Method and device for processing a multi-channel measurement of magnetic fields
    1.
    发明授权
    Method and device for processing a multi-channel measurement of magnetic fields 有权
    用于处理多通道磁场测量的方法和装置

    公开(公告)号:US07463024B2

    公开(公告)日:2008-12-09

    申请号:US11220415

    申请日:2005-09-07

    CPC classification number: G01R33/02

    Abstract: A method and device by means of which an irrotational, sourceless vector field can be expressed by a number of physically reasonable basis vectors. In the method and device for processing a multi-channel measurement of magnetic fields of the present invention, measured signals can be unambiguously divided into signals of the irrotational, sourceless vector field that are caused by an interesting object or external interferences, as well as into a signal caused by the nonideality of the measuring device. The invention is based on the combining of two very fundamental mathematical regularities and applying in the processing of signal vectors of a multi-channel measuring device that measures an irrotational, sourceless vector field. The invention is based on the Maxwell's equations of an irrotational, sourceless vector field, as well as on the convergence characteristics of series developments.

    Abstract translation: 一种方法和装置,通过该方法和装置,非旋转的无源矢量场可以由多个物理上合理的基本矢量表示。 在本发明的用于处理多通道磁场测量的方法和装置中,测量信号可以被明确地划分为由有趣的对象或外部干扰引起的无旋转,无源矢量场的信号,以及 由测量装置的不合理性引起的信号。 本发明是基于两个非常基本的数学规律的组合,并且应用于测量非旋转无源矢量场的多通道测量装置的信号矢量的处理。 本发明是基于麦克斯韦方程的非旋转,无源矢量场,以及串联开发的收敛特性。

    Joint Structure Between the Wall Elements of a Magnetically Shielded Room
    2.
    发明申请
    Joint Structure Between the Wall Elements of a Magnetically Shielded Room 有权
    磁屏蔽室的墙元件之间的联结结构

    公开(公告)号:US20080050172A1

    公开(公告)日:2008-02-28

    申请号:US11659808

    申请日:2005-09-08

    CPC classification number: H05K9/0003 E04B2001/925 Y10T403/17 Y10T403/46

    Abstract: The present invention discloses a joint structure between the wall elements of a light-weight magnetically shielded room. In the joint structure, the end of the aluminum plate of the element is stepped and its surface roughened. In addition to this, the aluminum plate is coated, for example, with tin to improve the electrical contact. The joint includes μ metal plates which are used to make a magnetic contact between the μ metal plates of the elements. The compression force achieved by means of bolts is transmitted to the joint by means of an aluminum moulding. The non-continuous compression force is balanced over the entire joint area by using presser rubbers. The joint structure is protected by means of supporting profiles which are used to electrically couple the thinner aluminum plate of the sandwich type wall element to the thinner aluminum plate of an adjacent element. The thinner aluminum plate and the supporting profile can also be coated, for example, with tin to improve the contact.

    Abstract translation: 本发明公开了一种轻型磁屏蔽室的壁元件之间的接合结构。 在接头结构中,元件的铝板的端部是阶梯状的并且其表面变粗糙。 此外,铝板例如用锡涂覆以改善电接触。 接头包括用于在元件的mu金属板之间形成磁接触的mu金属板。 通过螺栓实现的压缩力通过铝成型体传递到接头。 通过使用压紧橡胶,非连续压缩力在整个接合区域平衡。 接头结构通过支撑轮廓来保护,所述支撑轮廓用于将夹层型壁元件的较薄铝板电连接到相邻元件的较薄铝板。 更薄的铝板和支撑轮廓也可以涂覆,例如用锡来改善接触。

    Method and Device For Interference Suppression in Electromagnetic Multi-Channel Measurement
    4.
    发明申请
    Method and Device For Interference Suppression in Electromagnetic Multi-Channel Measurement 有权
    电磁多通道测量中干扰抑制的方法和装置

    公开(公告)号:US20080294386A1

    公开(公告)日:2008-11-27

    申请号:US11912764

    申请日:2006-04-21

    CPC classification number: A61B5/04008 G01R33/025

    Abstract: The present invention recognises and eliminates from a biomagnetic measurement signal interferences whose source is disposed in the direct vicinity of an object being measured. The invention utilises the SSS method that can be used to separate from one another the signals associated with the internal and external sources of a set of measurement sensors by calculating two series developments. The sources to be examined in the invention and disposed in the so-called intermediate space produce a component to both of the developments, and can, therefore, be detected by means of an analysis to be performed in a time domain. This division into components can be made using the Principal Component Analysis (PCA), the Independent Component Analysis (ICA) or the Singular Value Decomposition. Finally, the clarified interferences in the intermediate space can be eliminated from the measured signal using, for example, the linear algebraic orthogonal projection.

