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    • 3. 发明授权
    • Radio frequency identification tag arranged for magnetically storing tag state information
    • 射频识别标签布置用于磁性存储标签状态信息
    • US06252508B1
    • 2001-06-26
    • US09432894
    • 1999-11-02
    • Victor Allen VegaNoel H. Eberhardt
    • Victor Allen VegaNoel H. Eberhardt
    • G08B1314
    • G06K19/07788G06K7/0008G06K7/10326G06K19/0723G06K19/07749
    • A radio frequency identification tag system (10) utilizes a radio frequency identification tag (16) that includes stored tag information. The tag includes an antenna element (30) and a common electrode (28). The antenna element electrostatically receives an exciter signal (34) from a proximately-located electrostatic exciter (12). Upon receiving the exciter signal, the tag becomes energized, thereby causing it to generate a read signal (36) based on the stored tag information. The antenna element then electrostatically sends the read signal to a proximately-located reader (14), which detects the stored tag information. In addition, exactly one of the tag common electrode and the tag antenna element is arranged to magnetically store tag state information. The tag state information represents exactly one state of two possible states and is read by a proximately-located magnetic reader (18).
    • 射频识别标签系统(10)利用包括存储的标签信息的射频识别标签(16)。 标签包括天线元件(30)和公共电极(28)。 天线元件静电地接收来自位置靠近的静电激励器(12)的激励信号(34)。 在接收到激励器信号时,标签变得通电,从而使其根据存储的标签信息产生读取信号(36)。 天线元件然后静电地将读取的信号发送到位于附近的读取器(14),该读取器检测存储的标签信息。 此外,标签公共电极和标签天线元件中的正好一个被布置成磁性地存储标签状态信息。 标签状态信息恰好代表两种可能状态的一个状态,并由位于附近的磁性读取器(18)读取。
    • 5. 发明授权
    • Illumination-panel for liquid crystal display of similar device
    • 照明面板用于类似设备的液晶显示
    • US4043636A
    • 1977-08-23
    • US600979
    • 1975-08-01
    • Noel H. EberhardtRon F. Keller
    • Noel H. EberhardtRon F. Keller
    • G02F1/13357G04G9/00G02F1/13
    • G02F1/133615G04G9/0041
    • An illumination panel for the enhancement of image brightness of a liquid crystal display for a watch or similar device is disclosed. The panel has an internal light source with a suitably shaped and reflectorized coating to substantially direct internal and external light in the desired direction. More particularly, a transparent layer or member with an internal light source mounted at one end is selectively coated with a metallic reflecting material to reflect light from the internal source and from external sources through a crosshatched surface or a matte finished window on the surface of the member. The window may be defined by the reflectorized coating. The member is mounted adjacent to the exterior surface of the bottom substrate of the liquid crystal display. Diffused light is transmitted from the internal light source of the illumination panel through the bottom substrate of the display.
    • 公开了一种用于提高手表或类似装置的液晶显示器的图像亮度的照明面板。 面板具有内部光源,其具有适当形状和反射的涂层,以在期望的方向上基本上引导内部和外部光。 更具体地,具有安装在一端的内部光源的透明层或构件被选择性地涂覆有金属反射材料,以反射来自内部源的光和来自外部源的光通过交叉阴影表面或无光泽的完成窗口 会员。 窗口可以由反射涂层限定。 该构件安装在液晶显示器的底部基板的外表面附近。 扩散光从照明面板的内部光源通过显示器的底部基板传输。
    • 6. 发明授权
    • Method and apparatus for an optimized circuit for an electrostatic radio
frequency identification tag
    • 用于静电射频识别标签的优化电路的方法和装置
    • US6147605A
    • 2000-11-14
    • US151568
    • 1998-09-11
    • Victor Allen VegaJohn H. RolinNoel H. Eberhardt
    • Victor Allen VegaJohn H. RolinNoel H. Eberhardt
    • G06K19/07G06K19/077G08B13/14
    • G06K19/07788G06K19/0723G06K19/07749
    • A radio frequency identification tag (100) in accordance with the present invention includes a first antenna element (112), a second antenna element (114) and a radio frequency identification circuit (116). The first antenna element (112) is electrically isolated from the second antenna element (114). The radio frequency identification circuit has a first pad (230) and a second pad (232). The first and second pads of the radio frequency identification circuit are coupled, respectively, to the first and second antenna elements. The radio frequency identification circuit includes a load modulation circuit (222) coupled to at least one of the first or second pads to produce a load modulated signal on at least one of the first or second pads that varies from a first amplitude to a second amplitude. The load modulation circuit has a modulation impedance and a predetermined voltage threshold that an input signal must exceed before the modulated signal is produced. The first and second pads of the integrated circuit have an input capacitance as measured between them. The modulation impedance, voltage threshold, and pad capacitance are optimized for electrostatic radio frequency identification applications. Alternatively, a modulation circuit is not coupled to the first and second antenna elements and is instead coupled through a third pad with a third electrostatic antenna element for data transmission. Also, electronic article surveillance (EAS) is alternatively provided with the radio frequency identification circuit and is alternatively, selectively defeated.
