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    IMPROVED PUSHBUTTON LOCK
    1.
    发明授权
    IMPROVED PUSHBUTTON LOCK 有权
    按钮CASTLE

    公开(公告)号：EP1117886B1

    公开(公告)日：2004-03-10

    申请号：EP99950073.9

    申请日：1999-09-30

    申请人： GE Interlogix, Inc.

    发明人： BURLEIGH, Charles, E. ,  LARSON, Wayne, F.

    IPC分类号： E05B37/16

    CPC分类号： E05B37/16 ,  E05B37/0003 ,  Y10T70/5788 ,  Y10T70/7215 ,  Y10T70/722 ,  Y10T70/7424

    摘要： Various enhancements are provided to a pushbutton lock to enhance its security. One is the provision of button tips that are mounted on the ends of the button assemblies and spring-loaded to protrude from the face of the lock, regardless of whether the underlying button is 'in' or 'out'. By this arrangement, a bystander cannot readily see the button combination by the pattern of depressed buttons. This arrangement also reduces tactile feedback between the underlying button assembly and the externally available button tips, increasing resistance to pick attacks. A further enhancement is the provision of button bars between adjacent pairs of button tips. Whenever any of the button tips is manually depressed, the corresponding button bar is pressed into engagement with, and prevents movement of, a member that must be moved in order to unlock the lock. This arrangement further increases lock security by preventing an attacker from experimentally pressing buttons and judging the tactile effect thereon in attempted unlockings of the lock.

    Improved pushbutton lock
    2.
    发明公开
    Improved pushbutton lock 无效
    Drucktastenschloss

    公开(公告)号：EP1357244A1

    公开(公告)日：2003-10-29

    申请号：EP03015399.3

    申请日：1999-09-30

    申请人： GE Interlogix, Inc.

    发明人： Burleigh, Charles E. ,  Larson, Wayne F.

    IPC分类号： E05B37/16

    CPC分类号： E05B37/16 ,  E05B37/0003 ,  Y10T70/5788 ,  Y10T70/7215 ,  Y10T70/722 ,  Y10T70/7424

    摘要： Various enhancements are provided to a pushbutton lock to enhance its security. One is the provision of button tips that are mounted on the ends of the button assemblies and spring-loaded to protrude from the face of the lock, regardless of whether the underlying button is "in" or "out". By this arrangement, a bystander cannot readily see the button combination by the pattern of depressed buttons. This arrangement also reduces tactile feedback between the underlying button assembly and the externally available button tips, increasing resistance to pick attacks. A further enhancement is the provision of button bars between adjacent pairs of button tips. Whenever any of the button tips is manually depressed, the corresponding button bar is pressed into engagement with, and prevents movement of, a member that must be moved in order to unlock the lock. This arrangement further increases lock security by preventing an attacker from experimentally pressing buttons and judging the tactile effect thereon in attempted unlockings of the lock.

    摘要翻译： 提供了对按钮锁的各种增强以增强其安全性。 一个是提供安装在按钮组件的端部上的按钮尖端，并且弹簧加载以从锁的表面突出，而不管下面的按钮是否处于“进入”或“向外”。 通过这种布置，旁观者不能通过按下按钮的图案容易地看到按钮组合。 这种布置还减少了底层按钮组件和外部可用的按钮尖端之间的触觉反馈，增加了对拾取攻击的抵抗力。 进一步的增强是在相邻的按钮尖端对之间设置纽扣杆。 每当任何按钮提示被手动按压时，相应的按钮条被压入与必须被移动的构件的啮合并防止移动以解锁锁定。 这种布置通过防止攻击者实验地按下按钮并且在尝试解锁锁定时判断其触觉效果，进一步增加了锁的安全性。

    LOCK BOX SECURITY SYSTEM WITH IMPROVED COMMUNICATION
    4.
    发明公开
    LOCK BOX SECURITY SYSTEM WITH IMPROVED COMMUNICATION 审中-公开
    具有完善的通讯领带盒安全系统

    公开(公告)号：EP1502181A1

    公开(公告)日：2005-02-02

    申请号：EP02731590.2

    申请日：2002-04-30

    申请人： GE Interlogix, Inc.

    发明人： KUENZI, Adam ,  LANGFORD, Susan ,  CHAPIN, Ron ,  BUCKLEY, John ,  BELLAMY, Dirk, L. ,  DIEDERICH, Anton, K.

    IPC分类号： G06F7/04

    CPC分类号： G07C9/00309 ,  G07C9/00896 ,  G07C2009/00785

    摘要： Security systems and methods control access at remote locations protected by electronic locks (120). Users open or otherwise manipulate an electronic lock (120) via an electronic key device (114). The electronic key device (114) may be an open architecture PDA programmed to function as an electronic key device, while retaining its general-purpose PDA functionality. Alternatively, the electronic key device (114) may be a special-purpose device designed to function as an electronic key device. The key device (114) and the lock box (120) communicate with each other, preferably, by infrared techniques. The lock box (120) and the key device (114) are administered by a central authority via a central computer, which coordinates all security measures through the use of , e.g. frequent updates; tokens that the key device cannot read; checksums, including Message Authentication Codes; and encryption. A plurality of key devices (114) may be programmed to open the same lock box (120). A key device (114) may open a plurality of lock boxes.