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    • 1. 发明授权
    • Radiographic detector including trap occupancy change monitor and feedback, imaging apparatus and methods using the same
    • 放射线检测器,包括陷阱占有率变化监测和反馈,成像设备及使用其的方法
    • US09097809B2
    • 2015-08-04
    • US13173384
    • 2011-06-30
    • Timothy J. TredwellMark E. Shafer
    • Timothy J. TredwellMark E. Shafer
    • G01T1/20H04N5/359H04N5/325H04N5/32
    • G01T1/2018H04N5/3205H04N5/325H04N5/3597
    • Embodiments of radiographic imaging systems; digital radiography detectors and methods for using the same can monitor and/or control trap occupancy levels in photosensors of radiographic sensors (e.g., DR FPDs). In exemplary radiographic imaging apparatus embodiments, monitoring of trap occupancy or change in trap occupancy of the photosensor can determine whether an imaging array or detector panel has reached a stable operating point. In another embodiment, trap occupancy information can be used (a) to enable a generator (e.g., x-ray source) for a radiographic exposure and/or (b) to adjust to or to maintain a change in trap occupancy level at pre-determined set-point or to adjust to or maintain a change in trap occupancy level within a prescribed range (e.g., using clock signals and bias voltages applied to the photosensor).
    • 射线成像系统的实施例; 数字放射线检测器及其使用方法可以监测和/或控制放射线照相传感器(例如,DR FPD)的光电传感器中的陷阱占有率。 在示例性放射线照相成像设备实施例中,监视光束传感器的陷阱占有率或陷阱占有率的变化可以确定成像阵列或检测器面板是否已经达到稳定的工作点。 在另一个实施例中,可以使用陷阱占用信息(a)使得发射器(例如,x射线源)能够用于放射照相曝光和/或(b)调整到或保持预置的陷阱占有率水平的变化, 或者在规定范围内(例如,使用施加到光电传感器的时钟信号和偏置电压)来调整或维持陷阱占有率的变化。
    • 4. 发明授权
    • Imaging array for multiple frame capture
    • 用于多帧捕获的成像阵列
    • US08558929B2
    • 2013-10-15
    • US11613394
    • 2006-12-20
    • Timothy J. Tredwell
    • Timothy J. Tredwell
    • H04N3/14G01T1/24
    • H04N5/37452H04N5/3741
    • An imaging array has a plurality of pixel sites (22), each having a photosensing element (24) providing a variable signal in response to incident radiation. A first frame storage circuit (46a) is electrically coupled to the photosensing element and has a first charge storage element for storing a first photosensing element signal and a first switching element (26) to switch the photosensing element to the first frame storage circuit. A second switching element (26) switches the first charge storage element (32) for reading the signal stored. A second frame storage circuit (46b) is electrically coupled to the photosensing element and has a second charge storage element for storing a second signal. A third switching element (26) switches the photosensing element to the second frame storage circuit. A fourth switching element (26) switches the second charge storage element for reading the signal stored.
    • 成像阵列具有多个像素位置(22),每个像素位置(22)具有响应入射辐射提供可变信号的光敏元件(24)。 第一帧存储电路(46a)电耦合到光敏元件,并且具有用于存储第一光敏元件信号的第一电荷存储元件和用于将光敏元件切换到第一帧存储电路的第一开关元件(26)。 第二开关元件(26)切换第一电荷存储元件(32)以读取存储的信号。 第二帧存储电路(46b)电耦合到光敏元件,并具有用于存储第二信号的第二电荷存储元件。 第三开关元件(26)将光敏元件切换到第二框架存储电路。 第四开关元件(26)切换第二电荷存储元件以读取所存储的信号。
    • 5. 发明授权
    • Digital radiographic detector array including spacers and methods for same
    • 数字放射线检测器阵列,包括间隔物及其方法
    • US08558185B2
    • 2013-10-15
    • US12973991
    • 2010-12-21
    • Timothy J. Tredwell
    • Timothy J. Tredwell
    • G01T1/20
    • H01L27/14663H01L27/14603
    • Embodiments relate to detector imaging arrays with scintillators (e.g., scintillating phosphor screens) mounted to imaging arrays. For example, the detector arrays comprise spacers to define a space between or separate the scintillator from the imaging array and a component of the imaging array is formed over the spacers. Embodiments according to present teachings can provide projection radiographic imaging apparatuses and methods including increased fill factors. Embodiments according to present teachings can provide projection radiographic imaging apparatuses, including a scintillator, an imaging array including a plurality of pixels formed over a substrate, and a plurality of spacers disposed between an active surface of the imaging array and the scintillator, where a component of the imaging array is over at least one of the spacers. The spacers can adjust light transmittance between the imaging array and the scintillator.
