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1. 外观设计

USD326908S Diagnostic scanner control console 失效
公开(公告)号：USD326908S
公开(公告)日：1992-06-09
申请号：US276440
申请日：1988-11-23
申请人： Robert C. Gilbert , Anton Z. Zupancic , Nicholas C. Wislocki , Robert A. Cecil , Gregory S. Breiding
设计人： Robert C. Gilbert , Anton Z. Zupancic , Nicholas C. Wislocki , Robert A. Cecil , Gregory S. Breiding

2. 外观设计

USD324104S Computerized tomographic scanner control keyboard 失效
公开(公告)号：USD324104S
公开(公告)日：1992-02-18
申请号：US276441
申请日：1988-11-23
申请人： Robert A. Cecil , Nicholas C. Wislocki , Robert Grisar
设计人： Robert A. Cecil , Nicholas C. Wislocki , Robert Grisar

3. 发明授权

US4991193A System safety monitor for CT scanners 失效
标题翻译： CT扫描仪系统安全监控器
公开(公告)号：US4991193A
公开(公告)日：1991-02-05
申请号：US276145
申请日：1988-11-25
申请人： Robert A. Cecil , Nicholas C. Wislocki , Micheal J. Petrillo
发明人： Robert A. Cecil , Nicholas C. Wislocki , Micheal J. Petrillo
IPC分类号： A61B6/03 , A61B5/055 , A61B6/10
CPC分类号： A61B6/10 , A61B6/4488 , G05B2219/24042 , G05B2219/24167 , G05B2219/2652
摘要： A gantry (A) of a CT scanner system has an x-ray tube (10) and radiation detectors (14) which produce patient diagnostic data. An operator using a keyboard (20) or other manual controls operates the x-ray tube and other components of the gantry. The operator also causes a central processing unit (C) to process the diagnostic data with a selected algorithm to provide diagnostic information for display on a display (24). The same keyboard and displays are also utilized in routine service and repair processes. A system monitor (E) compares operating conditions sensed by sensors (50), such as operating temperatures and compares them with acceptable operating conditions. When the sensed conditions are unacceptable, a timer (60) is started and shuts down (68) gantry operation after a preselected duration. The operator can override (72) the timed shut down, but each such override is recorded (74) in permanent storage (32). The comparing means also compares software identification codes either for software selected on touch sensitive areas (76) of the display screen or from new software identifications read on a disk drive (22). If the identification of the requested or received software matches an authorized software identification, the software is utilized for diagnostic or service purposes. Other use of the software is blocked and the identification of any software sought to be entered is stored in the memory (32). To initiate a CT scan, a ready button (40) starts a timer (44) which enables a start button (42) to control the power to the CT scanner for a selected short duration, e.g. 30 seconds.

4. 外观设计

USD322780S Computer control panel 失效
公开(公告)号：USD322780S
公开(公告)日：1991-12-31
申请号：US275790
申请日：1988-11-23
申请人： Nicholas C. Wislocki , Robert A. Cecil , John D. Geither
设计人： Nicholas C. Wislocki , Robert A. Cecil , John D. Geither

5. 发明授权

US4933670A Multi-axis trackball 失效
标题翻译：多轴轨迹球
公开(公告)号：US4933670A
公开(公告)日：1990-06-12
申请号：US222417
申请日：1988-07-21
申请人： Nicholas C. Wislocki
发明人： Nicholas C. Wislocki
IPC分类号： G06F3/033
CPC分类号： G06F3/03549 , G06F3/0312
摘要： A first electromechanical transducer (40) generates a first electrical signal indicative of rotation of a ball (A) relative to a first axis. A second electromechanical transducer (50) generates a second electrical signal indicative of rotation of the ball relative to a second axis. A third electromechanical transducer (60) generates a third electrical signal indicative of rotation of an annular ring (12) around the periphery of the ball, i.e. a third axis. A resolver circuit (D) converts the first, second, and third electrical signals into an indication of movement or position along the first, second, and third axes.

6. 发明授权

US4845771A Exposure monitoring in radiation imaging 失效
标题翻译：辐射成像中的曝光监测
公开(公告)号：US4845771A
公开(公告)日：1989-07-04
申请号：US67923
申请日：1987-06-29
申请人： Nicholas C. Wislocki , Susan L. Fike
发明人： Nicholas C. Wislocki , Susan L. Fike
IPC分类号： H05G1/30 , H05G1/36 , H05G1/42 , H05G1/44
CPC分类号： H05G1/30 , H05G1/36 , H05G1/42 , H05G1/44
摘要： A system and method for monitoring progress of a radiographic exposure is disclosed. The system samples the cumulative radiation as an exposure progresses, and aborts the exposure if the rate of rise in cumulative radiation is insufficiently low to cause a good exposure. Similarly, the system will terminate an exposure early, at a properly timed out interval, even if the radiation accumulation rises excessively fast due to an erroneous system set up.
摘要翻译：公开了一种用于监测放射照相曝光进展的系统和方法。当曝光进行时，系统对累积辐射进行采样，如果累积辐射的上升速率不足以导致良好的曝光，则中断曝光。类似地，即使由于错误的系统设置而导致的辐射积聚过快，系统将以适当的超时间隔提前终止曝光。

7. 发明授权

US5263099A High speed window and level function modification for real time video processing 失效
标题翻译：高速窗口和级别功能修改用于实时视频处理
公开(公告)号：US5263099A
公开(公告)日：1993-11-16
申请号：US438690
申请日：1989-11-17
申请人： James Kapcio , Nicholas C. Wislocki
发明人： James Kapcio , Nicholas C. Wislocki
IPC分类号： A61B6/00 , A61B5/055 , A61B6/03 , G06T1/00 , G06T5/20 , G06T5/40 , G06K9/40 , G06F15/00
CPC分类号： G06T5/009 , G06T5/40 , G06T2207/10116
摘要： A CT scanner (10) non-invasively examines a region of interest of a patient to create an image representation that is stored in an image memory (14). Each pixel of the image representation has a relatively large number of bits of radiation intensity resolution, e.g. 14 bits or 16k levels, which is larger than the gray scale resolution of a conventional video monitor (24), e.g. 8 bits or 256 levels. A look-up table (38) digitally filters each pixel value with digital filter values to reduce the number of levels of each pixel value to the number of gray scale levels displayable by the video monitor. While the image is being displayed, the operator selectively adjusts the digital filtering to optimize the displayed image for the intended diagnostic purpose. During the vertical flyback or other non-display periods of the video monitor, a central processor (30) generates most significant bits of addresses that read digital filter longwords from a filter memory (44). A multiplexer (54) breaks each word into a plurality of filter values or bytes which are serially conveyed to the digital filter look-up table. A least significant bit address generator (62) generates the least significant bits of the address for each filter value concurrently with its conveyance to the look-up table. The multiplexer and least significant bit address generator are clocked at a faster rate than the central processor such that within one read clock pulse of the central processor, a plurality of digital filter values are loaded into the digital filter look-up table. In this manner, image filtering via look-up table in real time is enhanced through an improved, faster loading method.

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