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    • 8. 发明专利
    • Access control system
    • 访问控制系统
    • JP2008041095A
    • 2008-02-21
    • JP2007203728
    • 2007-08-06
    • Skidata Agスキーデータ・アクチエンゲゼルシャフトSkidata Ag
    • PONERT GREGORGOLSER RUDOLF
    • G07B15/00H04B5/00
    • G06K7/10336G07C9/00111G07C9/02G07C9/025
    • PROBLEM TO BE SOLVED: To provide an access control system capable of surely reading a transponder for a short exchanging time. SOLUTION: An access control system with at least one entrance lane has two or more antenna coils (12 to 15) arranged in pairs mutually opposing each other. Each antenna coil pair (12, 13 or 14, 15) is actuated by a reading device (20) for reading out a transponder (22) carried by the user, the transponder (22) having a transponder coil (24) coupleable with the antenna coils (12 to 15). The two mutually opposing antenna coils (12, 13 or 14, 15) of a pair are actuated at the same time, but alternately either in an in-phase or anti-phase operation mode. The one operation mode with which the transponder is detected, for reading out the transponder carried by the user, is maintained until the reading transaction is completed. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够在短时间内可靠地读取应答器的访问控制系统。 解决方案:具有至少一个入口通道的访问控制系统具有彼此相对设置的成对配置的两个或更多个天线线圈(12至15)。 每个天线线圈对(12,13或14,15)由用于读出用户承载的应答器(22)的读取装置(20)致动,所述应答器(22)具有应答器线圈(24),所述应答器线圈 天线线圈(12〜15)。 一对的两个相互对置的天线线圈(12,13或14,15)同时被激励,但是交替地以同相或反相操作模式。 检测到应答器用于读出用户携带的应答器的一种操作模式被保持直到读取事务完成。 版权所有(C)2008,JPO&INPIT