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    Glass membrane keyboard switch assembly for domestic appliance
    81.
    发明授权
    Glass membrane keyboard switch assembly for domestic appliance 失效
    家用电器玻璃薄膜键盘开关组合

    公开(公告)号：US4901074A

    公开(公告)日：1990-02-13

    申请号：US139919

    申请日：1987-12-31

    Applicant: Richard E. Sinn ,  Robert R. Williams

    Inventor： Richard E. Sinn ,  Robert R. Williams

    IPC: F24C7/08 ,  H01H13/702 ,  H01H13/703 ,  H01H13/785 ,  H01H13/80

    CPC classification number: H01H13/785 ,  F24C7/082 ,  H01H13/702 ,  H01H13/80 ,  H01H13/703 ,  H01H2201/008 ,  H01H2201/028 ,  H01H2207/016 ,  H01H2209/026 ,  H01H2209/038 ,  H01H2209/04 ,  H01H2209/06 ,  H01H2209/082 ,  H01H2209/084 ,  H01H2219/03 ,  H01H2227/002 ,  H01H2229/062 ,  H01H2231/012 ,  H01H2239/018

    Abstract: A keyboard switch assembly includes a thin, flexible, glass top layer forming a membrane. Disposed on an inner surface of the glass membrane is a first conductive layer forming an electrode. Disposed beneath the first conductive layer is an insulating layer or spacer having an aperture therein that defines a switch contact area. Beneath the spacer a rigid portion of the keyboard switch assembly is provided. The rigid portion of the keyboard switch assembly includes a rigid substrate with a conductive coating formed thereon to provide a second conductive layer or electrode disposed beneath the spacer. A flexible polymer layer may further be disposed between the rigid substrate and the second conductive layer to reduce point contact degradation in the keyboard switch assembly. Decorative paint layers may be formed on the inner surface of the glass membrane between the glass membrane and the first conductive layer. Alternatively, where the layers forming the keyboard switch assembly are transparent, a decorative paint layer may be disposed on an outer surface of the rigid substrate.

    Abstract translation: 键盘开关组件包括形成膜的薄的，柔性的玻璃顶层。 设置在玻璃膜的内表面上的是形成电极的第一导电层。 设置在第一导电层下面的是具有限定开关接触面积的孔的绝缘层或间隔物。 在隔板下方提供了键盘开关组件的刚性部分。 键盘开关组件的刚性部分包括其上形成有导电涂层的刚性基板，以提供设置在间隔件下方的第二导电层或电极。 柔性聚合物层可以进一步设置在刚性基板和第二导电层之间，以减少键盘开关组件中的点接触劣化。 可以在玻璃膜和第一导电层之间的玻璃膜的内表面上形成装饰漆层。 或者，形成键盘开关组件的层是透明的，装饰漆层可以设置在刚性基板的外表面上。

    Keyboard switch with graphic overlay
    82.
    发明授权
    Keyboard switch with graphic overlay 失效
    带有图形叠加的键盘开关

    公开(公告)号：US4314116A

    公开(公告)日：1982-02-02

    申请号：US161776

    申请日：1980-06-23

    Applicant: Herman B. Gordon

    Inventor： Herman B. Gordon

    IPC: H01H13/702 ,  H01H13/703 ,  H01H13/785 ,  H01H13/80 ,  H01H13/70

    CPC classification number: H01H13/785 ,  H01H13/702 ,  H01H13/80 ,  H01H13/703 ,  H01H2201/008 ,  H01H2201/026 ,  H01H2209/002 ,  H01H2211/00 ,  H01H2215/008 ,  H01H2217/024 ,  H01H2219/002 ,  H01H2219/028 ,  H01H2219/034 ,  H01H2223/034 ,  H01H2227/002 ,  H01H2229/028

    Abstract: A keyboard has first and second nested planar members with depressions formed thereon. The upper member is transparent. The lower member may be color coded and carry replaceable key indicia in the depressions.The laminated overlay nested planar members are disposed adjacent to a conventional elastomeric diaphragm switch assembly having an upper layer of shaped protrusions abutting the lower most inner surfaces of the second or lower member depressions. Frame structure of variable form assists in retaining the laminated overlay members in fixed relationship to the elastomeric diaphragm switch assembly.

    Abstract translation: 键盘具有在其上形成有凹陷的第一和第二嵌套平面构件。 上部构件是透明的。 下部构件可以是颜色编码的，并且在凹陷中携带可更换的关键标记。 层叠覆盖层嵌套平面构件邻近传统的弹性体膜片开关组件设置，其具有邻接第二或下部构件凹陷的最下面的内表面的成形突起的上层。 可变形式的框架结构有助于将层叠的覆盖构件保持固定关系到弹性体膜片开关组件。

    CONTACT DEVICE
    86.
    发明公开
    CONTACT DEVICE 有权
    KONTAKTVORRICHTUNG

    公开(公告)号：EP2690642A1

    公开(公告)日：2014-01-29

    申请号：EP12760418.9

    申请日：2012-03-09

    Applicant: Panasonic Corporation

    Inventor： YAMAMOTO, Ritsu ,  NISHIMURA, Tsukasa

    IPC: H01H50/54

    CPC classification number: H01H50/58 ,  H01H1/20 ,  H01H1/32 ,  H01H1/50 ,  H01H50/14 ,  H01H50/305 ,  H01H50/546 ,  H01H50/60 ,  H01H51/00 ,  H01H2201/008

    Abstract: Provided is a contact device in which all of three movable contacts can be securely brought into contact with fixed contacts. The contact device includes a fixed terminal 37 that has a fixed contact 35, a movable terminal 28 that moves toward and away from the fixed terminal 37 and has three movable contacts 31a, 31b, and 31c that are brought into contact with the fixed contact 35, and a pressing spring 33 that presses the movable terminal 28 and brings the movable contacts 31a, 31b, and 31c into contact with the fixed contacts 35 at a predetermined pressing force. The point of application of the pressing spring 33 is located in a triangle formed by internal tangents of the three movable contacts.

    Abstract translation: 提供了一种接触装置，其中所有三个可动触头都可以牢固地与固定触点接触。 接触装置包括具有固定触点35的固定端子37，朝向和远离固定端子37移动的可动端子28，并且具有与固定触头35接触的三个可动触头31a，31b和31c 以及按压可动端子28并使可动触头31a，31b，31c以预定的按压力与固定触头35接触的按压弹簧33。 按压弹簧33的施加点位于由三个可动触头的内切线形成的三角形中。

    Keyboard switch system
    90.
    发明公开
    Keyboard switch system 失效
    键盘开关系统

    公开(公告)号：EP0322514A3

    公开(公告)日：1990-09-12

    申请号：EP88115127.8

    申请日：1988-09-15

    Applicant: Hewlett-Packard Company

    Inventor： Spreadbury, Brian G. ,  Kinser, Ralph W., Jr.

    IPC: H01H13/70

    CPC classification number: H01H13/80 ,  H01H13/702 ,  H01H2201/008

    Abstract: A keyboard (10) is described including a rigid base member (12) with a pattern of depressions (14) in it, electrical circuitry (16) on a flexible support carried by the base member, and a plurality of domes (24) covering the circuitry. The electrical circuitry defines a plurality of open switches (17) in registry with the pattern of depressions in the base. The pattern of domes is in registry with the open switches. The underside of each dome includes a conductive surface which will complete a connection across a switch when the dome is de­pressed, whereby the switch circuitry is deflected downwardly into a depression in the base member.

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