    Abstract translation: 本发明识别和消除来自被测量物体直接附近的生物磁性测量信号干扰。 本发明利用SSS方法,通过计算两个系列开发,可以将彼此分离的与一组测量传感器的内部和外部源相关的信号相互分离。 在本发明中被检查并且设置在所谓的中间空间中的源产生两个开发的分量,因此可以通过在时域中执行的分析来检测。 可以使用主成分分析(PCA),独立分量分析(ICA)或奇异值分解来分解成分量。 最后,可以使用例如线性代数正交投影从测量信号中消除中间空间中的澄清的干扰。

    Testing a Receiver of Wireless Messaging Device
    5.
    发明申请
    Testing a Receiver of Wireless Messaging Device 审中-公开
    测试无线消息设备的接收器

    公开(公告)号:US20080274726A1

    公开(公告)日:2008-11-06

    申请号:US10586714

    申请日:2005-01-28

    Applicant: Juha Simola

    Inventor: Juha Simola

    CPC classification number: H04W24/06 H04W4/12 H04W24/00 H04W88/02

    Abstract: The invention relates to a method, system and computer program for testing a wireless messaging device in a mobile communication system. The invention comprises generating test signal which contains physical time-slots, at least one of which is allocated for transmission of system information from a base transceiver station of the mobile communication system to the messaging device; and positioning a synchronization sequence supported by the mobile communication system in a time-slot allocated for transmission of system information. The presented solution increases the average power of the signal part used in synchronization, shortening the time used for the synchronization and thus improving the performance of the test line.

    Abstract translation: 本发明涉及用于测试移动通信系统中的无线消息收发设备的方法,系统和计算机程序。 本发明包括产生包含物理时隙的测试信号,其中的至少一个被分配用于将系统信息从移动通信系统的基站收发站传送到消息收发设备; 以及将移动通信系统所支持的同步序列定位在为发送系统信息所分配的时隙中。 所提出的解决方案增加了同步使用的信号部分的平均功率,缩短了用于同步的时间,从而提高了测试线的性能。

    Method and system for processing a multi-channel measurement of magnetic fields
    6.
    发明申请
    Method and system for processing a multi-channel measurement of magnetic fields 有权
    用于处理多通道磁场测量的方法和系统

    公开(公告)号:US20060031038A1

    公开(公告)日:2006-02-09

    申请号:US11220415

    申请日:2005-09-07

    CPC classification number: G01R33/02

    Abstract: The invention relates to a method and device by means of which an irrotational, sourceless vector field can be expressed by a number of physically reasonable basis vectors as small as possible in such a manner that the measured signals can be unambiguously divided into signals of the irrotational, sourceless vector field that are caused by an interesting object or external interferences, as well as into a signal caused by the nonideality of the measuring device, which signal is not included in the model of the signal space describing an irrotational, sourceless vector field. The invention is based on the combining of two very fundamental mathematical regularities and applying in the processing of signal vectors of a multi-channel measuring device that measures an irrotational, sourceless vector field: on the Maxell's equations of an irrotational, sourceless vector field, as well as on the convergence characteristics of series developments.

    Abstract translation: 本发明涉及一种方法和装置,通过这种方法和装置,非旋转的无源矢量场可以由尽可能小的物理上合理的基本矢量表示,使得测量的信号可以被明确地划分为不旋转的信号 由有趣对象或外部干扰引起的无源矢量场,以及由测量装置的非均匀性引起的信号,该信号不包括在描述无旋转无源矢量场的信号空间的模型中。 本发明基于两种非常基本的数学规律的组合,并且在多通道测量装置的信号矢量的处理中应用,该多通道测量装置测量非旋转无源矢量场:在非旋转无源矢量场的Maxell方程上, 以及系列发展的融合特征。

    Analysis of multi-channel measurement data using orthogonal virtual channels
    7.
    发明授权
    Analysis of multi-channel measurement data using orthogonal virtual channels 有权
    使用正交虚拟通道分析多通道测量数据

    公开(公告)号:US08838225B2

    公开(公告)日:2014-09-16

    申请号:US11654029

    申请日:2007-01-17

    Abstract: The present invention introduces a method for processing multichannel measurement data achieved especially in MEG and EEG measurements. The method uses a signal space separation (SSS) method and the orthogonality of lead fields in order to calculate linear transformation from physical measurement channels to virtual channels. The geometry related to the measurement arrangement is dissipated and the number of virtual channels is clearly lower than the number of physical sensors. The concept of total information can be applied for such transformed measurement data due to orthogonality. The method offers simplified post-processing of the biomagnetic data, such as for source modelling. The total information can also be interpreted as a robust quantity describing the physiological state of a patient.

