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    • 51. 再颁专利
    • Impedance blocking filter circuit
    • USRE39432E1
    • 2006-12-19
    • US10355897
    • 2003-01-30
    • Frederick J. Kiko
    • Frederick J. Kiko
    • H04M1/24H04M1/00H04M9/00H04M11/00
    • H03G7/00H03G11/00H03H7/06H03H7/1766H03H7/427H03H2001/005H04M11/062
    • An impedance blocking filter circuit is provided for use in telecommunication systems for interconnecting between incoming telephone lines and customer's terminal equipment so as to unconditionally block impedances above 20 KHz due to the customer's terminal equipment from an ADSL network unit and/or home networking interface unit. The filter circuit includes first, second, and third inductors connected in series between a first input terminal and a first common point. A first resistor has its one end connected also to the first common point and its other end connected to a first output terminal. Fourth, fifth and sixth inductors are connected in series between a second input terminal and a second common point. A second resistor has its one end also connected to the second common point and its other end connected to a second output terminal. A capacitor has its ends connected across the first and second common points. In other aspects, the filter circuit also includes switching means for eliminating shunt additive capacitance and/or correction circuit means reducing significantly return loss. An impedance blocking filter circuit is provided for use in telecommunication systems for interconnecting between incoming telephone lines and customer's terminal equipment so as to block impedances above a desired frequency range due to the customer's terminal equipment from a DSL network unit and/or home networking interface unit. In one exemplary embodiment, the filter circuit includes first, second, and third inductors connected in series between a first input terminal and a first common point. A first resistor has its one end connected also to the first common point and its other end connected to a first output terminal. Fourth, fifth and sixth inductors are connected in series between a second input terminal and a second common point. A second resistor has its one end also connected to the second common point and its other end connected to a second output terminal. A capacitor has its ends connected across the first and second common points. In other configurations, the filter circuit also includes switching means for eliminating shunt additive capacitance and/or correction circuit means reducing significantly return loss.
    • 52. 发明授权
    • Controlled induction device and method of manufacturing
    • 受控感应装置及其制造方法
    • US07057486B2
    • 2006-06-06
    • US10000877
    • 2001-11-14
    • Frederick J. Kiko
    • Frederick J. Kiko
    • H01F17/06
    • H01F27/292H01F3/10H01F17/043H01F19/08H01F27/38H01F2027/297
    • A dual-core inductive device having one or more core elements and a sleeve adapted to fit over the core element(s). The device is significantly less expensive to produce than prior art transformers having similar characteristics. In one exemplary embodiment, the device includes two cylindrical cores forming a first (end) gap used to adjust the device's differential inductance independent of its common mode inductance. Similarly, a second gap is provided to adjust the device's common mode (leakage) inductance independent of its differential inductance. The substantially independent control afforded by these gaps allows for devices to be designed to simultaneously meet different sets of requirements; e.g., signal-path specifications and longitudinal inductance requirements. Methods for manufacturing the device(s), and telecommunications filter and splitter circuit applications, are also disclosed.
    • 一种具有一个或多个芯体元件的双芯电感器件和适于安装在芯元件上的套管。 与具有相似特性的现有技术的变压器相比,该装置的制造成本显着降低。 在一个示例性实施例中,该器件包括形成用于独立于其共模电感而调节器件的差分电感的第一(端)间隙的两个圆柱形芯。 类似地,提供第二间隙以独立于其差动电感来调节器件的共模(漏电感)电感。 由这些间隙提供的基本独立的控制允许设备被设计成同时满足不同的要求; 例如信号路径规格和纵向电感要求。 还公开了用于制造设备的方法以及电信滤波器和分离器电路应用。
    • 53. 发明授权
    • Controlled inductance device and method
    • 控制电感器件及方法
    • US07009482B2
    • 2006-03-07
    • US10381062
    • 2002-09-17
    • Frederick J. KikoCharles Watts
    • Frederick J. KikoCharles Watts
    • H01F27/02
    • G05F7/00H01F38/023
    • Improved inductive apparatus having controlled core saturation which provides a desired inductance characteristic with low cost of manufacturing. In one embodiment, a pot core having a variable geometry gap is provided. The variable geometry gap allows for a “stepped” inductance profile with high inductance at low dc currents, and a lower inductance at higher dc currents, corresponding for example to the on-hook and off-hook states of a Caller ID function in a typical telecommunications line. In other embodiments, single- and multi-spool drum core devices are disclosed which use a controlled saturation element to allow for selectively controlled saturation of the core. Exemplary signal conditioning circuits (e.g., dynamically controlled low-capacitance DSL filters) using the aforementioned inductive devices are disclosed, as well as cost-efficient methods of manufacturing the inductive devices.
    • 具有受控的磁芯饱和度的改进的感应装置,其以低制造成本提供期望的电感特性。 在一个实施例中,提供具有可变几何间隙的罐芯。 可变几何间隙允许在低直流电流下具有高电感的“阶梯式”电感分布,以及在较高直流电流下的较低电感,例如对应于典型的来电显示功能的挂机状态和摘机状态 电讯线。 在其他实施例中,公开了使用受控饱和元件以允许芯的选择性受控饱和的单卷轴和多卷轴鼓芯装置。 公开了使用上述感应装置的示例性信号调理电路(例如,动态控制的低电容DSL滤波器)以及制造感应装置的成本有效的方法。
    • 58. 发明授权
    • Self leaded surface mounted coplanar header
    • 自引导表面安装共面头
    • US5212345A
    • 1993-05-18
    • US825148
    • 1992-01-24
    • Aurelio J. Gutierrez
    • Aurelio J. Gutierrez
    • H01F27/29
    • H01F27/292
    • A self leaded header for surface mounting of a circuit element to a PC board comprises a generally box-like support body having a cavity for mounting a circuit element, the support body having a base and a plurality of feet extending downward from the base for supporting the same on a PC board, a plurality of lead support members having a generally spool configuration extending generally horizontally outward from the support body adjacent the base, an inductance coil mounted in the cavity, and a lead extending from the coil to and wound multiple turns around each of the lead support members and disposed for surface bonding to a PC board.
    • 用于将电路元件表面安装到PC板的自引导头部包括具有用于安装电路元件的空腔的通常为盒状的支撑体,所述支撑体具有基部和从底部向下延伸的多个脚,用于支撑 在PC板上相同的多个引线支撑构件具有大体上的线轴构造,其大致水平地从邻近基座的支撑体向外延伸,安装在空腔中的电感线圈以及从线圈延伸并绕过多圈的引线 围绕每个引线支撑构件并且被布置用于表面结合到PC板。