    • 实施例涉及具有安装到成像阵列的闪烁体(例如闪烁荧光屏)的检测器成像阵列。 例如,检测器阵列包括间隔物,以限定闪烁体与成像阵列之间的间隔,并且将成像阵列的部件形成在间隔物上。 根据本教导的实施例可以提供投影放射线成像设备和包括增加填充因子的方法。 根据本发明的实施例可以提供投影放射线照相成像设备,包括闪烁体,包括形成在衬底上的多个像素的成像阵列,以及设置在成像阵列的有效表面和闪烁体之间的多个间隔件,其中, 的成像阵列在至少一个间隔物之上。 间隔物可以调节成像阵列和闪烁体之间的透光率。
    • 6. 发明授权
    • Continuous large area imaging and display arrays using readout arrays fabricated in silicon-on-glass substrates
    • 使用在硅玻璃基板上制造的读出阵列的连续大面积成像和显示阵列
    • US08252617B2
    • 2012-08-28
    • US13357694
    • 2012-01-25
    • Timothy J. Tredwell
    • Timothy J. Tredwell
    • H01L21/00
    • H01L31/101H01L27/14632H01L27/14663H01L27/14687H01L31/115
    • A vertically-integrated image sensor is proposed with the performance characteristics of single crystal silicon but with the area coverage and cost of arrays fabricated on glass. The image sensor can include a backplane array having readout elements implemented in silicon-on-glass, a frontplane array of photosensitive elements vertically integrated above the backplane, and an interconnect layer disposed between the backplane array and the image sensing array. Since large area silicon-on-glass backplanes are formed by tiling thin single-crystal silicon layers cleaved from a thick silicon wafer side-by-side on large area glass gaps between the tiled silicon backplane would normally result in gaps in the image captured by the array. Therefore, embodiments further propose that the pixel pitch in both horizontal and vertical directions of the frontplane be larger than the pixel pitch of the backplane, with the pixel pitch difference being sufficient that the frontplane bridges the gap between backplane tiles.
    • 提出了一种垂直集成的图像传感器,其具有单晶硅的性能特性,但具有在玻璃上制造的阵列的面积覆盖和成本。 图像传感器可以包括具有实现在玻璃上玻璃上的读出元件的背板阵列,垂直集成在背板上方的感光元件的前平面阵列,以及布置在背板阵列和图像感测阵列之间的互连层。 由于大面积的硅玻璃背板是通过在平铺的硅背板之间的大面积玻璃间隙上平铺从厚硅晶片并排分离的薄的单晶硅层而形成的,通常会导致图像中的间隙 阵列。 因此,实施例进一步提出,前平面的水平和垂直方向上的像素间距大于背板的像素间距,像素间距差足以使前平面桥接背板瓦片之间的间隙。
    • 7. 发明申请
    • APPARATUS AND METHODS FOR HIGH PERFORMANCE RADIOGRAPHIC IMGAGING ARRAY INCLUDING REFELCTIVE CAPABILTIY
    • 高性能射线捕获阵列的装置和方法,包括反射能力
    • US20120168633A1
    • 2012-07-05
    • US12982940
    • 2010-12-31
    • Timothy J. Tredwell
    • Timothy J. Tredwell
    • G01T1/20G01T1/24
    • G01T1/2018
    • Embodiments of methods/apparatus according to the application can include radiographic imaging device comprising an imaging array of pixels or a plurality of photosensors including a first side to receive light from a scintillator and a second side to pass second light responsive to impingement of the scintillator light and a reflective layer configured to reflect third light responsive to impingement of the second light. Exemplary photosensors can absorb a prescribed amount of the scintillator light received through a first transparent side and the third light received through a second transparent side. Exemplary reflective arrangements can be selected based upon scintillotor emission characteristics and/or photosensor absorption characteristics. Embodiments of radiographic detector arrays and methods can reduce photosensor thickness to reduce noise, reduce image lag and/or increase charge capacity. Embodiments can maintain the quantum efficiency of a reduced thickness photosensor.
    • 根据本申请的方法/装置的实施例可以包括包括像素的成像阵列或多个光电传感器的放射线照相成像装置,所述成像阵列包括第一侧以接收来自闪烁体的光,并且第二侧响应于闪烁体光的撞击而传递第二光 以及反射层,被配置为响应于所述第二光的撞击而反射第三光。 示例性光电传感器可以吸收通过第一透明侧接收的规定量的闪烁体光,并且通过第二透明侧吸收第三光。 可以基于闪烁扫描仪发射特性和/或光电传感器吸收特性来选择示例性的反射布置。 放射线检测器阵列和方法的实施例可以降低光电传感器厚度以减少噪声,降低图像滞后和/或增加电荷容量。 实施例可以保持减小厚度光电传感器的量子效率。
    • 10. 发明授权
    • System for updating a content bearing medium
    • 用于更新内容承载媒体的系统
    • US08035482B2
    • 2011-10-11
    • US10935137
    • 2004-09-07
    • Roger S. KerrTimothy J. Tredwell
    • Roger S. KerrTimothy J. Tredwell
    • H04Q5/22
    • G06K19/04G06K19/045G06Q20/206
    • The invention is directed to content bearing mediums having a capacity to receive additional content and systems and methods for updating and presenting content recorded on a content bearing medium, e.g., video cassette tape, CD or DVD, digital memory, game cartridges. In one aspect of the invention, a content bearing medium is provided. The content bearing medium has a content bearing signal stored thereon and a communication circuit. The communication circuit is adapted to exchange wireless signals with a remote programming device and to store an additional content bearing signal in a memory based upon the signals exchanged. The communication circuit is further adapted to transmit the additional content signals upon request by a player of the content bearing medium so that the player can receive the additional content signals and present an output that is based, at least in part, upon the stored signals.
    • 本发明涉及具有接收附加内容的能力的内容承载媒体以及用于更新和呈现记录在内容承载介质(例如,盒式录像带,CD或DVD,数字存储器,游戏盒)上的内容的系统和方法。 在本发明的一个方面,提供一种承载载体的介质。 内容承载媒体具有存储在其上的内容承载信号和通信电路。 通信电路适于与远程编程设备交换无线信号,并且基于交换的信号将附加的内容承载信号存储在存储器中。 该通信电路还适于根据内容承载介质的玩家的请求来发送附加内容信号,使得玩家可以接收附加的内容信号并且呈现至少部分地基于所存储的信号的输出。