公开(公告)号：US20140362976A1

公开(公告)日：2014-12-11

申请号：US14469724

申请日：2014-08-27

Applicant: AKIRA MATSUMOTO ,  Kiyoyuki Deguchi ,  Yuuichi Kogure ,  Kazuhito Nakamura ,  Tomoyuki Okada ,  Toru Fujita ,  Tatsuya Nakamura

Inventor： AKIRA MATSUMOTO ,  Kiyoyuki Deguchi ,  Yuuichi Kogure ,  Kazuhito Nakamura ,  Tomoyuki Okada ,  Toru Fujita ,  Tatsuya Nakamura

IPC: H01J35/18 ,  H01J35/04

CPC classification number: H01J35/045 ,  H01J35/04 ,  H01J35/06 ,  H01J35/16 ,  H01J35/18 ,  H01J2235/087 ,  H01J2235/186

Abstract: Provided is an X-ray tube which can perform stable X-ray radiation under a desired condition in a radiation region extending in a predetermined direction. Included are a base plate having an opening portion and made of alloy 426, an X-ray transmission window made of titanium foil and arranged to close the opening portion of the base plate, a flat box-like vessel portion attached to the base plate and inside of which is in a vacuum state, an X-ray target provided at the opening portion in the vessel portion, and an electron source injecting electrons to the X-ray target in the vessel portion. The electron source includes a liner cathode, a first control electrode pulling out electrons from the cathode and a second control electrode restricting radiation range of the pulled-out electrons. At this time, X-rays emitted from the X-ray window spreads radially from opening shape of the opening portion.

Abstract translation: 本发明提供一种X射线管，其可以在沿预定方向延伸的辐射区域中在期望条件下执行稳定的X射线辐射。 包括具有开口部分并由合金426制成的基板，由钛箔制成并布置成封闭基板的​​开口部分的X射线透射窗口，附接到基板的扁平盒状容器部分和 其内部处于真空状态，设置在容器部分的开口部分的X射线靶和向血管部分中的X射线靶标注入电子的电子源。 电子源包括衬底阴极，从阴极拉出电子的第一控制电极和限制被拉出电子的辐射范围的第二控制电极。 此时，从X射线窗口射出的X射线从开口部的开口形状向径向扩散。

公开(公告)号：US20140314164A1

公开(公告)日：2014-10-23

申请号：US14346629

申请日：2011-12-26

Applicant: Baosheng Zhao ,  Qiurong Yan ,  Lizhi Sheng ,  Yongan Liu

Inventor： Baosheng Zhao ,  Qiurong Yan ,  Lizhi Sheng ,  Yongan Liu

IPC: H04B10/90 ,  H04B10/112 ,  H01J35/14

CPC classification number: H04B10/90 ,  H01J31/49 ,  H01J35/045 ,  H01J35/14 ,  H04B10/1123 ,  H04B10/118

Abstract: The disclosure relates to a grid-controlled X-ray source, a space X-ray communication system and a space X-ray communication method. The structure of the grid-controlled X-ray source is: one end of the filament is grounded and the other end is connected with the anode of a power supply, the thermionic cathode is located at the side of the filament and the emergence hole thereof faces the filament, the modulation grid is an electrode plate with a small hole which faces the emergence hole of the thermionic cathode, the electronic beam focusing electrode is located on the two sides of the small hole of the modulation grid to form a focusing channel facing the small hole, an electronic beam is focused by the electronic beam focusing electrode and then transmitted to the metallic target anode, wherein the transmitting surface of the metallic target anode faces the outlet of the focusing channel and the other surface is connected with the anode of the power supply, and the output window is located on an reflection path of the electronic beam which is from the metallic target anode. The disclosure solves the technical problems that the signal-to-noise ratio of communication is low, the error rate error rate of communication is high and the speed of communication is low when an X ray is used for implementing communication in the conventional art, and has the advantages of long communication distance and the low error rate of communication.

Abstract translation: 本发明涉及网格控制的X射线源，空间X射线通信系统和空间X射线通信方法。 电网控制的X射线源的结构是：灯丝的一端接地，另一端与电源的阳极连接，热离子阴极位于灯丝一侧，出炉孔 面对灯丝，调制栅格是具有小孔的电极板，其面向热离子阴极的出射孔，电子束聚焦电极位于调制栅格的小孔的两侧，以形成面向 小孔时，电子束被电子束聚焦电极聚焦，然后传输到金属靶阳极，其中金属靶阳极的透射面面向聚焦通道的出口，另一表面与 电源和输出窗口位于来自金属目标阳极的电子束的反射路径上。 本发明解决了传统技术中使用X射线实现通信时通信的信噪比低，通信的误码率误差率高，通信速度低的技术问题， 具有通信距离长，通信误码率低的优点。

公开(公告)号：US20140270087A1

公开(公告)日：2014-09-18

申请号：US14207216

申请日：2014-03-12

Applicant: SRI INTERNATIONAL ,  Samsung Electronics Co., Ltd.

