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    • 4. 发明申请
    • SWITCHED MODE POWER CONVERTER
    • 开关电源转换器
    • US20110127973A1
    • 2011-06-02
    • US12994477
    • 2009-05-27
    • Peter LuerkensChristoph LoefThomas ScheelChristian HattrupBernd Ackermann
    • Peter LuerkensChristoph LoefThomas ScheelChristian HattrupBernd Ackermann
    • H02M3/157
    • H02M1/38H02M3/156
    • The invention provides a switched mode power converter adapted for zero-voltage transition operation, wherein the converter comprises a half-bridge, having a first power switch (206) and a second power switch, a generator (201) adapted for generating a switching signal S1 after a first period of time, wherein the first period of time starts at the switching off of the second power switch, a controller (202) for converting the switching signal S1 into a control signal S2, wherein the first power switch (206) is switched on in case of the control signal S2, wherein the controller (202) comprises a detector (205), wherein the detector (205) is adapted to generate a first signal S3 in case the voltage over the first power switch (206) is decreasing, a processor (203), wherein the processor (203) is adapted to generate a trigger signal S4 in case of a switching signal S1 and while the first signal S3 is not present, a storage element (204), wherein the storage element (204) is adapted to generate the control signal S2 in case of the trigger signal S4 and the switching signal S1, wherein the storage element 204 is adapted to keep the control signal S2 after disappearing of the trigger signal S4, wherein the storage element (204) is adapted to terminate the control signal S2 after disappearing of the switching signal S1.
    • 本发明提供一种适于零电压转换操作的开关式功率转换器,其中转换器包括具有第一功率开关(206)和第二功率开关的半桥,发生器(201),适于产生开关信号 S1,其中所述第一时间段在所述第二电源开关的切断时开始,用于将所述切换信号S1转换成控制信号S2的控制器(202),其中所述第一电源开关(206) 在控制信号S2的情况下接通,其中控制器(202)包括检测器(205),其中检测器(205)适于在第一电力开关(206)上的电压的情况下产生第一信号S3, 处理器(203),其中处理器(203)适于在切换信号S1的情况下产生触发信号S4,而在第一信号S3不存在的情况下产生存储元件(204),其中存储元件 元件(204)适于ge 在触发信号S4和切换信号S1的情况下使控制信号S2变得紧张,其中存储元件204适于在触发信号S4消失之后保持控制信号S2,其中存储元件(204)适于终止 在切换信号S1消失之后的控制信号S2。
    • 6. 发明申请
    • DEVICE FOR A COMPUTER TOMOGRAPHY GANTRY FOR TRANSFERING CONTACTLESSLY ELECTRICAL ENERGY
    • 用于传输电力能量的计算机平板电脑设备
    • US20110075797A1
    • 2011-03-31
    • US12994481
    • 2009-05-26
    • Christoph LoefPeter LuerkensBernd Ackermann
    • Christoph LoefPeter LuerkensBernd Ackermann
    • A61B6/00H05G1/10H01F38/18
    • A61B6/56A61B2560/0214A61B2560/0219
    • The invention provides a device for a computer tomography gantry (91) for transferring contactlessly electrical energy from a stationary part of the gantry (92) to a rotary part of the gantry (93), wherein the device comprises a first power transformer, a second power transformer, wherein the first and the second power transformers are adapted for transferring the electrical energy, wherein the first power transformer comprises a first winding (506, 507, 542, 602, 601, 1202, 1301, 1401) out of the group consisting of a first set of primary windings and a first set of secondary windings of the first power transformer, wherein the second power transformer comprises a second winding (508, 509, 543, 603, 604, 1204, 1302, 1402) out of the group consisting of a second set of primary windings and a second set of secondary windings of the second power transformer, wherein the first set of primary windings and the second set of primary windings being adapted to be mounted on the stationary part of the gantry, wherein the first set of secondary windings and the second set of secondary windings being adapted to be mounted on the rotary part of the gantry (93), wherein the device is adapted to balance the currents of the first winding and the second winding. A further aspect of the invention is a computer tomography gantry (91) comprising a device according to the inventive concept. Furthermore, it is an aspect of the invention a method for transferring contactlessly electrical energy from a stationary part of a gantry (92) to a rotary part of a gantry (93) comprising the steps of balancing currents with the help of a device according to the invention.
    • 本发明提供了一种用于计算机断层摄影台架(91)的装置,用于将无接触电能从机架(92)的静止部分传送到台架(93)的旋转部分,其中该装置包括第一电力变压器,第二电力变压器 电力变压器,其中所述第一和第二电力变压器适于传递所述电能,其中所述第一电力变压器包括所述组中的第一绕组(506,507,542,602,601,1202,1301,1401),所述第一绕组包括 第一组初级绕组和第一电力变压器的第一组次级绕组,其中第二电力变压器包括组外的第二绕组(508,509,543,603,604,1204,1302,1402) 由第二组初级绕组和第二组次级绕组构成,其中第一组初级绕组和第二组初级绕组适于安装在固定部分上 ,其中所述第一组次级绕组和所述第二组次级绕组适于安装在所述台架(93)的旋转部分上,其中所述装置适于平衡所述第一绕组和所述第二绕组的电流 绕组。 本发明的另一方面是包括根据本发明构思的装置的计算机断层摄影台架(91)。 此外,本发明的一个方面是用于将非接触电能从机架(92)的静止部分转移到台架(103)的旋转部分的方法,包括以下步骤:借助于根据 本发明。
    • 10. 发明申请
    • LIGHT APPLICATION APPARATUS FOR APPLYING LIGHT TO AN OBJECT
    • 用于将光应用于对象的光应用装置
    • US20120116373A1
    • 2012-05-10
    • US13384803
    • 2010-07-08
    • Holger MoenchBernd Ackermann
    • Holger MoenchBernd Ackermann
    • A61B18/20F21S2/00
    • A61B18/203A61B18/20A61B2017/00057A61B2018/00452A61B2018/00476A61B2018/00636A61B2018/00904A61B2018/2065A61N2005/0629A61N2005/0652
    • The invention relates to a light application apparatus (1) for applying light to an object (3). A light source (4) generates processing light (2) and sensing light (5), which are coupled into the object (3). A light detector (8) detects the sensing light (5) after having left the object (3), and a control unit (9) controls the light source (4) such that processing light (2) in a processing time interval and sensing light (5) in a sensing time interval are alternately generated. Since processing light and sensing light are generated alternately, the generation of the processing light and of the sensing light is decoupled, i.e. the processing light can be optimized for processing purposes and the sensing light can be optimized for sensing purposes. This allows improving the quality of sensing the object and, thus, the quality of controlling the application of light depending on properties of the object.
    • 本发明涉及一种用于向物体(3)施加光的光施加装置(1)。 光源(4)产生耦合到对象(3)中的处理光(2)和感测光(5)。 光检测器(8)在离开物体(3)之后检测感测光(5),控制单元(9)控制光源(4),使处理光(2)处理时间间隔和传感 交替产生感测时间间隔中的光(5)。 由于处理光和感测光交替地产生,所以处理光和感测光的产生被解耦,即处理光可以被优化以用于处理目的,并且感测光可以被优化用于感测目的。 这允许改善感测对象的质量,并且因此提高根据对象的特性来控制光的应用的质量。