公开(公告)号：DE10233123A1

公开(公告)日：2004-02-05

申请号：DE10233123

申请日：2002-07-20

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： PIETIG RAINER ,  KIEWITT RAINER ,  MATTERS-KAMMERER MARION ,  PURR THOMAS

IPC: H03H7/38 ,  H04B1/04 ,  H01P1/32

Abstract: A device for dynamic impedance matching between a power amplifier and an antenna, having a circulator ( 210 ), which routes a signal received from the power amplifier ( 10 ) at a first port via a second port to the antenna ( 30 ) and diverts the signal reflected at the antenna ( 30 ) and received at the second port through a third port; and a controllable matching network ( 24, 240, 250 ); is characterized in that a directional coupler ( 200 ) diverts a proportion of the signal traveling from the power amplifier ( 10 ) to the antenna ( 30 ), from which the magnitude and phase of the signal may be derived, to a signal detector ( 220 ); and the circulator ( 210 ) routes the entire signal reflected at the antenna ( 30 ) into the signal detector ( 220 ); wherein the signal detector ( 220 ) passes the magnitude and phase of both the signal traveling to the antenna ( 30 ) and the signal reflected at the antenna ( 30 ) to a controller ( 230 ), which evaluates the information received from the signal detector ( 220 ) in order to determine the present impedance value of the antenna ( 30 ) and to correct the controllable matching network ( 24, 240, 250 ) having active and passive components in accordance with the determined impedance value of the antenna ( 30 ).

公开(公告)号：DE10226794A1

公开(公告)日：2004-01-08

申请号：DE10226794

申请日：2002-06-15

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： BRAMBILLA NORA ,  HILGERS ACHIM ,  PELZER HEIKO ,  PIETIG RAINER ,  PURR THOMAS

IPC: H01Q1/24 ,  H01Q1/38 ,  H01Q5/00 ,  H01Q5/10 ,  H01Q5/378 ,  H01Q5/01

Abstract: The invention relates to an antenna comprising a dielectric substrate ( 1 ) and two resonant printed wiring structures, more particularly for use in high-frequency and microwave domain. On an end face of the structure ( 2 ) is arranged along a first edge and on an opposite, second edge of the same end face a second printed wiring structure ( 3 ). The arrangement of the printed wiring structures provides that resonances are developed which make the use of the proposed antennas in the four separate GPS, DCS/PCS, UMTS and Bluetooth applications possible.

公开(公告)号：DE602007012212D1

公开(公告)日：2011-03-10

申请号：DE602007012212

申请日：2007-03-15

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： PIETIG RAINER ,  MARTINY CHRISTOPH

IPC: H01J35/10 ,  H01J35/14 ,  H01J35/24 ,  H05G1/36

公开(公告)号：WO2009019645A2

公开(公告)日：2009-02-12

申请号：PCT/IB2008053102

申请日：2008-08-04

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  DORSCHEID RALF ,  VOGTMEIER GEREON ,  PIETIG RAINER

Inventor： DORSCHEID RALF ,  VOGTMEIER GEREON ,  PIETIG RAINER

IPC: H01J35/08

CPC classification number: H01J35/08 ,  H01J2235/083 ,  H01J2235/085

Abstract: A method and an apparatus for locally applying material to the surface of an anode of an X-ray source as well as a corresponding anode is presented. Anode material such as a repair material for filling a recess (121) in an X-ray emitting surface (115) is applied to the X-ray emitting surface of an anode (101). The location where such material is to be applied may be detected using a laser beam (133). The applied repair material including particles (41) of anode material such as tungsten, rhenium or molybdenum, is subsequently locally sintered using a high-energy laser beam (151). The sintered material may then be melted using a high-energy electron beam (163). Using such method, a damaged surface of an anode may be locally repaired. Alternatively, structures of different anode materials or of protrusions having different levels can be provided on the X-ray emitting surface (115) in order to selectively manipulate the X-ray emitting characteristics of the anode (101).

Abstract translation: 提出了一种用于将材料局部施加到X射线源的阳极表面以及相应阳极的方法和装置。 向阳极（101）的X射线发射面施加阳极材料，例如用于填充X射线发射表面（115）中的凹部（121）的修复材料。 可以使用激光束（133）来检测施加这种材料的位置。 随后使用高能激光束局部烧结包括诸如钨，铼或钼的阳极材料的颗粒（41）的施加的修复材料。 然后可以使用高能电子束（163）熔化烧结材料。 使用这种方法，可以局部地修复阳极损坏的表面。 或者，可以在X射线发射表面（115）上提供不同阳极材料或具有不同水平的突起的结构，以选择性地操纵阳极（101）的X射线发射特性。

