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    MRT-VORRICHTUNG ZUR VERMESSUNG ZUMINDEST EINES TEILBEREICHS EINES KOPFES
    1.
    发明公开
    MRT-VORRICHTUNG ZUR VERMESSUNG ZUMINDEST EINES TEILBEREICHS EINES KOPFES 审中-公开

    公开(公告)号：EP3349029A1

    公开(公告)日：2018-07-18

    申请号：EP17151488.8

    申请日：2017-01-13

    申请人： Sirona Dental Systems GmbH

    发明人： Niederführ, Tilman ,  Stöckl, Klaus ,  Abkai, Ciamak ,  Scheibl, Guido ,  Ulrici, Johannes

    IPC分类号： G01R33/28 ,  G01R33/38 ,  A61B5/055

    CPC分类号： A61B5/0555 ,  G01R33/28 ,  G01R33/307 ,  G01R33/38

    摘要： Die Erfindung betrifft eine MRT-Vorrichtung (1) zur Vermessung zumindest eines Teilbereichs (2) eines Kopfes (3) eines Patienten (4), umfassend mindestens eine Hauptmagnetfeldeinheit (5) und mindestens eine Patientenöffnung (6). Die MRT-Vorrichtung (1) weist dabei einen Patientensitz (7) auf, wobei der Patientensitz (7) Verstellmittel (10) aufweist, die durch mindestens ein Antriebsmittel (11) angetrieben werden, welches mittels einer Steuerungseinheit (12) angesteuert wird, um den Patientensitz (7) in die Patientenöffnung (6) entlang einer Fahrkurve (13) bis zu einer Aufnahmeposition (14) hineinzufahren, in der der Kopf (3) des Patienten (4) zumindest teilweise in einem Aufnahmebereich (15) der MRT-Vorrichtung (1) angeordnet ist, wobei am Patientensitz (7) ein relativ zum Patientensitz (7) verstellbares Element (16, 17) angebracht ist, wobei mittels einer Detektorvorrichtung (18) an der MRT-Vorrichtung (1) eine Lage des verstellbaren Elements (16, 17) relativ zur Hauptmagnetfeldeinheit (5) und/oder relativ zum Patientensitz (7) automatisch ermittelt wird.

    VERFAHREN ZUM HERSTELLEN EINER VORRICHTUNG MIT EINER DREIDIMENSIONALEN MAGNETISCHEN STRUKTUR
    2.
    发明公开
    VERFAHREN ZUM HERSTELLEN EINER VORRICHTUNG MIT EINER DREIDIMENSIONALEN MAGNETISCHEN STRUKTUR 审中-公开

    公开(公告)号：EP3234968A1

    公开(公告)日：2017-10-25

    申请号：EP15816399.8

    申请日：2015-12-11

    申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

    发明人： LISEC, Thomas ,  QUENZER, Hans-Joachim ,  REIMER, Tim

    IPC分类号： H01F41/04 ,  B81C1/00 ,  H01F41/16 ,  H01F41/30

    CPC分类号： H01F1/06 ,  B81B2201/034 ,  B81B2201/042 ,  B81C1/00126 ,  B81C2201/0188 ,  G01R33/38 ,  G01R33/3802 ,  G02B26/085 ,  G02B26/101 ,  H01F10/08 ,  H01F21/06 ,  H01F41/046 ,  H01F41/16 ,  H01F41/301 ,  H01F41/32 ,  H01F2007/068 ,  H02K15/02 ,  H02K33/16

    摘要： The invention relates to a method for producing a device (120) having a three-dimensional magnetic structure (132), comprising a step of applying magnetic particles (130) onto or into a carrier element (122), wherein a plurality of hollow spaces that are at least partially connected to one another are formed between the magnetic particles, and wherein the magnetic particles are brought into contact with one another at contact points. The method also comprises a step of joining the magnetic particle at the contact points by coating the assembly formed by magnetic particles and the carrier element, wherein the hollow spaces are penetrated at least partially by the layer generated by the coating. The device comprises a conductor loop assembly (124) on the carrier element or a further carrier element, such that in the event of a current flow through the conductor loop assembly (1), an inductivity of the conductor loop assembly is altered by the three-dimensional magnetic structure, or (2) a force acts on the three-dimensional magnetic structure or the conductor loop assembly via a magnetic field generated by the current flow, or (3) in the event of a change of position of the three-dimensional magnetic structure, a current flow is induced via the conductor loop assembly.

