, and combinations -i0 - Additionally in the subject description, the word "exemrplary" is used to mean serving as an example, instance or illustration. Any embodiment or design described herein as "exemplary is not necessarily to be constmed as preferred or advantageous over other embodiments or desgns. Rather, use of the word exemplary is intended to present concepts in a concrete manner. Accordingly, all such modifications are intended to be included within the scope of the present disclosure Other substitutionsmodifications, changes, ai omissions nay be made in the design, operating conditions, and arrangement of the preferred and other exemplary embodiments without departing from the scope of the appended claims. 10036} To provide for interacton with a user implementations of the subject matter described in this specification can be implemented on a computer having a display device egg, a CRT (cathode ray tube)i LD (qui crystal display) OLED (organic light emitting diode) T (thin-film transistor, Plasma, other flexible configuration, or any other monitor fordisplaying information to the user and a keyboard, a pointing device, eg, a mouse, irackball etc, or a touch screen, touch pad, et. by whichthe user can prove input to the compute. Other kinds of devices can be used to provide tor interaction with a user as well; for example, feedback provided to the user can be any form of sensory feedback, esg., visual feedback, auditory feedback, or tactil feedback; and input from the user can be received in any orr, indlding acoustic, speech, or tactile input. in addition, a computer can interact with a user by sending documents to and receiving documents from a device tha is used by the user; for example, by sending webpages to a web browser a a users client device i response to requests received from the web browser. [N37J While ths specificaton contains many specific implementation details, these should not be constred as limitations on the scope of any inventions or of what may be claimedbut rather as descriptions of features specific to particular implementations of particular inventions. Certain features that ar described in this speification in the context of separate implementations can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiplemnplementations separately or in any suitable subcombination. Moreover, although - 11 features may be described above as acting in certain combinations and even initially claimed a such, one or more features from a claimed combination can in some cases be exsed from the ombinationand the claimed combination may be directed to a subeombination or vacation of a subcombina tion n [00381 Thus, particular implementations ofthe subjeNt matter have been described. Other tmplemernations are within the scope of the following claims.
    权利要求:
    Claims (14)
    [1] 2. The electronic gaming machine of claim 1, wherein the tist section comprises a first surface and the first surface is engaged against the panel on the first side of the panel. 3, The electronic gaming machine of clan 1, wherein the second section comprises a second surface and the second surface is engaged against the panel on the second side of the paneir. 4 ihe electronic gaining machine of claim 1 wherein the membrane is disposed between the fst setion and the and the first side of the panel. . The electronic gang machine of claim 1 wherein the moveable member comprises a lens.
    [2] 6. Theeetronic gaming machine of claim 5, wherein the lens comprises an upper portion and a lower portion. '7. 'The eetronic gaming machine of claim 1, wherein the moveable member comprises a bezel
    [3] 8. The electronic gaming machine of claim wherein the membrane seals between the lens and the bezel
    [4] 9. The electronic gaming machine of caim 1 vwherein the membrane is configured to move with the actuation of the moveable member.
    [5] 10. An input device comprising: a push button member for providing an illuminated display; an inner housing comprising an inner wall portion and a bezel; an outer housing comprising a bottom~ wgial defining an open space therein for receiving electrical contacts; a lens mechanically coupled to the outer housing comprising an upper and a lower lens, wherein the upper lens is configured to be actuated by a player, via the push button member, to provide input to a gaming controller and the lower lens is configrured to move with the upper lens during actuation; and a flexible membrane attached to the upper lens and placed over the bezel, and is configured to impoede the entrance of foreign contaninates into the input device.
    [6] 11. The input device of claim 10, wherein the push button member is in a first position when a pushig force is not applied, and is linearly moved from the first position to a seond position when the pushing force is applied. ~14-
    [7] 12. 'The input device of claim 10, wherein the inner housing comprising the inner wal portion comprises a push button receiving chamber to siidably receive the push button member. 1 The input device of claim 10wherein the bottom wall comprises at least one upwardly extending side and a top surface connected to the at least one upwardly extending side.
