-
公开(公告)号：US07447297B2
公开(公告)日：2008-11-04
申请号：US11499612
申请日：2006-08-04
Applicant: Bruce Matthew Dunham , Jonathan Richard Schmidt
Inventor： Bruce Matthew Dunham , Jonathan Richard Schmidt
IPC: H05G1/52
CPC classification number: H05G1/52 , A61B6/032 , A61B6/4021 , A61B6/4028 , A61B6/508 , A61B6/583
Abstract: A method includes performing an at least partially automated method to synchronize an x-ray source focal spot (FS) position to a FS deflection feedback signal.
Abstract translation: 一种方法包括执行至少部分自动化的方法以将X射线源焦点（FS）位置与FS偏转反馈信号同步。
-
公开(公告)号：US07409043B2
公开(公告)日：2008-08-05
申请号：US11439027
申请日：2006-05-23
Applicant: Bruce Matthew Dunham , Jonathan Richard Schmidt , Sergio Lemaitre
Inventor： Bruce Matthew Dunham , Jonathan Richard Schmidt , Sergio Lemaitre
Abstract: A method for controlling focal spot size changes of an x-ray source in an imaging system includes measuring focal spot sizes as a function of a plurality of x-ray source operating parameters, determining a calibration table or transfer function utilizing the measured focal spot sizes as a function of the plurality of x-ray tube operating parameters, and utilizing the calibration table or transfer function to control focal spot size variations during operation of the imaging system.
Abstract translation: 用于控制成像系统中的X射线源的焦点尺寸变化的方法包括测量作为多个x射线源操作参数的函数的焦斑尺寸，使用所测量的焦点尺寸确定校准表或传递函数 作为多个x射线管操作参数的函数，并且利用校准表或传递函数来控制成像系统的操作期间的焦点尺寸变化。
-
公开(公告)号：US07399119B2
公开(公告)日：2008-07-15
申请号：US11230001
申请日：2005-09-19
Applicant: Edward Henry Chao , Thomas Louis Toth , Tanvi Kachhy , Bruce Matthew Dunham , Abdelaziz Ikhlef
Inventor： Edward Henry Chao , Thomas Louis Toth , Tanvi Kachhy , Bruce Matthew Dunham , Abdelaziz Ikhlef
CPC classification number: A61B6/587 , A61B6/032 , A61B6/06 , Y10S378/901
Abstract: A method for measuring an alignment of a detector is described. The method includes determining, by a processor, the alignment of the detector with respect to a collimated radiation beam. The determination of the alignment is based on a plurality of signals from a first cell of the detector and a second cell of the detector, and is independent of a shape of the collimated radiation beam.
Abstract translation: 描述了用于测量检测器的对准的方法。 该方法包括由处理器确定检测器相对于准直辐射束的对准。 对准的确定基于来自检测器的第一单元和检测器的第二单元的多个信号，并且独立于准直辐射束的形状。
-
公开(公告)号：US07187755B2
公开(公告)日：2007-03-06
申请号：US10904280
申请日：2004-11-02
Applicant: Bruce Matthew Dunham , John Scott Price , Colin R. Wilson
Inventor： Bruce Matthew Dunham , John Scott Price , Colin R. Wilson
IPC: H01J35/00
CPC classification number: H01J35/065 , A61B6/032 , A61B6/4028 , H01J2235/064
Abstract: An electron emitter assembly and a method for generating an electron beam are provided. The electron emitter assembly includes a laser configured to emit a first light beam and a second light beam. The electron emitter assembly further includes a mirror configured to move to a first operational position to reflect the first light beam toward a first region of a photo-cathode. The mirror is further configured to move to a second operational position to reflect the second light beam toward a second region of the photo-cathode. The photo-cathode is configured to emit a first electron beam when the first light beam contacts the first region and to emit a second electron beam when the second light beam contacts the second region. The electron emitter assembly further includes an anode configured to receive the first and second electron beams from the photo-cathode.
