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    • 52. 发明申请
    • Wide Exit/Entrance Electronic Article Surveillance Antenna System
    • 宽出口/入口电子文章监控天线系统
    • US20090045954A1
    • 2009-02-19
    • US12223770
    • 2006-02-21
    • Stewart E. HallRichard L. CopelandWilliam Farrell
    • Stewart E. HallRichard L. CopelandWilliam Farrell
    • G08B13/14
    • H01Q1/2208G08B13/2474H01Q1/007H01Q7/00H01Q7/06
    • An electronic article surveillance antenna system with wide interrogation zones has a number of core transceiver antennas with each connectable to a transmitter. The core transceiver antennas are adapted to be installed adjacent a ceiling of the wide interrogation zone and generate an interrogation signal into the wide interrogation zone. The core transceiver antennas each are connectable to a receiver to receive and detect a response signal from an electronic surveillance marker disposed in the wide interrogation zone. The system also has transceiver antenna coils with each connectable to the transmitter and adapted to be installed adjacent a floor of the wide interrogation zone. The transceiver antenna coils generate the interrogation signal into the wide interrogation zone and each is also connectable to the receiver to receive and detect the response signal from the electronic surveillance marker disposed in the wide interrogation zone.
    • 具有广泛询问区的电子物品监控天线系统具有多个核心收发天线,每个天线可连接到发射机。 核心收发天线适于安装在广泛询问区的天花板附近,并在广泛讯问区产生询问信号。 核心收发天线各自可连接到接收器,以接收和检测来自设置在广泛询问区域中的电子监视标记的响应信号。 该系统还具有收发器天线线圈,每个线圈可连接到发射器,并适于安装在广泛询问区的地板附近。 收发天线线圈产生询问信号到广泛询问区,并且每个也可连接到接收机,以接收和检测来自设置在广泛询问区域的电子监视标记的响应信号。
    • 54. 发明授权
    • Techniques for tuning an antenna to different operating frequencies
    • 将天线调谐到不同工作频率的技术
    • US07202790B2
    • 2007-04-10
    • US10917752
    • 2004-08-13
    • Richard L. CopelandGary Mark Shafer
    • Richard L. CopelandGary Mark Shafer
    • G08B13/14
    • H01Q1/22G06K19/0726G06K19/07749G06K19/07786H01Q1/2225H01Q9/28Y10T29/49016
    • Techniques for tuning an antenna to different operating frequencies are described. An apparatus includes a security tag with a substrate having a surface, a lead frame to mount on the surface and connect to an antenna, and an integrated circuit to connect to the lead frame. The antenna may be disposed on the surface, and may comprise a first antenna portion and a second antenna portion. The first antenna portion may connect to the first side and the second antenna portion may connect to the second side. The antenna may be tuned to an operating frequency by modifying a first length for the first antenna portion and a second length for the second antenna portion after the antenna portions are disposed on the surface. Each portion has a first antenna end and a second antenna end, the first antenna end to connect to the lead frame, and the first antenna portion may form an inwardly spiral pattern from the integrated circuit in a first direction, and the second antenna portion may form an inwardly spiral pattern from the integrated circuit in a second direction. Other embodiments are described and claimed.