Inventor： Shang-hyeun PARK ,  Paul R. SCHWOEBEL ,  Il-hwan KIM ,  Do-yoon KIM ,  Yong-chul KIM ,  Chang-soo LEE ,  Tae-won JEONG

IPC: H01J35/06

CPC classification number: H01J35/065 ,  A61B6/40 ,  A61B6/4064 ,  A61B6/4488 ,  B82Y30/00 ,  H01J1/304 ,  H01J1/90 ,  H01J3/021 ,  H01J3/38 ,  H01J19/24 ,  H01J19/42 ,  H01J19/44 ,  H01J35/045 ,  H01J35/06 ,  H01J2201/304 ,  H01J2201/30469 ,  H01J2201/3195 ,  H01J2203/0204 ,  H01J2203/0208 ,  H01J2203/0212 ,  H01J2203/0216 ,  H01J2203/0236 ,  H01J2235/06 ,  H01J2235/1212 ,  H01J2235/1291 ,  H01J2235/1295 ,  Y10S977/742 ,  Y10S977/939 ,  Y10S977/95

Abstract: An x-ray generator includes a housing, a cathode block that is arranged in the housing and emits electrons via a field emission scheme, an anode block that is arranged in the housing and generates x-rays in response to the electrons emitted from the cathode block and collide with the anode block, and a heat sink block that contacts the cathode block and dissipates heat generated therein to an outside of the housing.

Abstract translation: X射线发生器包括壳体，阴极块，其布置在壳体中并经由场致发射方案发射电子;阳极块，布置在壳体中并响应于从阴极发射的电子产生X射线 阻挡并与阳极块碰撞，以及散热块，其接触阴极块并将其中产生的热量散发到壳体的外部。

公开(公告)号：US20140241498A1

公开(公告)日：2014-08-28

申请号：US14132505

申请日：2013-12-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae-won JEONG ,  Yong-chul KIM ,  Il-hwan KIM ,  Do-yoon KIM ,  Shang-hyeun PARK

IPC: G01N23/083 ,  H01J35/04 ,  H05G1/02

CPC classification number: H01J35/065 ,  H01J19/42 ,  H01J35/045 ,  H01J35/06 ,  H01J35/14 ,  H01J35/24 ,  H01J2235/068 ,  H05G1/00 ,  H05G1/02

Abstract: An X-ray imaging system includes an X-ray generator including a plurality of X-ray generation units, where the plurality of X-ray generation units is two-dimensionally arranged, and operates independently of each other; and an X-ray detector spaced apart from the X-ray generator, where the X-ray detector includes a plurality of X-ray detection units corresponding to the plurality of X-ray generation units, where a space is defined between the X-ray generator and the X-ray detector.

Abstract translation: X射线成像系统包括：X射线发生器，其包括多个X射线产生单元，其中所述多个X射线产生单元是二维排列的，并且彼此独立地操作; 以及与X射线发生器间隔开的X射线检测器，其中，所述X射线检测器包括与所述多个X射线产生单元对应的多个X射线检测单元，其中， 射线发生器和X射线探测器。

公开(公告)号：US08537965B2

公开(公告)日：2013-09-17

申请号：US12965968

申请日：2010-12-13

Applicant: Ehud Dafni

Inventor： Ehud Dafni

IPC: G01N23/00

CPC classification number: A61B6/4085 ,  A61B6/032 ,  A61B6/4007 ,  A61B6/4014 ,  A61B6/4028 ,  A61B6/4291 ,  H01J35/045 ,  H05G1/70

Abstract: An X-ray source system for a CT scanner includes a plurality of X-ray sources, wherein each X-ray source of the plurality is provided with a cathode from which an electron beam is emitted, an anode to receive the electron beam and at least one grid electrode, wherein the grid electrodes are configured to selectably block radiation from said X-ray sources; a high voltage generator for applying voltage to the plurality of X-ray sources, wherein each of the plurality of X-ray sources are configured to present substantially the same load to the high voltage generator; a grid modulator configured to apply voltage to grid electrodes of each of the plurality of X-ray sources in turn; and a controller for controlling the grid modulator so that only one of the plurality of X-ray sources emits radiation at any one time.