Abstract translation: 提供了一种电子发射器组件和一种用于产生电子束的方法。 电子发射器组件包括被配置为发射第一光束和第二光束的激光器。 电子发射器组件还包括被配置为移动到第一操作位置以将第一光束朝向光阴极的第一区域反射的反射镜。 反射镜还被配置成移动到第二操作位置以将第二光束反射到光 - 阴极的第二区域。 当第二光束接触第二区域时，光阴极被配置为当第一光束接触第一区域时发射第一电子束并发射第二电子束。 电子发射器组件还包括被配置为从光阴极接收第一和第二电子束的阳极。
-
5.发明授权Electron emitter assembly and method for adjusting a power level of electron beams 有权电子发射器组件和调整电子束功率电平的方法公开(公告)号：US07085350B2
公开(公告)日：2006-08-01
申请号：US10904284
申请日：2004-11-02
Applicant: Bruce Matthew Dunham , John Scott Price , Colin R. Wilson
Inventor： Bruce Matthew Dunham , John Scott Price , Colin R. Wilson
IPC: H01J35/00
CPC classification number: H01J35/065 , H01J35/24 , H01J2235/062 , H01J2235/068 , H01J2235/087
Abstract: An electron emitter assembly and a method for adjusting a power level of an electron beam are provided. The electron emitter assembly includes a laser configured to emit a first light beam. The electron emitter assembly further includes a light-attenuating device configured to receive the first light beam and to attenuate the first light beam between a first light intensity and a second light intensity greater than the first light intensity. The electron emitter assembly further includes a photo-cathode configured to receive the first light beam from the light-attenuating device. The photo-cathode is further configured to emit a first electron beam having a first power level in response to receiving the first light beam having the first light intensity. The photo-cathode is further configured to emit a second electron beam having a second power level greater than the first power level in response to receiving the first light beam having the second light intensity. The electron emitter assembly further includes an anode configured to receive the first and second electrons beams from the photo-cathode.
Abstract translation: 提供了一种用于调节电子束功率电平的电子发射器组件和方法。 电子发射器组件包括被配置为发射第一光束的激光器。 电子发射器组件还包括被配置为接收第一光束并且在第一光强度和大于第一光强度的第二光强度之间衰减第一光束的光衰减器件。 电子发射器组件还包括被配置为从光衰减装置接收第一光束的光阴极。 光阴极还被配置为响应于接收到具有第一光强度的第一光束而发射具有第一功率电平的第一电子束。 响应于接收到具有第二光强度的第一光束，光阴极还被配置为发射具有大于第一功率电平的第二功率电平的第二电子束。 电子发射器组件还包括被配置为从光阴极接收第一和第二电子束的阳极。
-
Patent Agency Ranking
6.发明授权公开(公告)号：US07027553B2
公开(公告)日：2006-04-11
申请号：US10747510
申请日：2003-12-29
Applicant: Bruce Matthew Dunham , John Scott Price
Inventor： Bruce Matthew Dunham , John Scott Price
IPC: A61B6/03
CPC classification number: A61B6/482 , A61B6/032 , A61B6/4241 , H05G2/00
Abstract: A system for generating images by using monochromatic x-rays is described. The system includes an accelerator configured to increase energy of an electron beam, at least one detector element configured to receive x-rays having multiple energies generated by interaction of the electron beam with at least one laser beam, and an image reconstructor configured to reconstruct at least one image by processing the x-rays.
Abstract translation: 描述了通过使用单色x射线产生图像的系统。 该系统包括加速器，其被配置为增加电子束的能量，至少一个检测器元件被配置为接收具有由电子束与至少一个激光束的相互作用产生的多个能量的x射线，以及被配置为在 通过处理x射线至少一个图像。
-
公开(公告)号：US06741671B2
公开(公告)日：2004-05-25
申请号：US10063496
申请日：2002-04-30
Applicant: Bruce Matthew Dunham , John Scott Price , Carey S. Rogers
Inventor： Bruce Matthew Dunham , John Scott Price , Carey S. Rogers
IPC: A61B600
CPC classification number: A61B6/5205 , A61B6/032 , G06T1/20
Abstract: An imaging system includes an x-ray source adapted to generate an x-ray flux. The system further includes an array of analogic computer modules, each of which contains an array of detector elements arranged to form “slices” as in a CT scanner. The analogic computer modules then process the signals from the detector elements.