    • 描述了将天线调谐到不同工作频率的技术。 一种装置包括具有表面的基板的安全标签,安装在表面上并连接到天线的引线框以及连接到引线框的集成电路。 天线可以设置在表面上,并且可以包括第一天线部分和第二天线部分。 第一天线部分可以连接到第一侧,并且第二天线部分可以连接到第二侧。 在天线部分设置在表面上之后,可以通过修改第一天线部分的第一长度和第二天线部分的第二长度来将天线调谐到工作频率。 每个部分具有第一天线端部和第二天线端部,第一天线端部连接到引线框架,并且第一天线部分可以沿着第一方向从集成电路形成向内螺旋形图案,并且第二天线部分可以 在第二方向上从集成电路形成向内螺旋图案。 描述和要求保护其他实施例。
    • 55. 发明授权
    • Wide exit electronic article surveillance antenna system
    • 宽出口电子物品监控天线系统
    • US07091858B2
    • 2006-08-15
    • US10341824
    • 2003-01-14
    • Richard L. CopelandStewart HallWilliam Farrell
    • Richard L. CopelandStewart HallWilliam Farrell
    • G08B13/14
    • H01Q1/2216G06K7/10336G08B13/2474H01Q1/22H01Q7/00H01Q7/08H01Q21/24
    • An electronic article surveillance antenna system for wide exit interrogation zones is provided. In a first aspect, a first and a second transmit antenna, each adapted for installation on opposite sides of a wide interrogation zone. A third transmit antenna is adapted for installation adjacent the ceiling of the wide interrogation zone. The first, second, and third transmit antennas are connectable to a transmitter for generation of an interrogation signal for transmission into the wide interrogation zone. A plurality of amorphous core receiver antennas are adapted for installation in the grout region of a floor of the wide interrogation zone. The output of each of the plurality of amorphous core receiver antennas are connectable to a receiver for detection of a response signal from an electronic article surveillance tag disposed in the wide interrogation zone. The response signal is responsive to the interrogation signal. The plurality of amorphous core receiver antennas can be configured in a plurality of orthogonal pairs of amorphous core receiver antennas. In a second aspect, the transmit antennas are loop antennas and the receiver is comprised of a plurality of amorphous core receivers adapted for installation on opposite sides and the ceiling of the wide entrance.
    • 提供了用于宽出口询问区的电子物品监控天线系统。 在第一方面,一种第一和第二发射天线,每个天线适于安装在广泛讯问区的相对两侧。 第三个发射天线适于安装在广泛询问区的天花板附近。 第一,第二和第三发射天线可连接到发射机,用于产生询问信号以传输到广泛讯问区。 多个非晶核接收天线适于安装在宽询问区的地板的灌浆区域中。 多个无定形核心接收机天线中的每一个的输出可连接到用于检测来自设置在广泛询问区域中的电子物品监视标签的响应信号的接收器。 响应信号响应询问信号。 多个非晶核接收机天线可以配置在多个正交非对称核心接收机天线对中。 在第二方面,发射天线是环形天线,并且接收器由适于安装在宽入口的相对侧和天花板上的多个非晶核心接收器组成。
    • 59. 发明授权
    • Method and apparatus for activating magnetomechanical EAS markers while
preventing formation of demagnetization field
    • 用于激活磁力机械EAS标记同时防止形成退磁场的方法和装置
    • US6020817A
    • 2000-02-01
    • US745829
    • 1996-11-12
    • Richard L. CopelandMing R. Lian
    • Richard L. CopelandMing R. Lian
    • G08B13/24H01F13/00G08B13/187
    • G08B13/2408G08B13/2411G08B13/2434G08B13/2437G08B13/244G08B13/2442
    • A two-dimensional array of magnetomechanical markers is adhered to a continuous web. A magnetizer element is scanned across the web to magnetize the bias elements in a group of the markers with a first polarity, thereby activating the group of markers. The web is then advanced and the magnetizer is scanned across the web in an opposite direction to the previous scan, to magnetize the bias elements of a second group of the markers with a second polarity, thereby activating the second group of markers. The web is slit in a longitudinal direction to produce web-strips each carrying a column of the activated markers. The web-strips are rolled to form marker roll assemblies each having about half the bias elements magnetized with a first polarity and the remaining bias elements magnetized with an opposite polarity. The roll of activated markers forms no more than a minimal "leakage" magnetic field.
    • 磁性机械标记的二维阵列被粘附到连续的幅材上。 磁化元件被扫描穿过网,以一组标记物以第一极性的方式磁化偏置元件,从而激活标记组。 网状物然后前进,并且磁化器沿着与先前扫描相反的方向跨网幅扫描,以第二极性磁化第二组标记物的偏置元件,由此激活第二组标记。 纤维网在纵向方向上切割以产生每个带有活化标记柱的纤维网条。 网带被卷起以形成标记辊组件,每个辊组件具有以第一极性磁化的约一半的偏置元件,并且以相反极性被磁化的剩余偏置元件。 激活的标记物卷形成不超过最小的“泄漏”磁场。