    • 根据本发明的射频识别标签(100)包括第一天线元件(112),第二天线元件(114)和射频识别电路(116)。 第一天线元件(112)与第二天线元件(114)电隔离。 射频识别电路具有第一焊盘(230)和第二焊盘(232)。 射频识别电路的第一和第二焊盘分别耦合到第一和第二天线元件。 射频识别电路包括耦合到第一或第二焊盘中的至少一个焊盘的负载调制电路(222),以在从第一幅度到第二幅度变化的第一或第二焊盘中的至少一个上产生负载调制信号 。 负载调制电路具有在产生调制信号之前输入信号必须超过的调制阻抗和预定电压阈值。 集成电路的第一和第二焊盘具有在它们之间测量的输入电容。 调制阻抗,电压阈值和焊盘电容针对静电射频识别应用进行了优化。 或者,调制电路不耦合到第一和第二天线元件,而是通过第三垫与第三静电天线元件耦合用于数据传输。 此外,电子物品监视(EAS)备选地设置有射频识别电路,或者选择性地被击败。
    • 7. 发明授权
    • Reader system for waste bin pickup vehicles
    • 垃圾捡拾车读卡器系统
    • US5565846A
    • 1996-10-15
    • US312199
    • 1994-09-26
    • Theodore D. GeiszlerNoel H. EberhardtRussel E. WalkerHerbert P. Radding
    • Theodore D. GeiszlerNoel H. EberhardtRussel E. WalkerHerbert P. Radding
    • B65F1/14B65F3/02G06K7/08G08G13/14
    • G06K7/10178B65F1/1484G06K7/10336B65F2003/023B65F2210/124
    • A reader for radio frequency identification tags having at least one magnetic field transmitting and receiving coil which is oriented in a given plane and which is responsive to a received magnetic exciter field of a first frequency to produce and radiate an identifying magnetic field comprised of a carrier at a second different frequency modulated by an identifying code. The reader comprises a first circuit for producing a radio frequency signal of the first frequency; a first magnetic field coupling arrangement connected to the output of said first circuit for producing a corresponding exciter field at the first frequency to be magnetically coupled to the receiving coil of the tag, with the first magnetic field coupling arrangement including a solenoidal exciter coil having at least one wound exciter winding and a longitudinal axis disposed substantially perpendicular to the plane of the tag coil; a second magnetic field coupling arrangement for receiving a magnetic field of the second frequency produced by the tag and providing a corresponding electrical signal, with the second magnetic field coupling arrangement including at least one receiver coil disposed adjacent one end of the solenoidal coil; and circuitry connected to the receiver coil for decoding the received electrical signal. Preferably the tag is disposed on the lid of a trash or waste bin with the tag coil being substantially horizontal and the axis of the exciter coil is disposed substantially vertically.
    • 一种用于射频识别标签的读取器,其具有至少一个磁场发射和接收线圈,该磁场发射和接收线圈定向在给定平面中,并且响应于接收到的第一频率的磁激励器场来产生和辐射包括载体的识别磁场 在由识别码调制的第二不同频率处。 读取器包括用于产生第一频率的射频信号的第一电路; 第一磁场耦合装置,其连接到所述第一电路的输出端,用于产生第一频率的相应的激励器场,以磁性耦合到标签的接收线圈,第一磁场耦合装置包括一个螺线管励磁线圈, 至少一个绕线激励器绕组和基本上垂直于所述标签线圈的平面设置的纵向轴线; 第二磁场耦合装置,用于接收由标签产生的第二频率的磁场并提供对应的电信号,第二磁场耦合装置包括邻近螺线管线圈的一端设置的至少一个接收器线圈; 以及连接到接收器线圈的电路,用于对所接收的电信号进行解码。 优选地,标签设置在垃圾箱或垃圾箱的盖上,标签线圈基本上是水平的,并且激励器线圈的轴线基本垂直地设置。