Abstract translation: 成像系统包括适于产生x射线通量的X射线源。 该系统还包括模拟计算机模块阵列，每个模拟计算机模块中的每一个都包含与CT扫描器一样形成“切片”的检测器元件阵列。 模拟计算机模块然后处理来自检测器元件的信号。
-
公开(公告)号：US07593502B2
公开(公告)日：2009-09-22
申请号：US11580489
申请日：2006-10-13
Applicant: Jason Stuart Katcha , Bruce Matthew Dunham , Robert Senzig , Jonathan Richard Schmidt , Thomas Louis Toth , David Michael Hoffman , Phil E. Pearson, Jr. , Jiang Hsieh
Inventor： Jason Stuart Katcha , Bruce Matthew Dunham , Robert Senzig , Jonathan Richard Schmidt , Thomas Louis Toth , David Michael Hoffman , Phil E. Pearson, Jr. , Jiang Hsieh
IPC: A61B6/03
CPC classification number: A61B6/4014 , A61B6/032 , A61B6/037 , A61B6/56
Abstract: Methods and apparatus for an imaging system are provided. The imaging system includes a gantry having a stationary member coupled to a rotating member. The rotating member has an opened area proximate an axis about which the rotating member rotates. An x-ray source provided on the rotating member. An x-ray detector may be disposed on the rotating member and configured to receive x-rays from the x-ray source. A rotary transformer having circumferentially disposed primary and secondary windings may form part of a contactless power transfer system that rotates the rotatable portion of the gantry at very high speeds, the primary winding being disposed on the stationary member and the secondary winding being disposed on the rotating member.
Abstract translation: 提供了一种用于成像系统的方法和装置。 成像系统包括具有联接到旋转构件的固定构件的台架。 旋转构件具有靠近旋转构件旋转的轴线的开口区域。 设置在旋转构件上的x射线源。 X射线检测器可以设置在旋转构件上并被配置为从x射线源接收x射线。 具有周向布置的初级和次级绕组的旋转变压器可以形成以非常高的速度旋转机架的可旋转部分的非接触式动力传递系统的一部分，初级绕组设置在固定构件上，次级绕组设置在旋转 会员。
-
公开(公告)号：US20080031419A1
公开(公告)日：2008-02-07
申请号：US11499612
申请日：2006-08-04
Applicant: Bruce Matthew Dunham , Jonathan Richard Schmidt
Inventor： Bruce Matthew Dunham , Jonathan Richard Schmidt
CPC classification number: H05G1/52 , A61B6/032 , A61B6/4021 , A61B6/4028 , A61B6/508 , A61B6/583
Abstract: A method includes performing an at least partially automated method to synchronize an x-ray source focal spot (FS) position to a FS deflection feedback signal.
-
公开(公告)号：US20070274457A1
公开(公告)日：2007-11-29
申请号：US11439027
申请日：2006-05-23
Applicant: Bruce Matthew Dunham , Jonathan Richard Schmidt , Sergio Lemaitre
Inventor： Bruce Matthew Dunham , Jonathan Richard Schmidt , Sergio Lemaitre
IPC: G01D18/00
Abstract: A method for controlling focal spot size changes of an x-ray source in an imaging system includes measuring focal spot sizes as a function of a plurality of x-ray source operating parameters, determining a calibration table or transfer function utilizing the measured focal spot sizes as a function of the plurality of x-ray tube operating parameters, and utilizing the calibration table or transfer function to control focal spot size variations during operation of the imaging system.
Abstract translation: 用于控制成像系统中的X射线源的焦点尺寸变化的方法包括测量作为多个x射线源操作参数的函数的焦斑尺寸，使用所测量的焦点尺寸确定校准表或传递函数 作为多个x射线管操作参数的函数，并且利用校准表或传递函数来控制成像系统的操作期间的焦点尺寸变化。
-
-
-
-
-
-
-
-
-
Search Results
23
records
(took 0.016 seconds)