    [8] 14. The input device or claim 10, further comprising: a locking assembly securing the elecrical conacts to the outer housing, wherein the locking, assembly comprises one or more locking members securing the locking assembly to the outer housing, wherein the locking members comprise-projections to couple the input device to a panel.
    [9] 15. Thke input device of claim 10, further comprising one or more engaging projections coupled to the electrical contacts to hold the innut device into place.
    [10] 16. The input device of claim 10, further comprising a bezel surrounding the upper lens, wherein the bezel eomprisets a sernsor.
    [11] 17. The input device of claim 10, further comprising electrical contacts mechanically coupled to contacts within the upper lens to receive input.
    [12] 18. The input device of claim 10, wherein the flexible membrane is provided within a channel between the upper and lower lerns to compress against an edge portion of the outer housing to create a liquid impervious seal.
    [13] 19. The input devic of claim 10, wherein the flexible membrane is configured to allow nmovement with the actuation of te upper lens and to provide feedback to the player during actuation. 1no-'e1 !o-h
    [14] 20. An input device comprising: a push button member for providing an illuminated display that is in a first position when a pushing force is not applied, and is linearly moved from the first position to second position when the pushing force is applied; an inner housing comprising an inner wall portion and a bezelyhereinthe inner nousing comprising the inner wail portion comprises a push button receiving chamber o slidabivreceive the push button member; an outer housing comprising a bottom wall defining an open space therein for receiving electrical contacts. wherein the bottom wall comprises at least one upwardly extending side and atop surface connected to the at least one upwardly extending side; a iocing assembly securing the electrical contacts to the outer housing, wherein the locking assembly comprises one or more locking members securing the locking amNbly to the outer housing, where the locking members comprise projections to couple the input device to a panel; one or more engaging projections coupled to the electrical contacts tohold the input device into place; a bezel surrounding the upper lenswherein the bezel comprises a sensor; electrical contacts mnechanicallly coupled to contacts within the upper lens to receive input; a lens mechanically coupled to the outer housing comprsing an upper and a lower lens, herein the upper lens is configured to be actuated by a player, via the push button members, to provide input to a gaming controller and the lower lens is configuared to move with the upper lens during actuation; and a flexible membrane attached to the upper lens and placed over the bezel and is configured to impede the entrance of foreign contanaintes into the input device, wherein the flexilemembrane ismprovided within a channel between theupper and lower lens to compress against an edge portion of the outer housing to create a liquid impervious seal - i6'
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    同族专利:
    公开号 | 公开日
    US9630102B2|2017-04-25|
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    AU2017201675B2|2018-05-17|
    EP2701127B1|2015-08-05|
    EP2701127A3|2014-03-19|
    US20150087420A1|2015-03-26|
    EP2701127A2|2014-02-26|
    US20140057727A1|2014-02-27|
    CA2824046C|2018-07-24|
    US8905847B2|2014-12-09|
    AU2017201675A1|2017-03-30|
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    US8772658B2|2011-11-03|2014-07-08|Ching-Hsiung Chu|Electrically conductive structure of micro switch|US7357848B2|2003-12-08|2008-04-15|Curtiss-Wright Flow Control Corporation|Deheader valve installation system and method|
    US10678371B2|2018-05-18|2020-06-09|Suzohapp America Llc|Dynamic display panel system containing push button assemblies|
    法律状态:
    2017-04-20| FGA| Letters patent sealed or granted (standard patent)|
    优先权:
    申请号 | 申请日 | 专利标题
    US13/594,400||2012-08-24||
    US13/594,400|US8905847B2|2012-08-24|2012-08-24|Input device with membrane to impede entrance of foreign contaminates into an electronic gaming machine|AU2017201675A| AU2017201675B2|2012-08-24|2017-03-10|Input device with membrane to impede entrance of foreign contaminates into an electronic gaming machine|
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