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    • 3. 发明申请
    • AN ACCESS CONTROL DEVICE AND METHODS OF USING SAME
    • 一种访问控制装置及其使用方法
    • WO2007146972A2
    • 2007-12-21
    • PCT/US2007/071064
    • 2007-06-13
    • 3M INNOVATIVE PROPERTIES COMPANYSCHLÜTER, DietrichHAJOK, Johann, G.SCHOENE, StefanDENTER, Friedrich, Wilhelm
    • SCHLÜTER, DietrichHAJOK, Johann, G.SCHOENE, StefanDENTER, Friedrich, Wilhelm
    • E02D29/1427
    • An access control device (10) for a manhole cover having a lid (12) and a frame (14) adapted to accommodate the lid (12) is attachable to at least one of the lid (12) and the frame (14) in the area covered by the lid (12) and has an antenna (16) adapted to receive external signals, and a connection to a remote security control unit. Also provided is a method of using an access control device with a sender, such as a transponder, to emit signals received by the antenna. Also provided is a method of providing a manhole cover having a lid and a frame adapted to accommodate the lid with an access control device by preparing an access control device having an antenna adapted to receive external signals; attaching the access control device to at least one of the lid and the frame in an area covered by the lid; positioning the antenna proximate to the lid; and connecting the access control device to a remote security control unit.
    • 用于具有盖(12)和适于容纳盖(12)的框架(14)的人孔盖的入口控制装置(10)可附接到盖(12)和框架(14)中的至少一个上 由盖(12)覆盖的区域并具有适于接收外部信号的天线(16)以及与远程安全控制单元的连接。 还提供了一种使用具有诸如应答器之类的发送器的访问控制装置发射由天线接收的信号的方法。 还提供了一种提供具有盖子和框架的人孔盖的方法,该框架适于通过准备具有适于接收外部信号的天线的访问控制装置来容纳具有访问控制装置的盖子; 在所述盖子覆盖的区域内,将所述门禁控制装置安装在所述盖子和框架中的至少一个上; 将天线定位在盖子附近; 并将访问控制装置连接到远程安全控制单元。
    • 5. 发明申请
    • AN ACCESS CONTROL DEVICE AND METHODS OF USING SAME
    • 一种访问控制装置及其使用方法
    • WO2007146972A3
    • 2009-08-06
    • PCT/US2007071064
    • 2007-06-13
    • 3M INNOVATIVE PROPERTIES COSCHLUETER DIETRICHHAJOK JOHANN GSCHOENE STEFANDENTER FRIEDRICH WILHELM
    • SCHLUETER DIETRICHHAJOK JOHANN GSCHOENE STEFANDENTER FRIEDRICH WILHELM
    • E02D29/14E03F5/02E05B49/00
    • E02D29/1427
    • An access control device (10) for a manhole cover having a lid (12) and a frame (14) adapted to accommodate the lid (12) is attachable to at least one of the lid (12) and the frame (14) in the area covered by the lid (12) and has an antenna (16) adapted to receive external signals, and a connection to a remote security control unit. Also provided is a method of using an access control device with a sender, such as a transponder, to emit signals received by the antenna. Also provided is a method of providing a manhole cover having a lid and a frame adapted to accommodate the lid with an access control device by preparing an access control device having an antenna adapted to receive external signals; attaching the access control device to at least one of the lid and the frame in an area covered by the lid; positioning the antenna proximate to the lid; and connecting the access control device to a remote security control unit.
    • 用于具有盖(12)和适于容纳盖(12)的框架(14)的人孔盖的入口控制装置(10)可附接到盖(12)和框架(14)中的至少一个上 由盖(12)覆盖的区域并具有适于接收外部信号的天线(16)以及与远程安全控制单元的连接。 还提供了一种使用具有诸如应答器之类的发送器的访问控制装置发射由天线接收的信号的方法。 还提供了一种提供具有盖子和框架的人孔盖的方法,该框架适于通过准备具有适于接收外部信号的天线的访问控制装置来容纳具有访问控制装置的盖子; 在所述盖子覆盖的区域内,将所述门禁控制装置安装在所述盖子和框架中的至少一个上; 将天线定位在盖子附近; 并将访问控制装置连接到远程安全控制单元。