公开(公告)号：WO2007129249A3

公开(公告)日：2008-01-24

申请号：PCT/IB2007051561

申请日：2007-04-26

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  PIETIG RAINER ,  LEWALTER ASTRID

Inventor： PIETIG RAINER ,  LEWALTER ASTRID

IPC: H01J35/10 ,  A61B6/03

CPC classification number: H01J35/10 ,  A61B6/027 ,  A61B6/032 ,  A61B6/4028 ,  A61B6/503

Abstract: The rotating anode x-ray tube comprises an anode, whose focal track has the shape of a saddle trajectory. A proper anode angle to enable a high power line focus is always realised along the focal path on the anode. The x-ray tube is for CT scanners and enables a movement of the focal spot along the patient axis during gantry rotation. In this way, cone beam artefacts due to the reconstruction may be avoided.

Abstract translation: 旋转阳极x射线管包括阳极，其焦点轨迹具有鞍形轨迹的形状。 始终沿着阳极上的焦点路径实现能够实现高功率线路聚焦的适当的阳极角度。 X射线管适用于CT扫描仪，并可在机架旋转期间使焦点沿病人轴线移动。 以这种方式，可以避免由于重构造成的锥形束伪影。

公开(公告)号：WO2009022292A3

公开(公告)日：2009-11-12

申请号：PCT/IB2008053225

申请日：2008-08-12

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  UNIV DRESDEN TECH ,  LEWALTER ASTRID ,  PIETIG RAINER ,  LANGKAMP ALBERT ,  RICHTER HEIKO ,  BEHNISCH THOMAS ,  HUFENBACH WERNER ,  BEHLING ROLF K O ,  BATHE CHRISTOPH

Inventor： LEWALTER ASTRID ,  PIETIG RAINER ,  LANGKAMP ALBERT ,  RICHTER HEIKO ,  BEHNISCH THOMAS ,  HUFENBACH WERNER ,  BEHLING ROLF K O ,  BATHE CHRISTOPH

IPC: H01J35/10

CPC classification number: H01J35/108 ,  H01J2235/081 ,  H01J2235/088 ,  H01J2235/1006

Abstract: The present invention is related to high power X-ray sources, in particular to those ones that are equipped with rotating X-ray anodes capable of delivering a much higher short time peak power than conventional rotating X-ray anodes according to the prior art. The herewith proposed design principle thereby aims at overcoming thermal limitation of peak power by allowing extremely fast rotation of the anode and by introducing a lightweight material with high thermal conductivity (2) in the region adjacent to the focal track material (4). The extremely fast rotation is enabled by providing sections of the rotary anode disk made of anisotropic high specific strength materials with high thermal stability (1, 3, 6) which will be specifically adapted to the high stresses building up when the anode is operated, as for example fiber-reinforced ceramic materials. An X-ray system equipped with a high peak power anode according to the present invention will be capable of high speed image acquisition with high resolution and high coverage. Such a high-speed rotary anode disk can advantageously be applied in X-ray tubes for material inspection or medical radiography, for X-ray imaging applications which are needed for acquiring image data of moving objects in real-time, such as e.g. in the scope of cardiac CT, or for any other X-ray imaging application that requires high-speed image data acquisition. According to a further exemplary embodiment, the invention is directed to a rotary anode disk divided into distinct anode segments (10a, 10b) with adjacent anode segments which may e.g. be limited to each other by straight radial (14a) or S- shaped slits (14b) ranging from the inner anode bulk (1) to the inner radial edge of the anode disk's outer frame section (3). Other exemplary embodiments of the present invention relate to a rotary anode disk structure design which comprises liquid metal conductors (16a) between the inner anode bulk (1) and a rotary shaft (12) needed for rotating the rotary anode disk about its rotational axis (5), said liquid metal conductors (16a) providing a liquid metal connection between the rotary anode and its rotary shaft (12), or to a rotary anode disk structure which comprises a sliding radial connection (17) and a flexible heat conductor (18) between the inner anode bulk (1) and the rotary shaft (12).

