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    • 1. 发明申请
    • Method and Apparatus for Inductively Measuring the Bio-Impedance of a User's Body
    • 用于感应测量使用者身体的生物阻抗的方法和装置
    • US20080221474A1
    • 2008-09-11
    • US11915750
    • 2006-05-16
    • Eberhard WaffenschmidtAndreas BrauersHarald ReiterRobert Pinter
    • Eberhard WaffenschmidtAndreas BrauersHarald ReiterRobert Pinter
    • A61B5/053
    • A61B5/053
    • The present invention relates to a method and apparatus (1) for inductively measuring the bio-impedance of a user's body. Furthermore the invention relates to a bed (2) comprising said apparatus (1). In order to provide a method and apparatus for spatially resolved inductively measuring the bio-impedance of a user's body without a complex circuitry, an apparatus (1) is suggested for inductively measuring the bio-impedance of a user's body, whereas the apparatus (1) comprises a number of first inductors (4), said first inductors (4) being adapted to induce an alternating magnetic field in the user's body and the apparatus (1) further comprises a number of second inductors (6), said second inductors (6) being adapted to measure a secondary magnetic field in the user's body, characterized in that each of the number of first inductors (4) overlaps at least one of the number of second inductors (6) to form a number of measuring areas (12, 25).
    • 本发明涉及用于电感测量使用者身体的生物阻抗的方法和装置(1)。 此外,本发明涉及包括所述装置(1)的床(2)。 为了提供用于空间分辨地感应地测量用户身体的生物阻抗而没有复杂电路的方法和装置,建议用于电感测量用户身体的生物阻抗的装置(1),而装置(1 )包括多个第一电感器(4),所述第一电感器(4)适于在用户体内诱发交变磁场,并且所述设备(1)还包括多个第二电感器(6),所述第二电感器 6)适于测量用户身体中的次级磁场,其特征在于,多个第一电感器(4)中的每一个与多个第二电感器(6)中的至少一个重叠以形成多个测量区域(12) ,25)。
    • 3. 发明申请
    • System and Method for Inductively Measuring the Bio-Impedance of a Conductive Tissue
    • 用于感应测量导电组织生物阻抗的系统和方法
    • US20080246472A1
    • 2008-10-09
    • US12065650
    • 2006-08-28
    • Claudia Hannelore IgneyEberhard WaffenschmidtAndreas BrauersJuergen Te Vrugt
    • Claudia Hannelore IgneyEberhard WaffenschmidtAndreas BrauersJuergen Te Vrugt
    • G01N27/90
    • A61B5/053
    • System and method of inductively measuring the bio-impedance of a conductive tissueThe present invention relates to a system (100) and method of inductively measuring the bio-impedance of a conductive tissue (106). Furthermore the invention relates to a computer program (115) for operating such a system (100). In order to provide a fast, simple and reliable adjustment technique for an inductively bio-impedance measuring system (100) with separate generator and sensor coils (101, 108; 117) a system (100) is suggested, the system (100) comprising a generator coil (101) adapted for generating a primary magnetic field, said primary magnetic field inducing an eddy current in the conductive tissue (106), a separate sensor coil (108; 117) adapted for sensing a secondary magnetic field, said secondary magnetic field being generated as a result of said eddy current, with the axis (109) of the sensor coil (108; 117) being orientated substantially perpendicular to the flux lines of the primary magnetic field (103), and a shimming coil (113; 120) adapted for generating a tertiary magnetic field in a way that in the sensor coil (108; 117) the primary magnetic field is cancelled out.
    • 感应测量导电组织的生物阻抗的系统和方法技术领域本发明涉及一种电感测量导电组织(106)的生物阻抗的系统(100)和方法。 此外,本发明涉及一种用于操作这种系统(100)的计算机程序(115)。 为了提供用于具有分离的发生器和传感器线圈(101,108; 117)的感应式生物阻抗测量系统(100)的快速,简单和可靠的调节技术,系统(100)包括 适于产生初级磁场的发生器线圈(101),所述初级磁场在所述导电组织(106)中引起涡流,适于感测次级磁场的独立传感器线圈(108; 117),所述次级磁 传感器线圈(108; 117)的轴线(109)被定向成基本上垂直于初级磁场(103)的磁通线,以及匀场线圈(113; 120),其适于以传感器线圈(108; 117)中的主磁场被抵消的方式产生三次磁场。
    • 5. 发明申请
    • Apparatus, a System and a Method for Enabling an Impedance Measurement
    • 装置,系统和使能阻抗测量的方法
    • US20080218180A1
    • 2008-09-11
    • US11995427
    • 2006-06-28
    • Eberhard WaffenschmidtClaudia IgneyAndreas Brauers
    • Eberhard WaffenschmidtClaudia IgneyAndreas Brauers
    • G01R27/04A61B5/053
    • A61B5/053A61B5/6804A61B5/6887G01R27/02
    • The invention relates to an apparatus (1) for impedance measurement of an external substance, said apparatus comprising a plurality of resonant circuits with respective coil elements (3a, 3b, 3c, 3d) and respective capacitive elements (5a, 5b, 5c, 5d), said resonant circuits operating at different resonant frequencies. The signals (S1, S2, S3, S4) from the resonant circuits are detected by an ampere meter (6). The power loss experienced by the resonant circuits due to an electromagnetic interaction with a conductive body is reflected in a change in the magnitude of respective signals. By detecting the signal (S1, S2, S3 or S4), the power loss by the resonant circuit is determined. The resonant circuit is preferably integrated into an insulating fabric carrier (2). The invention further relates to a vital sign measurement system and a method of enabling an impedance measurement.