    摘要翻译： 本发明涉及一种用于制造具有三维磁结构（132）的装置（120）的方法，包括将磁性颗粒（130）施加到载体元件（122）上或载体元件（122）中的步骤，其中多个空腔 至少部分彼此连接的所述磁性颗粒形成在所述磁性颗粒之间，并且其中所述磁性颗粒在接触点处彼此接触。 该方法还包括通过涂覆由磁性颗粒和载体元件形成的组件而在接触点处接合磁性颗粒的步骤，其中，中空空间至少部分地被涂层产生的层穿透。 该装置包括在载体元件或另一载体元件上的导体环组件（124），使得在电流流过导体环组件（1）的情况下，导体环组件的感应性被三个 或（2）力通过由电流产生的磁场作用于三维磁结构或导体环组件，或（3）在三维磁结构的位置改变的情况下， 通过导体环组件引起电流流动。

    MAGNETIC HEAD FOR BANKNOTE DETECTION
    4.
    发明公开
    MAGNETIC HEAD FOR BANKNOTE DETECTION 审中-公开
    磁头比尔学分

    公开(公告)号：EP2916295A1

    公开(公告)日：2015-09-09

    申请号：EP13851737.0

    申请日：2013-10-30

    申请人： Jiangsu MultiDimension Technology Co. Ltd

    发明人： DEAK, James Geza ,  LIU, Mingfeng ,  BAI, Jianming ,  ZHU, Min

    IPC分类号： G07D7/04 ,  G01R33/09

    CPC分类号： G07D7/04 ,  G01N27/90 ,  G01R15/20 ,  G01R33/0283 ,  G01R33/09 ,  G01R33/091 ,  G01R33/38 ,  G11C19/085

    摘要： The present invention discloses a magnetic currency verification head comprising a magneto resistive sensor chip (41), and a magnetic bias unit (45) disposed on the side of the magneto resistive sensor chip (41) away from the detection surface (40) of the magnetic currency verification head, and separated from the magnetoresistive sensor chip (41); the magnetoresistive sensor chip (41) comprises a bridge circuit wherein the bridge arms are magnetic sensor elements; the sensitive direction (49) of the magnetic sensor elements is parallel to the detection surface (40) of the magnetic currency verification head ; and the magnetic bias unit (45) has a recessed structure; the recessed structure is configured such that the magnetic field generated by the magnetic bias unit (45) only has a small magnetic field component in the direction parallel to the detection surface (40), thereby enabling the magnetic sensor elements to operate in their linear range. As a result, the magnetic currency verification head has high sensitivity and signal-to-noise ratio.

    MEANS AND METHODS FOR PROVIDING HIGH RESOLUTION MRI
    7.
    发明公开
    MEANS AND METHODS FOR PROVIDING HIGH RESOLUTION MRI 审中-公开
    手段与方法用于提供高分辨率MRI

    公开(公告)号：EP2382490A2

    公开(公告)日：2011-11-02

    申请号：EP10731114.4

    申请日：2010-01-13

    申请人： Aspect Magnet Technologies Ltd.

    发明人： RAPOPORT, Uri

    IPC分类号： G01V3/00

    CPC分类号： A61B5/055 ,  G01R33/38 ,  G01R33/3806 ,  G01R33/381 ,  G01R33/5617 ,  G01R33/56554 ,  G01R33/56563 ,  G01R33/56581 ,  G01R33/5676

    摘要： Means and methods for improving the MRI image quality in an MRI imaging apparatus comprising a non-superconducting electromagnet and a plurality of pole pieces are provided. Said means for improving the image quality chosen from the group consisting of (a) means for reducing degradation of MRI image quality due to B
    0 field instability; (b) means for decreasing or otherwise correcting residual magnetization; (c) means for providing a 3D scout image; and (d) any combination of the above. These means for improving the image quality provides greater resolution of the imaged object relative to an MRI apparatus not containing such means for improving image quality.