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    • 4. 发明授权
    • Method of converting a recording element
    • 转换记录元件的方法
    • US07033741B2
    • 2006-04-25
    • US10944569
    • 2004-09-17
    • Po-Jen ShihArthur M. GoorayTimothy J. WojcikHwei-Ling YauJames E. Pickering
    • Po-Jen ShihArthur M. GoorayTimothy J. WojcikHwei-Ling YauJames E. Pickering
    • G03C11/08B41J2/01B41J3/407
    • B41J2/01B41J11/0015
    • A method of converting a recording element is provided. The method includes providing an imaged recording element having a convertible layer, the convertible layer comprising polymeric particles and a polymeric binder, the polymeric particles having a glass transition temperature Tg1, and the polymeric binder having a glass transition temperature Tg2; heating the convertible layer to a temperature Tp, Tp being greater than Tg1 and Tg2; and converting the heated convertible layer of the recording element by advancing the recording element through a pair of rollers, the first roller of the pair of rollers being maintained at a first temperature T1 and the second roller of the pair of rollers being maintained at a second temperature T2, T1 and T2 being less than Tp, the convertible layer of the recording element becoming a converted layer after advancing through the pair of rollers, wherein the converted layer has an exit temperature Tf, Tf being less than Tp.
    • 提供一种转换记录元件的方法。 该方法包括提供具有可转换层的成像记录元件,可转换层包含聚合物颗粒和聚合物粘合剂,聚合物颗粒具有玻璃化转变温度T g1,聚合物粘合剂具有玻璃化转变 温度T< g2>; 将可转换层加热至T T p T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T 并且通过使记录元件通过一对辊推进来转换记录元件的加热的可转换层,一对辊的第一辊保持在第一温度T 1和第二辊 一对辊保持在第二温度T 2,T 1和T 2 2小于T p 2, ,所述记录元件的可转换层在经过所述一对辊之后变为转换层,其中所述转换层具有小于所述转印层的出射温度T T
    • 5. 发明申请
    • DUAL SCREEN RADIOGRAPHIC DETECTOR WITH IMPROVED SPATIAL SAMPLING
    • 具有改进的空间采样的双屏幕放射性检测器
    • US20110303849A1
    • 2011-12-15
    • US12797114
    • 2010-06-09
    • Timothy J. TredwellMark E. ShaferRobert W. KulpinskiTimothy J. Wojcik
    • Timothy J. TredwellMark E. ShaferRobert W. KulpinskiTimothy J. Wojcik
    • G01T1/20
    • G01T1/2018
    • Embodiments of radiographic imaging apparatus and methods for operating the same can include a first scintillator, a second scintillator, a plurality of first photosensitive elements, and a plurality of second photosensitive elements. The plurality of first photosensitive elements receives light from the first scintillator and has first photosensitive element characteristics chosen to cooperate with the first scintillator properties. The plurality of second photosensitive elements are arranged to receive light from the second scintillator and has second photosensitive element characteristics different from the first photosensitive element characteristics and chosen to cooperate with the second scintillator properties. Further, the first scintillator can have first scintillator properties and the second scintillator can have second scintillator properties different from the first scintillator properties.
    • 射线照相成像设备及其操作方法的实施例可以包括第一闪烁体,第二闪烁体,多个第一感光元件和多个第二感光元件。 多个第一感光元件接收来自第一闪烁体的光,并且具有选择与第一闪烁体性质配合的第一光敏元件特性。 多个第二光敏元件布置成接收来自第二闪烁体的光,并且具有与第一光敏元件特性不同的第二光敏元件特性,并选择与第二闪烁体特性配合。 此外,第一闪烁体可以具有第一闪烁体性质,而第二闪烁体可以具有与第一闪烁体性质不同的第二闪烁体性质。
    • 6. 发明授权
    • Long length multiple detector imaging apparatus and method
    • 长长度多检测器成像设备及方法
    • US08351568B2
    • 2013-01-08
    • US12557839
    • 2009-09-11
    • Todd R. MinnighTimothy J. Wojcik
    • Todd R. MinnighTimothy J. Wojcik
    • G01N23/083H05G1/02
    • A61B6/4266A61B6/505A61B6/5241
    • An apparatus for obtaining a long length x-ray image of a subject has a first x-ray detector, a second x-ray detector, and an x-ray source having an exposure directing apparatus that is actuable to direct exposure from the x-ray source towards at least a first imaging position during a first interval and a second imaging position during a second interval, with an overlap along a boundary between the at least first and second imaging positions. An x-ray detector holder has a detector translation apparatus that is actuable to translate at least one of the first and second x-ray detectors to an interim position for one of the first and second intervals and to either the first or the second imaging position for the other of the first and second intervals. A host controller is programmed to provide instructions for movement of the x-ray detector holder and exposure directing apparatus.
