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1. 发明授权

US4910592A Radiation imaging automatic gain control 失效
标题翻译：辐射成像自动增益控制
公开(公告)号：US4910592A
公开(公告)日：1990-03-20
申请号：US143629
申请日：1988-01-13
申请人： Robert E. Shroy, Jr. , Leonard F. Plut , David Nicolay , Louis A. Paradiso , Charles G. Cassudakis
发明人： Robert E. Shroy, Jr. , Leonard F. Plut , David Nicolay , Louis A. Paradiso , Charles G. Cassudakis
IPC分类号： H04N5/243 , H04N5/32 , H05G1/64
CPC分类号： H04N5/32 , H04N5/243 , H05G1/64
摘要： An x-ray imaging system incorporating a television imaging chain is disclosed. The system includes automatic gain control circuitry, operable upon the video signal produced by the camera of the television imaging chain. The gain control circuitry affords automatic gain control capability for increasing the video gain in response to an undesired decrease in video output signal level. The gain control circuitry, however, is constrained in that it includes circuitry for establishing a minimum video gain which is always maintained during a study, irrespective of increases in brightness of an overall sample window area of the image, which could otherwise cause undesirable darkening of areas of interest in the image when the sample window also includes uninteresting structure which happens to exhibit a bright field.
摘要翻译：公开了一种包含电视成像链的X射线成像系统。该系统包括自动增益控制电路，可根据由电视成像链的照相机产生的视频信号进行操作。增益控制电路提供自动增益控制能力，以响应于视频输出信号电平的不期望的降低而增加视频增益。然而，增益控制电路被限制在于，其包括用于建立在研究期间始终保持的最小视频增益的电路，而不管图像的整体采样窗口区域的亮度增加，否则可能导致不期望的变暗当样本窗口还包括恰好呈现亮场的不感兴趣的结构时，图像中的感兴趣区域。

2. 发明授权

US5092859A One piece collapsible urology drain pan 失效
标题翻译：一件可折叠尿液排水盘
公开(公告)号：US5092859A
公开(公告)日：1992-03-03
申请号：US615878
申请日：1990-11-20
申请人： Dennis K. Everett , Charles G. Cassudakis , Kenneth M. Haney
发明人： Dennis K. Everett , Charles G. Cassudakis , Kenneth M. Haney
IPC分类号： A61G13/00 , A61G13/10
CPC分类号： A61G13/102 , A61G13/0009 , A61G13/1235
摘要： A one piece plastic drain pan (24) is mounted to an examination end (14) of a urology table (10). The pan includes an integrally constructed vertical inner end wall (28), a sloping outer end wall (34), a pair or opposite side walls (30), (32), and a bottom wall (36) through which a drain port (38) is defined. The plastic material, particularly in the side walls has sufficient plastic memory that as a physician leans against the outer end wall (34), the side walls bow outward compressing the end walls toward each other. When the pressing force is removed, the end walls return themselves to the non-flexed position and the end walls move apart. Plates (50, 52) clamp the inner end wall (28) of the plastic drain pan securely therebetween. The plates have flanges (54) which are received in mating slots (56) in the examination end (14) of the urology table. A folding screen arrangement (60) provides a convenient storage surface for examination tools and separates stones, tissue, and the like from drained fluids. The drain pan has integrally connected horizontal flanges (42, 44) adjacent the side walls and a rolled flange along the outer end wall.
摘要翻译：一个塑料排水盘（24）安装在泌尿表（10）的检查端（14）上。盘包括一体构造的垂直内端壁（28），倾斜的外端壁（34），一对或相对的侧壁（30），（32）和底壁（36），排水口 38）被定义。特别是在侧壁中的塑料材料具有足够的塑料记忆，当医师靠在外端壁（34）上时，侧壁向外侧向向外压迫端壁朝向彼此。当按压力被去除时，端壁自身返回到非弯曲位置，并且端壁移开。板（50,52）将塑料排水盘的内端壁（28）牢固地夹在其间。板具有凸缘（54），其接收在泌尿表的检查端（14）中的配合槽（56）中。折叠屏幕布置（60）为检查工具提供方便的存储表面，并从排出的流体分离石头，组织等。排水盘具有与侧壁相邻的一体连接的水平凸缘（42,44）和沿着外端壁的滚动凸缘。

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