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    • 23. 发明申请
    • METHOD FOR DETECTING AN INTRUSION IN PROTECTED AREA AND DEVICE FOR IMPLEMENTING THE SAME
    • 用于检测受保护区域中的侵入的方法和用于实现其的设备
    • WO1998005012A1
    • 1998-02-05
    • PCT/RU1997000109
    • 1997-04-10
    • KULAGIN, Nikolai PavlovichLEVIN, Alexandr IvanovichBADULIN, Viktor IvanovichMATJUNIN, Jury PlatonovichGUZENKO, Vladimir YakovlevichTARASOV, Jury Ivanovich
    • G08B13/00
    • G08B13/24
    • The present invention essentially relates to a method which comprises measuring an extremely low frequency electromagnetic field, wherein said field is excited by the intrusion of an object in a protected area. The voltage is then separated and an alarm signal is generated upon any change in the latter, said change resulting from a disturbance in the field during the unauthorised intrusion of an object having electrical loads. The device of the present invention comprises an electromagnetic-field sensitive member in the form of a functional amplifier (2), wherein said amplifier is surrounded by a deep negative connection and comprises open inverting as well as grounded non-inverting inputs. The input resistance at the inverting input of the functional amplifier (2) is higher than 10 Ohms. Low-frequency and high-frequency filters (4, 9) are serially connected to the output of the functional filter (2), while the output of the high-frequency filter (9) is connected to the input of a comparator (14) having its output connected to the input of a cascade (20) for generating an alarm signal.
    • 本发明基本上涉及一种方法,其包括测量极低频电磁场,其中所述场被物体在受保护区域中的入侵激发。 然后电压被分离,并且在后者的任何变化时产生报警信号,所述变化是由于在具有电负载的物体的未经授权的入侵期间的场中的干扰导致的。 本发明的器件包括功能放大器(2)形式的电磁场敏感部件,其中所述放大器被深负的连接包围,并且包括开路反相以及接地的非反相输入。 功能放大器(2)反相输入端的输入电阻高于10 12欧姆。 低频和高频滤波器(4,9)串联连接到功能滤波器(2)的输出,而高频滤波器(9)的输出端连接到比较器(14)的输入端, 其输出连接到用于产生报警信号的级联(20)的输入端。
    • 28. 发明申请
    • ELECTRONIC ARTICLE SURVEILLANCE TAG
    • 电子文章监督标签
    • WO2016177940A1
    • 2016-11-10
    • PCT/FI2016/050291
    • 2016-05-04
    • NOCCELA OY
    • MIETTINEN, Riku TapioTALVITIE, Heikki Tapani
    • G08B13/24E05B73/00G08B13/14
    • G08B13/24E05B73/0017G08B13/1463G08B13/2434G08B13/2448
    • The present invention relates to an electronic article surveillance tag (115) having an alarm function. The electronic article surveillance tag (115) comprises a body (205) having a first opening (210) for receiving a first pin (250) and a second opening (215) for receiving a second pin (260). The first opening (210) is provided with a first locking mechanism (405) for releasably locking the first pin (250) in the first opening (210) and the second opening (215) is provided with a second locking mechanism (410) for releasably locking the second pin (260) in the second opening (215). The present invention also relates to an alarm system (100) for a facility (105).
    • 本发明涉及具有报警功能的电子物品监视标签(115)。 电子物品监视标签(115)包括主体(205),其具有用于接收第一销(250)的第一开口(210)和用于接收第二销(260)的第二开口(215)。 第一开口(210)设置有第一锁定机构(405),用于将第一销(250)可释放地锁定在第一开口(210)中,并且第二开口(215)设置有第二锁定机构(410),用于 将第二销(260)可释放地锁定在第二开口(215)中。 本发明还涉及一种用于设施(105)的报警系统(100)。
    • 29. 发明申请
    • SENSOR SYSTEM FOR PROTECTION OF ARTWORKS AND OTHER VALUABLE OBJECTS
    • 用于保护艺术品和其他有价值物品的传感器系统
    • WO2014047078A1
    • 2014-03-27
    • PCT/US2013/060228
    • 2013-09-17
    • VOOTNER GOUSHE LLCELK PRODUCTS, INC.
    • RICHTER, Robert S.ANDERSON, William S.ROSSON, Joel C.STEELE, David C.
    • G08B13/24G08B13/181G01R33/02
    • G08B13/24G01R33/02G08B13/1436G08B13/149G08B29/183
    • Systems, devices, and methods are disclosed for securing a theft-susceptible movable object at a selected location. A security system is positioned at a selected location for protection of a theft-susceptible movable object. The security system includes a magnetic field source adapted to generate a magnetic field that is positionally-associated with a movable object. A monitoring device includes a magnetic sensor and is adapted for placement proximate to the selected location. The monitoring device is adapted to take one or more measurements of the magnetic field and to detect alteration in the measurements caused by movement of the magnetic field source relative to the monitoring device when the movable object is moved from the selected location. Upon detecting the alteration in the measurements of the magnetic field, the monitoring device is adapted to output an electronic warning signal indicating that the movable object has moved from the selected location.
    • 公开的系统,装置和方法用于将被盗窃的可移动物体固定在选定位置。 安全系统位于选定的位置,用于保护易窃取的可移动物体。 安全系统包括适于产生与可移动物体位置相关联的磁场的磁场源。 监测装置包括磁传感器并适于放置在靠近所选择的位置。 监测装置适于对磁场进行一次或多次测量,并且当可移动物体从所选择的位置移动时,检测由磁场源相对于监视装置的移动引起的测量结果。 在检测到磁场测量的改变时,监视装置适于输出指示可移动物体已经从所选位置移动的电子警告信号。