    • 用于获得被检体的长x射线图像的装置具有第一X射线检测器,第二X射线检测器和X射线源,该X射线检测器和X射线源具有能够直接从x射线照射的曝光的曝光引导装置, 射线源在第一间隔期间朝着至少第一成像位置和第二间隔期间的第二成像位置,沿着至少第一和第二成像位置之间的边界具有重叠。 X射线检测器支架具有检测器转换装置,其可致动以将第一和第二X射线检测器中的至少一个转换到第一和第二间隔中的一个的临时位置,以及第一或第二成像位置 对于第一和第二间隔中的另一个。 主机控制器被编程为提供用于X射线检测器支架和曝光引导装置的移动的指令。
    • 7. 发明授权
    • Apparatus for asymmetric dual-screen digital radiography
    • 非对称双屏数字射线照相设备
    • US07834321B2
    • 2010-11-16
    • US11487539
    • 2006-07-14
    • John YorkstonKwok-Leung YipTimothy J. Wojcik
    • John YorkstonKwok-Leung YipTimothy J. Wojcik
    • H01L27/146
    • G01T1/2018G21K4/00G21K2004/04
    • A radiographic imaging apparatus for taking X-ray images of an object includes a front panel and back panel. The panels have substrates, arrays of signal sensing elements and readout devices, and passivation layers. The front and back panels have scintillating phosphor layers responsive to X-rays passing through an object produce light which illuminates the signal sensing elements to provide signals representing X-ray images. The X-ray apparatus has means for combining the signals of the X-ray images to produce a composite X-ray image. Furthermore, the composition and thickness of the scintillating phosphor layers are selected, relative to each other, to improve the diagnostic efficacy of the composite X-ray image. Alternatively, a radiographic imaging apparatus has a single panel having arrays of signal sensing elements and readout devices and scintillating phosphor layers that are disposed on both sides of a single substrate.
    • 用于拍摄物体的X射线图像的放射线照相成像装置包括前面板和后面板。 面板具有基板,信号感测元件阵列和读出装置以及钝化层。 前面板和后面板具有响应穿过物体的X射线的闪烁荧光体层产生照亮信号感测元件的光,以提供表示X射线图像的信号。 X射线装置具有用于组合X射线图像的信号以产生复合X射线图像的装置。 此外,相对于彼此来选择闪烁荧光体层的组成和厚度,以提高复合X射线图像的诊断功效。 或者,放射线照相成像装置具有单个面板,其具有设置在单个基板的两侧上的信号感测元件和读出装置和闪烁荧光体层的阵列。
    • 8. 发明授权
    • Continuous ink jet print head with fixed position ink gutter compatible with hydrodynamic and wipe cleaning
    • 连续喷墨打印头与固定位置墨水槽兼容流体动力和擦拭清洁
    • US06250736B1
    • 2001-06-26
    • US09366819
    • 1999-08-04
    • Timothy J. Wojcik
    • Timothy J. Wojcik
    • B41J2165
    • B41J2/16552B41J2/16544B41J2/185
    • An ink jet printer maintenance or cleaning system (10) for continuous ink jet printing systems having an ink collecting gutter (12) on the print head (12, 46). The maintenance or cleaning system (10) generally comprises a hydrodynamic cleaning fluid nozzle (24) disposed within the print head (12, 46), a wiper (26, 52) for engaging the print head (12, 46), and a spittoon (28, 66) for collecting discharged cleaning fluid. Relative translational movement between the wiper (26, 52) and the print head (12, 46), along with a discharge of cleaning fluid from the hydrodynamic cleaning fluid nozzle (24), cleans the ink nozzle (18) of the print head (12, 46). In a preferred embodiment, the wiper (26, 52) is disposed on the spittoon (28), which is positioned along one end of the guide shafts (16a, 16b) such that movement of the print head (12) over the spittoon (28) causes the wiper (26) to engage the print head (12) and clean the ink nozzle (18). In an alternate embodiment, the wiper (52) is disposed on a wiper shuttle (44) that is slidably attached to the print head (44). As the print head (44) moves over the spittoon (66), a pair of pins (56a, 56b) along with a corresponding pair of mechanical stops (64a, 64b), causes the print head (44) to move relative to the wiper (52), thereby cleaning the print head (44).
