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    • 4. 发明授权
    • Metal detector for production and packaging lines
    • 金属探测器生产和包装线
    • US09494539B2
    • 2016-11-15
    • US14449221
    • 2014-08-01
    • Mettler-Toledo Safeline Ltd.TNA Australia Pty Limited
    • Daren ButterworthAlfred Alexander TaylorDarren Ken Alchin
    • G01N27/72G01R33/12G01N27/02G01V3/10G01R27/26
    • G01N27/023G01N27/02G01R27/267G01R33/1215G01V3/10G01V3/107
    • A metal detector (420) has a metallic enclosure (421) with entrance and exit apertures (430, 431) whose cross-sectional areas differ from each other. Inside the enclosure is a coil system with a transmitter coil (423) and first and second receiver coils (424, 425). The apertures and the coil system enclose a detection zone (428) around a travel path on which objects under inspection move. The asymmetric detection zone has a variable cross-section along the travel path and the coils differ in size from each other. The receiver coils are connected in series, but their windings are wired with the opposite sense of rotation relative to each other. Energizing the transmitter coil generates a primary electromagnetic field that induces a first voltage and a second voltage in the corresponding receiver coils. Despite the asymmetry, the respective voltages cancel each other when no metal is present in the object investigated.
    • 金属检测器(420)具有带有入口和出口孔(430,431)的金属外壳(421),横截面积彼此不同。 外壳内部是具有发射线圈(423)和第一和第二接收线圈(424,425)的线圈系统。 孔和线圈系统围绕被检查物体移动的行进路径围绕检测区域(428)。 不对称检测区域沿着行进路径具有可变的横截面,并且线圈的尺寸彼此不同。 接收器线圈串联连接,但它们的绕组以相对于彼此的相反旋转方向布线。 激励发射器线圈产生主要电磁场,其在相应的接收器线圈中引起第一电压和第二电压。 尽管不对称,当所研究的物体中没有金属存在时,各个电压彼此抵消。
    • 5. 发明申请
    • MEDICAL DEVICE POSITION LOCATION SYSTEMS, DEVICES AND METHODS
    • 医疗设备位置系统,设备和方法
    • US20160245766A1
    • 2016-08-25
    • US15048837
    • 2016-02-19
    • NOSTIX, LLC
    • Peter E. NELSONRobert D. ZELLERSCharles W. HENRY
    • G01N27/02
    • G01N27/023A61B5/042A61B5/06A61B5/062
    • Methods, devices and systems for three-dimensional location of the disposition of a sensor coil in a subject including are disclosed. The systems include an array of three or more triplet or quadruplet drive coil sets, at least one moveable sensor coil configured to be disposed in a subject and to provide one or more sensor coil response signals responsive to the respective electromagnetic wave fields, a receiving component configured to control drive signals to the array of drive coil sets and to measure sensor coil response signals from the moveable sensor coil, and a processor is configured to determine a sensor coil disposition in the subject relative to said triplet or quadruplet drive coil sets. The receiving component provides a modified drive signal to maximize or optimize the generated respective electromagnetic wave fields, or the one or more sensor coil response signals.
    • 公开了一种用于在被检体中设置传感器线圈的三维位置的方法,装置和系统。 所述系统包括三个或更多个三重或四联驱动线圈组的阵列,至少一个可移动的传感器线圈,被配置为设置在被摄体中并且响应于各个电磁波场提供一个或多个传感器线圈响应信号;接收部件 被配置为控制驱动信号到驱动线圈组的阵列并且测量来自可移动传感器线圈的传感器线圈响应信号,并且处理器被配置为相对于所述三元组或四极驱动线圈组确定对象中的传感器线圈布置。 接收组件提供经修改的驱动信号以最大化或优化所生成的各个电磁波场或一个或多个传感器线圈响应信号。
    • 7. 发明申请
    • Coil for Magnetic Induction to Tomography Imaging
    • 线圈用于磁导入层析成像
    • US20150241373A1
    • 2015-08-27
    • US14191941
    • 2014-02-27
    • Kimberly-Clark Worldwide, Inc.
    • Joseph R. Feldkamp
    • G01N27/02H01F27/28H01F27/30
    • G01N27/023A61B5/0522A61B5/4566H01F7/20H01F27/2823H01F27/2871H01F27/303
    • A coil for facilitating magnetic induction tomography imaging of a specimen, such as a human tissue specimen, using a single coil is provided. The coil can include a plurality of concentric conductive circular loops. The concentric conductive loops can be connected in series with connection traces without allowing the connection traces to distort the fields produced by the plurality of concentric conductive circular loops. The plurality of concentric conductive loops can be arranged in multiple planes (e.g. on a multilayer printed circuit board) as a two layer stack. The spacing between the planes or the plane separation distance can be selected such that mathematically the plurality of conductive loops can be treated as being located in a common plane for purposes of a quantitative analytical model used for magnetic induction tomography imaging.