Abstract translation: 本发明涉及高功率X射线源，尤其涉及那些配备旋转X射线阳极的旋转X射线阳极，该旋转X射线阳极能够提供比根据现有技术的传统旋转X射线阳极高得多的短时间峰值功率。 由此提出的设计原则旨在通过允许阳极的极快速旋转并且通过在与焦轨材料（4）相邻的区域中引入具有高导热率的轻质材料（2）来克服峰值功率的热限制。 通过提供由具有高热稳定性的各向异性高比强度材料（1,3,6）制成的旋转阳极盘的部分能够实现极快的旋转，所述高热稳定性特别适用于阳极操作时形成的高应力， 例如纤维增强陶瓷材料。 配备有根据本发明的高峰值功率阳极的X射线系统将能够以高分辨率和高覆盖率进行高速图像采集。 这种高速旋转阳极盘可以有利地应用于用于材料检查或医学射线照相的X射线管中，用于实时获取运动物体的图像数据所需的X射线成像应用，例如， 在心脏CT的范围内，或用于需要高速图像数据采集的任何其他X射线成像应用。 根据另一个示例性实施例，本发明涉及一种旋转阳极盘，其被分成具有相邻阳极段的不同阳极段（10a，10b），所述相邻阳极段可以例如 通过从内阳极体（1）到阳极盘外框部分（3）的内径向边缘的直径径向（14a）或S形狭缝（14b）彼此限制。 本发明的其它示例性实施例涉及一种旋转阳极盘结构设计，其包括在内部阳极体（1）和旋转阳极盘围绕其旋转轴旋转所需的旋转轴（12）之间的液体金属导体（16a） 所述液态金属导体（16a）在旋转阳极与其旋转轴（12）之间提供液态金属连接，或者与包括滑动径向连接（17）和柔性热导体（18）的旋转阳极盘结构 ）在内部阳极体（1）和旋转轴（12）之间。

公开(公告)号：WO2008099328A3

公开(公告)日：2008-10-09

申请号：PCT/IB2008050486

申请日：2008-02-11

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  BLEUKX MARC MARIA ALEX ,  LOEF CHRISTOPH ,  PIETIG RAINER

Inventor： BLEUKX MARC MARIA ALEX ,  LOEF CHRISTOPH ,  PIETIG RAINER

IPC: H02M7/00 ,  H03K17/72 ,  H05G1/12

CPC classification number: H02M7/5387 ,  H03K17/0416 ,  H03K17/0814 ,  H03K17/567 ,  H03K17/687 ,  H03K17/74 ,  H03K2217/0036 ,  Y10T307/76

Abstract: A method and device for operating a device for high-voltage switching for driving capacitive loads, having a first and a second input terminal (11, 12) for applying a high voltage supply, such that a higher potential of the high-voltage supply may be applied to the first input terminal (11) and a lower potential may be applied to the second input terminal (12); a first and a second switch (S1, S2), connected in series between the first and the second input terminal (11, 12); a first and a second clamping diode (D3, D4), connected in series and in the same blocking direction between the first input terminal and the second input terminal, such that the first second clamping diode block with respect to the applied high voltage; a storage inductor Ls, which is connected withone of its terminals to a connecting point (13) of the both switches and with another terminal to a connecting point (14) of the both clamping diodes; and an output terminal (15) for connecting a capacitive load Cl, which output terminal is connected with the connecting point (14) of the both clamping diodes (D3, D4). The method comprises starting with both switches (S1, S2) open; closing of the first switch (S1) after a first predetermined time; opening (ST3) of the first switch (S1) after a second predetermined time; closing (ST4) of the second switch (S2), after arriving a zero voltage over the second switch.

Abstract translation: 一种用于驱动用于驱动容性负载的高压开关的设备的方法和设备，具有用于施加高压电源的第一和第二输入端子（11,12），使得高压电源的较高电位可以 被施加到第一输入端子（11）并且较低电位可被施加到第二输入端子（12）; 第一和第二开关（S1，S2），串联连接在第一和第二输入端子（11,12）之间; 第一和第二钳位二极管（D3，D4），在第一输入端子和第二输入端子之间以相同的阻断方向串联连接，使得第一钳位二极管关于施加的高电压阻断; 存储电感器Ls，其一端连接到两个开关的连接点（13），另一端连接到两个钳位二极管的连接点（14）; 和用于连接电容性负载Cl的输出端子（15），该输出端子与两个钳位二极管（D3，D4）的连接点（14）连接。 该方法包括从两个开关（S1，S2）开始打开; 在第一预定时间之后关闭第一开关（S1） 在第二预定时间之后打开第一开关（S1）的开路（ST3） 在第二开关上达到零电压之后，闭合（ST4）第二开关（S2）。

公开(公告)号：WO2008044196A3

公开(公告)日：2008-06-05

申请号：PCT/IB2007054096

申请日：2007-10-09

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  HAUTTMANN STEFAN ,  PIETIG RAINER ,  HORIKX JEROEN JAN LAMBERTUS

Inventor： HAUTTMANN STEFAN ,  PIETIG RAINER ,  HORIKX JEROEN JAN LAMBERTUS

IPC: H01J35/14 ,  H01J35/06 ,  H01J35/10

CPC classification number: H01J35/14 ,  H01J35/06 ,  H01J35/105 ,  H01J2235/064 ,  H01J2235/1225

Abstract: According to an exemplary embodiment an x-ray tube comprises a cathode, rotable disc anode, and a focal spot modulating unit, wherein the cathode is adapted to emit an electron beam, and wherein the focal spot modulating unit is adapted to modulate the electron beam in such a way that an intensity distribution of the electron beam on a focal spot on the anode is asymmetric such that the intensity of the electron beam on the focal spot is higher at the front of the focal spot with respect to the rotation direction.