    • 一种用于连续喷墨打印系统的喷墨打印机维护或清洁系统(10),其在打印头(12,46)上具有墨水收集槽(12)。 维护或清洁系统(10)通常包括设置在打印头(12,46)内的流体动力清洁流体喷嘴(24),用于接合打印头(12,46)的刮水器(26,52) (28,66),用于收集排出的清洁流体。 擦拭器(26,52)和打印头(12,46)之间的相对平移运动以及来自流体动力清洁流体喷嘴(24)的清洁流体的排放清洁打印头(12,46)的墨水喷嘴(18) 12,46)。 在优选实施例中,擦拭器(26,52)设置在痰盂(28)上,所述痰盂(28)沿导向轴(16a,16b)的一端定位,使得打印头(12)在痰盂 28)使擦拭器(26)接合打印头(12)并清洁墨水喷嘴(18)。 在替代实施例中,擦拭器(52)设置在可滑动地附接到打印头(44)的擦拭器梭(44)上。 当打印头(44)在痰盂(66)上移动时,一对销(56a,56b)连同相应的一对机械止动件(64a,64b)一起使得打印头(44)相对于 擦拭器(52),从而清洁打印头(44)。
    • 9. 发明授权
    • Low noise image data capture for digital radiography
    • 用于数字射线照相的低噪声图像数据采集
    • US07456409B2
    • 2008-11-25
    • US11191537
    • 2005-07-28
    • Sreeram DhurjatyTimothy J. Wojcik
    • Sreeram DhurjatyTimothy J. Wojcik
    • G01T1/24
    • G01T1/17G01T1/247H04N5/32
    • A low noise digital radiography image capture system employs a two-dimensional array of pixel sites in the image capture panel with each site having an analog-to-digital converter to digitize analog charge values produced by imaging radiation directly into corresponding digital data at the site prior to read-out to subsequent digital data processing electronics thereby avoiding noise and crosstalk problems associated with high frequency read-out of analog information. Fill factor problems caused by inclusion of integrated circuitry on the pixel site are minimized by inclusion of the A/D counter on the opposite side of the substrate support for the pixel site.
    • 低噪声数字放射摄影图像捕获系统采用图像捕获面板中的像素位置的二维阵列,每个位置具有模数转换器,以将通过成像辐射产生的模拟电荷值直接数字化到位于相应数字数据 在读取到后续的数字数据处理电子装置之前,从而避免与模拟信息的高频读出相关联的噪声和串扰问题。 通过在像素位置的衬底支架的相对侧上包含A / D计数器来最小化在像素位置处包含集成电路引起的填充因子问题。
    • 10. 发明申请
    • RETROFIT DIGITAL MAMMOGRAPHY DETECTOR
    • 改装数字电影检测器
    • US20080112535A1
    • 2008-05-15
    • US11558128
    • 2006-11-09
    • Timothy J. WojcikJeffrey W. ByngBradley S. JadrichMark E. ShaferKwok-Leung Yip
    • Timothy J. WojcikJeffrey W. ByngBradley S. JadrichMark E. ShaferKwok-Leung Yip
    • G01N23/04G01T1/20
    • A61B6/4233A61B6/502A61B6/563G01T1/244G01T1/2928
    • A digital radiography (20) detector has a first housing (18) having substantially the form factor of a film cassette and having a chest wall edge (C). The first housing (18) has an X-ray converter (70) with a detection array (26), each detector generating a signal according to an amount of radiation received. Readout electronics (74) are coupled with switching elements in the detection array for obtaining the signals therefrom. The readout electronics (74) include elements formed from crystalline silicon and are distributed toward outer edges of the first housing (18) and away from the chest wall edge (C). X-ray shielding selectively protects the readout electronics (74) and is located beneath a portion of the detection array. A second housing (40), electrically connected to the first housing (18) has a power source for the detector, readout and control electronics for obtaining signals provided from the detection array (26).
    • 数字射线照相(20)检测器具有基本上具有薄膜盒的形状因子并且具有胸壁边缘(C)的第一壳体(18)。 第一壳体(18)具有带有检测阵列(26)的X射线转换器(70),每个检测器根据所接收的辐射量生成信号。 读出电路(74)与检测阵列中的开关元件耦合,以从中获得信号。 读出电子器件(74)包括由晶体硅形成的元件,并朝向第一壳体(18)的外边缘分布并且远离胸壁边缘(C)。 X射线屏蔽选择性地保护读出电子器件(74)并且位于检测阵列的一部分下方。 电连接到第一壳体(18)的第二壳体(40)具有用于检测器的电源,用于获得从检测阵列(26)提供的信号的读出和控制电子装置。