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    Tamper credential
    2.
    发明授权
    Tamper credential 有权

    公开(公告)号：US09734366B2

    公开(公告)日：2017-08-15

    申请号：US14772901

    申请日：2014-03-14

    申请人： ASSA ABLOY AB

    发明人： Randall Dennis Bousfield ,  Sylvain Jacques Prevost ,  Michael Lawrence Davis ,  David Edward Andresky ,  Toby Mark Padilla

    IPC分类号： H04Q5/22 ,  G06K7/10 ,  G07C9/00 ,  G06K19/077

    CPC分类号： G06K7/10267 ,  G06K7/10257 ,  G06K19/07798 ,  G07C9/00031 ,  G07C9/00119

    摘要： Readers are associated with a number of access credentials and, once authenticated by the reader, may grant the holder of the access credential access to a secured asset. Readers may become the target of attack, such as when an unauthorized party attempts to gain access to the interior of the reader or removes the reader from an installed location. Once removed the reader may be reinstalled in another location or a counterfeit reader used in its place. By providing a paired tamper credential, the reader may deny otherwise authorized access to the secured asset if the tamper credential fails to respond appropriately. The tamper credential may fail to respond due to distance, such as when the reader alone is relocated, or the tamper credential is damaged, such as during an attempt to gain access the interior of the reader and/or remove the reader from its installed location.

    ANTI-PASSBACK ALGORITHM FOR READING A PUBLIC OR SECURE OBJECT
    3.
    发明申请
    ANTI-PASSBACK ALGORITHM FOR READING A PUBLIC OR SECURE OBJECT 有权
    用于阅读公共或安全对象的反传统算法

    公开(公告)号：US20160092666A1

    公开(公告)日：2016-03-31

    申请号：US14866417

    申请日：2015-09-25

    申请人： Assa Abloy AB

    发明人： Toby Mark Padilla ,  David Edward Andresky ,  Bryan Stephen Holloway ,  Kieran Wingfield ,  Michael Margraf

    IPC分类号： G06F21/34 ,  G06F21/32 ,  H04B5/00 ,  G06F21/62

    CPC分类号： G06F21/34 ,  G06F21/32 ,  G06F21/6245 ,  G07C9/00111 ,  G07C9/00309 ,  G07C2209/08 ,  H04B5/0062

    摘要： An anti-passback algorithm for an access control system is described. The anti-passback algorithm prevents the use of valid credentials to gain access to an access-controlled area by more than one person within a given period of time. The algorithm is capable of distinguishing between credentials intentionally presented to the access control system and credentials that are unintentionally read by the access control system. Certain variables may be set by the access control system manufacturer or a trusted individual to adapt the algorithm for applications.

    摘要翻译： 描述了用于访问控制系统的反回传算法。 反传递算法防止在给定的时间段内使用有效的凭据来访问多个人的访问控制区域。 该算法能够区分有意地呈现给访问控制系统的凭证和由访问控制系统无意地读取的凭证。 某些变量可以由访问控制系统制造商或信任的个体设置，以适应应用的算法。