Abstract translation: 用于CT扫描仪的X射线源系统包括多个X射线源，其中，多个X射线源中的每个X射线源设置有阴极，从该阴极发射电子束，接收电子束的阳极和 至少一个栅电极，其中所述栅电极被配置为可选择地阻挡来自所述X射线源的辐射; 用于向所述多个X射线源施加电压的高电压发生器，其中，所述多个X射线源中的每一个被配置为向所述高压发生器施加大致相同的负载; 电网调制器，其被配置为依次将电压施加到所述多个X射线源中的每一个的栅电极; 以及控制器，用于控制所述电网调制器，使得所述多个X射线源中的仅一个在任何一个时间发射辐射。

公开(公告)号：US08498380B2

公开(公告)日：2013-07-30

申请号：US13131086

申请日：2009-11-23

Applicant: Rolf Karl Otto Behling

Inventor： Rolf Karl Otto Behling

IPC: H01J35/14

CPC classification number: H01J35/14 ,  H01J35/04 ,  H01J35/045 ,  H01J35/26 ,  H01J2235/06

Abstract: The present invention refers to an X-ray tube of the rotary-anode type which comprises at least one temporarily negatively biased auxiliary grid electrode (119) with an aperture through which an electron beam (115) emitted by a tube cathode's thermoionic electron emitter (111) can pass. As an alternative thereto, the auxiliary grid electrode (119) may also be positively biased so as to enhance electron emission from a thermoionic electron emitter (111). The auxiliary grid electrode may thereby be connected to a supply voltage UAUX of a controllable voltage supply unit by means of a feedthrough cable (120) serving as a feeding line for providing the main control grid (112) with a grid supply voltage UG.

Abstract translation: 本发明涉及一种旋转阳极型X射线管，其包括至少一个具有孔的暂时负偏置的辅助栅电极（119），电子束（115）由管阴极的热分子电子发射器（ 111）可以通过。 作为替代方案，辅助栅电极（119）也可以被正偏置，以便增强来自热电子发射体（111）的电子发射。 因此，辅助栅极可以通过用作为主控电网（112）提供电网电源电压UG的馈电线的馈通电缆（120）连接到可控电压供应单元的电源电压UAUX。

公开(公告)号：US08358741B2

公开(公告)日：2013-01-22

申请号：US12857676

申请日：2010-08-17

Applicant: Michael Grasruck ,  Andreas Schaller

Inventor： Michael Grasruck ,  Andreas Schaller

IPC: H01J35/30

CPC classification number: H01J35/14 ,  H01J35/045 ,  H05G1/38

Abstract: A device to control an electron beam for the generation of x-ray radiation, has an electron emitter to generate an electron beam, to which emitter an emitter voltage can be applied, a diaphragm, at least two control elements associated with the diaphragm to affect the electron beam, and switching arrangement with which at least two different electrical voltages can be applied to the at least two control elements. The same electrical voltage is applied to each of the at least two control elements. Upon switching the voltage, an electrical circuit that delays the setting of the respective voltage at the one control element is associated with the connection line of the one control element with the switching arrangement to switch over the voltage. The invention moreover concerns an operating method for the device and an x-ray tube provided with the device.

Abstract translation: 用于控制用于产生X射线辐射的电子束的装置具有电子发射器以产生电子束，发射极可以施加到发射极电压，隔膜，与隔膜相关联的至少两个控制元件影响 电子束以及可以向至少两个控制元件施加至少两个不同电压的开关装置。 对于至少两个控制元件中的每一个施加相同的电压。 在切换电压时，延迟在一个控制元件处的相应电压的设置的电路与一个控制元件的连接线与开关装置相关联以切换电压。 本发明还涉及该装置的操作方法和设置有该装置的X射线管。

公开(公告)号：US20120294427A1

公开(公告)日：2012-11-22

申请号：US13110383

申请日：2011-05-18

Applicant: John K. Grady

Inventor： John K. Grady

IPC: H05G1/60

CPC classification number: A61B6/481 ,  A61B6/487 ,  A61B6/503 ,  A61B6/504 ,  A61B6/5264 ,  A61B6/541 ,  A61B6/542 ,  H01J35/045 ,  H05G1/60

Abstract: Applicant has disclosed a method for removing motion from non-CT cardiac angiographic or fluoroscopic x-ray 2-D sequential images, without using data prediction techniques in sequential CT imagery. Applicant's results are achieved by actively deleting or skipping exposure of certain 2-D flash image acquisitions during rapid heart motion (e.g., beating), the latter to reduce x-ray exposure. Applicant's preferred method comprises: positioning a person relative to a non-CT type x-ray machine, designed for fluoroscopy or angiography, with the person's heart between an x-ray source and a detector; monitoring rapid movement of the person's heart by electrocardiography; generating a series of x-ray pulses from the x-ray source; actively skipping any x-ray pulses by switching off the x-ray source during beating of the person's heart to prevent any images being generated from the skipped x-ray pulses; and generating sequential (i.e., either angiographic or fluoroscopic) 2-D cardiac images from the non-skipped x-ray pulses; wherein the motion is removed from the sequential images without using predictive algorithms and without using estimated compensation of motion.