    • 本发明涉及一种用于外部物质的阻抗测量的装置(1),所述装置包括具有相应线圈元件(3a,3b,3c,3c)的多个谐振电路以及各个电容元件(5a, 5 b,5 c,5 d),所述谐振电路以不同的谐振频率工作。 来自谐振电路的信号(S 1,S 2,S 3,S 4)由安培计(6)检测。 由于与导电体的电磁相互作用而由谐振电路所经历的功率损耗反映在各个信号的幅度的变化中。 通过检测信号(S 1,S 2,S 3或S 4),确定谐振电路的功率损耗。 谐振电路优选地集成到绝缘织物载体(2)中。 本发明还涉及一种能够进行阻抗测量的生命体征测量系统和方法。
    • 6. 发明申请
    • Wireless Powering Device, an Energiable Load, a Wireless System and a Method For a Wireless Energy Transfer
    • 无线供电装置,能量负载,无线系统和无线能量传输的方法
    • US20070222426A1
    • 2007-09-27
    • US11568473
    • 2005-04-28
    • Eberhard WaffenschmidtHarald ReiterCarsten DeppeGeorg SauerlanderBernd Ackermann
    • Eberhard WaffenschmidtHarald ReiterCarsten DeppeGeorg SauerlanderBernd Ackermann
    • H01F38/14
    • H01F38/14H02J5/005H02J7/025H02J50/12H02J50/80H02J50/90H02M3/337
    • A wireless resonant powering device 1 according to the invention comprises a first inductor winding 3, which is arranged to form a transformer 9 with the inductor winding 13 of the energizable load 11. The first inductor winding 3 is arranged to form a resonant circuit 5, which may comprise a suitable plurality of electric capacitances and coils. The components of the resonant circuit 5 are selected such that the magnetic energy received by the inductor winding 13 damps the energy flow in the resonant circuit so that the induced voltage in the inductor winding 13 is substantially constant and is independent of the magnetic coupling between the first inductor winding 3 and the inductor winding 13 at the operating frequency of the driving means 6. The resonant circuit is driven by the driving means 6, comprising a control unit 6c arranged to induce an alternating voltage between a first semiconductor switch 6a and a second semiconductor switch 6b. At the output of the transformer 9 an alternating voltage is generated, which is rectified to a DC-voltage by a diode rectifier, filtered by an output capacitance. The resonant circuit 5 is operable on its coupling independent point by the driving means 6. This figure schematically illustrates a situation, where a variable coupling between the first inductor winding 3 and the inductor winding 13 exists. The invention further relates to a wireless inductive powering device, an energizable load, a wireless system and a method for wireless power transfer.
    • 根据本发明的无线谐振供电装置1包括第一电感器绕组3,其被布置成与可激励负载11的电感器绕组13形成变压器9。 第一电感器绕组3被布置成形成谐振电路5,其可以包括适当的多个电容和线圈。 谐振电路5的组件被选择成使得由电感器绕组13接收的磁能阻止谐振电路中的能量流,使得电感器绕组13中的感应电压基本上是恒定的,并且独立于 第一电感绕组3和电感绕组13处于驱动装置6的工作频率。 谐振电路由驱动装置6驱动,包括布置成在第一半导体开关6a和第二半导体开关6b之间引起交流电压的控制单元6c。 在变压器9的输出端产生交流电压,其由二极管整流器整流为直流电压,由输出电容滤波。 谐振电路5可通过驱动装置6在其耦合独立点上操作。 该图示意性地示出了存在第一电感器绕组3和电感器绕组13之间的可变耦合的情况。 本发明还涉及无线感应供电装置,可激励负载,无线系统和无线电力传送方法。