    Abstract translation: 本发明引入了一种用于处理特别在MEG和EEG测量中实现的多通道测量数据的方法。 该方法使用信号空间分离(SSS)方法和引导场的正交性,以计算从物理测量通道到虚拟通道的线性变换。 与测量装置相关的几何形状耗散,虚拟通道的数量明显低于物理传感器的数量。 由于正交性,总信息的概念可以应用于这种变换的测量数据。 该方法提供了生物磁数据的简化后处理,如源建模。 总信息也可以被解释为描述患者生理状态的鲁棒量。

    Joint structure between the wall elements of a magnetically shielded room
    8.
    发明授权
    Joint structure between the wall elements of a magnetically shielded room 有权
    磁屏蔽室的壁元件之间的接头结构

    公开(公告)号:US08253036B2

    公开(公告)日:2012-08-28

    申请号:US11659808

    申请日:2005-09-08

    CPC classification number: H05K9/0003 E04B2001/925 Y10T403/17 Y10T403/46

    Abstract: The present invention discloses a joint structure between the wall elements of a light-weight magnetically shielded room. In the joint structure, the end of the aluminum plate of the element is stepped and its surface roughened. In addition to this, the aluminum plate is coated, for example, with tin to improve the electrical contact. The joint includes μ metal plates which are used to make a magnetic contact between the μ metal plates of the elements. The compression force achieved by means of bolts is transmitted to the joint by means of an aluminum moulding. The non-continuous compression force is balanced over the entire joint area by using presser rubbers. The joint structure is protected by means of supporting profiles which are used to electrically couple the thinner aluminum plate of the sandwich type wall element to the thinner aluminum plate of an adjacent element. The thinner aluminum plate and the supporting profile can also be coated, for example, with tin to improve the contact.

    Abstract translation: 本发明公开了一种轻型磁屏蔽室的壁元件之间的接合结构。 在接头结构中,元件的铝板的端部是阶梯状的并且其表面变粗糙。 此外,铝板例如用锡涂覆以改善电接触。 接头包括用于在元件的μ金属板之间形成磁接触的μ金属板。 通过螺栓实现的压缩力通过铝成型体传递到接头。 通过使用压紧橡胶,非连续压缩力在整个接合区域平衡。 接头结构通过支撑轮廓来保护,所述支撑轮廓用于将夹层型壁元件的较薄铝板电连接到相邻元件的较薄铝板。 更薄的铝板和支撑轮廓也可以涂覆,例如用锡来改善接触。

    Method and device for interference suppression in electromagnetic multi-channel measurement
    9.
    发明授权
    Method and device for interference suppression in electromagnetic multi-channel measurement 有权
    电磁多通道测量中干扰抑制的方法和装置

    公开(公告)号:US07933727B2

    公开(公告)日:2011-04-26

    申请号:US11912764

    申请日:2006-04-21

    CPC classification number: A61B5/04008 G01R33/025

    Abstract: The present invention recognises and eliminates from a biomagnetic measurement signal interferences whose source is disposed in the direct vicinity of an object being measured. The invention utilises the SSS method that can be used to separate from one another the signals associated with the internal and external sources of a set of measurement sensors by calculating two series developments. The sources to be examined in the invention and disposed in the so-called intermediate space produce a component to both of the developments, and can, therefore, be detected by means of an analysis to be performed in a time domain. This division into components can be made using the Principal Component Analysis (PCA), the Independent Component Analysis (ICA) or the Singular Value Decomposition. Finally, the clarified interferences in the intermediate space can be eliminated from the measured signal using, for example, the linear algebraic orthogonal projection.

    Abstract translation: 本发明识别和消除来自被测量物体直接附近的生物磁性测量信号干扰。 本发明利用SSS方法,通过计算两个系列开发,可以将彼此分离的与一组测量传感器的内部和外部源相关的信号相互分离。 在本发明中被检查并且设置在所谓的中间空间中的源产生两个开发的分量,因此可以通过在时域中执行的分析来检测。 可以使用主成分分析(PCA),独立分量分析(ICA)或奇异值分解来分解成分量。 最后,可以使用例如线性代数正交投影从测量信号中消除中间空间中的澄清的干扰。

    METHOD FOR SEPARATING MULTICHANNEL SIGNALS PRODUCED BY AC AND DC SOURCES FROM ONE ANOTHER
    10.
    发明申请
    METHOD FOR SEPARATING MULTICHANNEL SIGNALS PRODUCED BY AC AND DC SOURCES FROM ONE ANOTHER 有权
    用于分离由其他来源的交流和直流源生成的多通道信号的方法

    公开(公告)号:US20090069661A1

    公开(公告)日:2009-03-12

    申请号:US10586448

    申请日:2005-01-19

    CPC classification number: A61B5/04007 A61B5/04008

    Abstract: The present invention relates to a novel manner of measuring DC fields using a multi-channel MEG or MKG measuring instrument; and on the other hand, to a manner of eliminating from the measurement result the interference signals caused by the DC currents. The invention combines the monitoring system of a testee's movement and the method for motion correction of the measured signals so that the signals produced by the DC currents of a moving testee's are visible in the final measurement result as a static signal component in a conventional MEG or MKG measurement. In that case, in the measurement, it is not necessary to beforehand prepare oneself for measuring the DC fields.

    Abstract translation: 本发明涉及使用多通道MEG或MKG测量仪器测量DC场的新颖方式; 另一方面,为了从测量结果中消除由DC电流引起的干扰信号。 本发明结合了被测者运动的监视系统和测量信号的运动校正方法,使得由移动被测者的DC电流产生的信号在最终测量结果中作为常规MEG中的静态信号分量可见,或 MKG测量。 在这种情况下,在测量中,不需要事先准备自己来测量DC场。

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