Abstract translation: 根据示例性实施例，X射线管包括阴极，可旋转盘阳极和焦斑调制单元，其中阴极适于发射电子束，并且其中焦点调制单元适于调制电子束 使得电子束在阳极上的焦点上的强度分布是不对称的，使得焦点上的电子束的强度相对于旋转方向在焦斑的前面较高。

公开(公告)号：WO2011110985A2

公开(公告)日：2011-09-15

申请号：PCT/IB2011050924

申请日：2011-03-04

Applicant: KONINKL PHILIPS ELECTRONICS NV ,  PHILIPS INTELLECTUAL PROPERTY ,  PIETIG RAINER ,  RUETTEN WALTER ,  HERRMANN CHRISTOPH

Inventor： PIETIG RAINER ,  RUETTEN WALTER ,  HERRMANN CHRISTOPH

IPC: G01T1/17

CPC classification number: G01T1/247 ,  G01T1/17 ,  H04N5/32

Abstract: Device and method for synchronously switching activating a first and second charge accumulation section for a duration of a first and second predetermined sub-frame and a first and second X-ray source until lapse of a predetermined time frame for each of the first and second charge accumulation section for the accumulation of a plurality of temporally distributed partial charges according to an origin of a respective one of the plurality of spatially distributed X-ray sources so as to establish a specific relation between the focal spot position and a rule for accumulating the respective partial measurements, e.g. temporally distributed partial charges, belonging to the same focal spot positions, and to keep the focal spot temperature low by only activating the focal spot for a limited time according to a sub- frame.

Abstract translation: 用于在第一和第二预定子帧以及第一和第二X射线源的持续时间内同步切换激活第一和第二电荷累积部分的装置和方法，直到经过预定时间帧为止， 累积部分，用于根据多个空间分布的X射线源中的相应一个的原点累积多个时间分布的部分电荷，以便建立焦斑位置与用于累积各个的X射线的规则之间的特定关系 部分测量，例如 属于相同的焦点位置的时间分布的部分电荷，并且通过仅根据子帧激活有限时间的焦点来保持焦点温度低。

公开(公告)号：WO2009136349A3

公开(公告)日：2009-12-30

申请号：PCT/IB2009051814

申请日：2009-05-04

Applicant: PHILIPS INTELLECTUAL PROPERTY ,  KONINKL PHILIPS ELECTRONICS NV ,  VOGTMEIER GEREON ,  PIETIG RAINER ,  LEWALTER ASTRID ,  BEHLING ROLF K O

Inventor： VOGTMEIER GEREON ,  PIETIG RAINER ,  LEWALTER ASTRID ,  BEHLING ROLF K O

IPC: A61B6/03 ,  H01J35/24

CPC classification number: H01J35/14 ,  A61B6/032 ,  A61B6/4021 ,  A61B6/4028 ,  A61B6/4085 ,  A61B6/4488 ,  H01J35/26 ,  H01J35/30

Abstract: X-ray systems for use in high-resolution imaging applications with an improved power rating are provided. An X-ray source comprises at least one integrated actuator unit (206, 206', 206a or 206b) for performing at least one translational and/or rotational displacement by moving the position of the X-ray source's anode (204, 204', 204a' or 204b') relative to a stationary reference position. This helps to overcome power limitations due to an overheating of the anode at its focal ^spot position (205). In addition to that, a focusing unit (203) for allowing an adapted focusing of the anode's focal spot (205) which compensates deviations in the focal spot size resulting from said anode displacements and/or a deflection means (211, 21 Ia or 21 Ib) for generating an electric and/or magnetic field deflecting the electron beam (202, 202a or 202b) in a direction opposite to the direction of the rotary anode's displacement movement may be provided.

Abstract translation: 提供了用于具有改进的额定功率的高分辨率成像应用中的X射线系统。 X射线源包括至少一个用于通过移动X射线源的阳极（204,204'和206b）的位置来执行至少一个平移和/或旋转位移的集成致动器单元（206,206'，206a或206b） 204a'或204b'）。 这有助于克服由于阳极在其焦点位置（205）处的过热而引起的功率限制。 除此之外，聚焦单元（203）用于允许补偿阳极焦点（205）的适应聚焦，其补偿由所述阳极位移引起的焦点尺寸偏差和/或偏转装置（211,211a或21 可以提供用于产生沿着与旋转阳极的位移运动的方向相反的方向偏转电子束（202,202a或202b）的电和/或磁场的电流（Ib）。