    • 提供了一种用于促进使用单个线圈的诸如人体组织样本的样本的磁感应层析成像的线圈。 线圈可以包括多个同心的导电圆环。 同心导电环可以与连接迹线串联连接,而不允许连接迹线扭曲由多个同心导电圆形环产生的场。 多个同心导电回路可以布置在多层平面(例如,在多层印刷电路板上)作为两层堆叠。 可以选择平面之间的间隔或平面间隔距离,使得在数学上可以将多个导电回路处理为位于公共平面中,以用于用于磁感应层析成像的定量分析模型。
    • 8. 发明授权
    • Measuring arrangement for determining electrical conductivity of a measured liquid
    • 用于确定测量液体的电导率的测量装置
    • US08981795B2
    • 2015-03-17
    • US13349719
    • 2012-01-13
    • Manfred JagiellaMarco Völker
    • Manfred JagiellaMarco Völker
    • G01R27/28G01R27/04G01R27/08G01N27/06G01N27/02G01R27/22
    • G01N27/06G01N27/023G01N27/025G01R27/22
    • A measuring arrangement for determining electrical conductivity of a measured liquid, comprising: a container, in which the measured liquid is accommodated, a gradiometer arrangement, comprising an exciter coil, a first receiving coil and a second receiving coil, wherein the first and the second receiving coils are arranged symmetrically relative to the exciter coil, and a measurement circuit embodied to excite the exciter coil for producing an alternating magnetic field passing through the first receiving coil, the second receiving coil and the measured liquid. The receiving coils are influenced in different manner by the magnetic field induced by the alternating magnetic field in the measured liquid and directed counter to the alternating magnetic field. The measurement circuit is furthermore embodied to register an electrical signal of the receiving coils and to derive from such the electrical conductivity of the liquid.
    • 一种用于确定测量液体的导电性的测量装置,包括:容纳测量液体的容器,包括激励器线圈,第一接收线圈和第二接收线圈的梯度计装置,其中第一和第二 接收线圈相对于励磁线圈对称地布置,并且实施为激励激励线圈以产生通过第一接收线圈,第二接收线圈和测量液体的交变磁场的测量电路。 接收线圈受到被测液体中的交变磁场感应的磁场的不同影响,并且与交变磁场相反。 此外,测量电路体现为对接收线圈的电信号进行寄存并从这种液体的导电性推导出来。
    • 9. 发明授权
    • Conductivity sensor with switching between transmitting and receiving coil
    • 电感传感器,在发射和接收线圈之间切换
    • US08581575B2
    • 2013-11-12
    • US12801557
    • 2010-06-15
    • Andreas EberheimThomas NagelAndre ThiemeHendrik Zeun
    • Andreas EberheimThomas NagelAndre ThiemeHendrik Zeun
    • G01R33/12
    • G01N27/023G01N27/74
    • An inductively working sensor for determining the conductivity of a liquid medium. The sensor includes: at least one transmitting circuit, which is designed to deliver an input signal for a transmitting coil, in order to produce in the transmitting coil an alternating electromagnetic field, which causes a ring-shaped electrical current in the liquid medium; at least one receiving circuit, which is designed to evaluate a received signal produced by the ring-shaped electrical current in a receiving coil; a first coil; a second coil, which is arranged at a distance from the first coil; a switching means for switching between a first switch state and a second switch state, wherein, in the first switch state, the first coil, serving as transmitting coil, is coupled with one of the transmitting circuits; and the second coil, serving as receiving coil, is coupled with one of the receiving circuits, and wherein, in the second switch state, the second coil, serving as transmitting coil, is coupled with one of the transmitting circuits, and the first coil, serving as receiving coil, is coupled with one of the receiving circuits.
    • 一种感应工作传感器,用于确定液体介质的导电性。 该传感器包括:至少一个发射电路,其被设计成输送用于发射线圈的输入信号,以便在发射线圈中产​​生交变电磁场,该电磁场引起液体介质中的环形电流; 至少一个接收电路,其被设计为评估由接收线圈中的环形电流产生的接收信号; 第一线圈; 第二线圈,其布置成距离所述第一线圈一定距离; 用于在第一开关状态和第二开关状态之间切换的切换装置,其中,在所述第一开关状态下,用作所述发送线圈的所述第一线圈与所述发送电路中的一个耦合; 并且用作接收线圈的第二线圈与接收电路之一耦合,并且其中,在第二开关状态下,用作发射线圈的第二线圈与发射电路中的一个耦合,并且第一线圈 作为接收线圈,与其中一个接收电路耦合。
    • 10. 发明申请
    • TOMOGRAPHY OF MULTIPHASE MIXTURES
    • 多相混合物的TOMOGRAPHY
    • US20130144548A1
    • 2013-06-06
    • US13691435
    • 2012-11-30
    • SCHLUMBERGER TECHNOLOGY CORPORATIO
    • CHENG-GANG XIE
    • G01R27/00G06F15/00
    • G01R27/00G01F1/56G01F1/60G01F1/74G01N27/023G01N33/2823G06F15/00
    • A tomography system for determining properties of flowing multiphase fluid, comprising a duct having a duct wall and interior space within the duct wall for carrying a flow of the multiphase fluid and a plurality of sensors, which are electrodes or coils, at positions distributed around the duct wall on a planar cross section through the duct, wherein the sensors (electrodes or coils) are used for making a plurality of measurements of electrical or magnetic properties through the duct wall and the multiphase fluid; and a processor is used to receive measurement data from the sensors and to compute from the measured properties to derive quantitative values of at least one property selected from permittivity, conductivity, magnetic permeability and complex-conductivity of the multiphase fluid independent of effects external to the fluid flow, such as effects of the duct walls and the geometry of the positioning of the sensors (electrodes or coils).
    • 一种用于确定流动的多相流体的性质的断层摄影系统,包括具有管道壁和管道壁内的内部空间的管道,用于承载多相流体的流动,以及作为电极或线圈的多个传感器, 通过管道的平面横截面上的管道壁,其中传感器(电极或线圈)用于通过管道壁和多相流体进行多个电或磁特性的测量; 并且处理器用于从传感器接收测量数据,并根据测量的性质计算出从多相流体的介电常数,导电率,磁导率和复电导率中选出的至少一种性质的定量值,而与 流体流动,例如管道壁的影响和传感器(电极或线圈)的定位的几何形状。