Abstract translation: 申请人已经公开了一种在不使用CT连续图像中的数据预测技术的情况下从非CT心脏血管造影或荧光X射线2-D连续图像中移除运动的方法。 申请人的结果是通过在快速心脏运动（例如，跳动）期间主动地删除或跳过某些2-D闪光图像采集的曝光来实现的，后者用于减少x射线曝光。 申请人的优选方法包括：将人相对于设计用于荧光透视或血管造影的非CT型X射线机定位在人的心脏在x射线源和检测器之间; 通过心电图监测人心脏的快速运动; 从X射线源产生一系列x射线脉冲; 通过在人的心脏跳动期间关闭X射线源来主动跳过任何X射线脉冲，以防止从跳过的X射线脉冲产生任何图像; 以及从非跳过的x射线脉冲生成顺序（即，血管造影或荧光检查）2-D心脏图像; 其中所述运动从所述顺序图像中移除，而不使用预测算法，而不使用估计的运动补偿。

公开(公告)号：US20110019797A1

公开(公告)日：2011-01-27

申请号：US12788083

申请日：2010-05-26

Applicant: Edward James Morton

Inventor： Edward James Morton

IPC: G01N23/04

CPC classification number: G01V5/0033 ,  A61B6/027 ,  A61B6/032 ,  A61B6/4028 ,  A61B6/4035 ,  A61B6/4241 ,  A61B6/4488 ,  A61B6/482 ,  A61B6/505 ,  G01N23/04 ,  G01N23/046 ,  G01N23/203 ,  G01N24/084 ,  G01N2223/419 ,  G01V5/005 ,  G21K1/025 ,  H01J35/045

Abstract: The present invention provides for an improved scanning process with a stationary X-ray source arranged to generate X-rays from a plurality of X-ray source positions around a scanning region, a first set of detectors arranged to detect X-rays transmitted through the scanning region, and at least one processor arranged to process outputs from the first set of detectors to generate tomographic image data. The X-ray screening system is used in combination with other screening technologies, such as NQR-based screening, X-ray diffraction based screening, X-ray back-scatter based screening, or Trace Detection based screening.

Abstract translation: 本发明提供了一种改进的扫描过程，其中固定的X射线源设置成从围绕扫描区域的多个X射线源位置产生X射线，第一组检测器布置成检测透过扫描区域的X射线 扫描区域和至少一个处理器，其被布置成处理来自第一组检测器的输出以产生断层图像数据。 X射线筛选系统与其他筛选技术结合使用，例如基于NQR筛选，基于X射线衍射的筛选，基于X射线背散射筛选或基于Trace Detection的筛选。

公开(公告)号：US20100104062A1

公开(公告)日：2010-04-29

申请号：US12257658

申请日：2008-10-24

Applicant: Xiaoye Wu ,  David Langan ,  Colin R. Wilson ,  Yun Zou

Inventor： Xiaoye Wu ,  David Langan ,  Colin R. Wilson ,  Yun Zou

IPC: H05G1/56 ,  A61B6/00 ,  H01J35/06

CPC classification number: H01J35/06 ,  H01J35/045 ,  H01J2235/068

Abstract: A CT system includes a rotatable gantry having an opening for receiving an object to be scanned and an x-ray source coupled to the gantry and configured to project x-rays through the opening. The x-ray source includes a target, a first cathode configured to emit a first beam of electrons toward the target, a first gridding electrode coupled to the first cathode, a second cathode configured to emit a second beam of electrons toward the target, and a second gridding electrode coupled to the second cathode. The system includes a generator configured to energize the first cathode to a first kVp and to energize the second cathode to a second kVp, and a detector attached to the gantry and positioned to receive x-rays that pass through the opening. The system also includes a controller configured to apply a gridding voltage to the first gridding electrode to block emission of the first beam of electrons toward the target, apply the gridding voltage to the second gridding electrode to block emission of the second beam of electrons toward the target, and acquire dual energy imaging data from the detector.

Abstract translation: CT系统包括可旋转机架，其具有用于接收待扫描物体的开口和耦合到台架的x射线源，并且被配置成通过开口投影X射线。 x射线源包括目标，被配置为朝向目标发射第一电子束的第一阴极，耦合到第一阴极的第一网格电极，被配置为向靶发射第二电子束的第二阴极，以及 耦合到第二阴极的第二栅极电极。 该系统包括发电机，其被配置为将第一阴极激励到第一kVp并且将第二阴极激励到第二kVp，以及附接到台架并被定位成接收穿过开口的x射线的检测器。 该系统还包括：控制器，被配置为向第一格栅电极施加网格化电压，以阻止第一电子束朝向目标的发射，将网格化电压施加到第二格栅电极，以阻止第二电子束朝向 目标，并从检测器获取双能量成像数据。