Priority interrupt system
    11.
    发明授权
    Priority interrupt system 失效
    优先中断系统

    公开(公告)号:US3815105A

    公开(公告)日:1974-06-04

    申请号:US40091473

    申请日:1973-09-26

    发明人: ADKINS W CARTER C

    IPC分类号: G06F13/26 G06M11/04 G06F9/18

    CPC分类号: G06F13/26 G06M11/04

    摘要: A computer priority interrupt system minimizes the computer time required to service the request of peripheral equipment. The interrupt system is priority structured with an interrupt identifier circuit which identifies the peripheral requesting service without requiring polling of all peripheral units. Priority interlocked gates, one associated with each peripheral unit, are connected in series in the order of priority. Request signals from lower priority peripheral units are passed through the interlock gate when the gates are enabled. Bistable circuitry associated with each peripheral unit blocks transmission of request signals from equal or lower priority units when the bistable circuitry is set. An encoder generates a code identifying the peripheral unit being serviced. This obviates the requirement for polling to determine which unit is being serviced.

    摘要翻译: 计算机优先中断系统可最大限度地减少外部设备请求所需的计算机时间。 中断系统优先用中断标识符电路进行结构,该电路识别外围请求服务,而不需要轮询所有外围设备。 与每个外围单元相关联的优先联锁门按优先级顺序串联连接。 当门使能时,来自低优先级外围设备的请求信号通过互锁门。 当双稳态电路被设置时,与每个外围单元相关联的双稳态电路阻止来自相同或较低优先级单元的请求信号的传输。 编码器生成识别被维修的外围设备的代码。 这样就无需轮询来确定正在处理哪个单位。

    Automatic object counter
    19.
    发明授权
    Automatic object counter 失效
    自动对象计数器

    公开(公告)号:US4203029A

    公开(公告)日:1980-05-13

    申请号:US883996

    申请日:1978-03-06

    IPC分类号: G01B11/02 G01B11/28 G06M11/04

    摘要: An automatic counter which can scan either micro or macro sized objects in a field and provide both a visual display of the scanned objects as well as a digital count or measurement of the objects. A video camera is focused onto the sample and produces a video output signal which is processed and ultimately displayed on a video display together with an appropriate flag signal on each object identified. An aperture generator generates an electronic aperture signal whereby a particular area can be selected as to both size and shape and the selected area is displayed on the monitor screen of the video display. A compensation circuit provides additional counts to compensate for those cases where the entire area of a sample is not counted. An absolute area circuit provides a silhouette around each identified object and can provide an absolute measurement of the area within the silhouettes as well as a measurement of the total area of the selected aperture. A percent area circuit provides the area ratio count of the objects detected relative to the total aperture area. A size discriminating circuit allows selectivity of objects to be counted based on their size. A density circuit allows selectivity of objects to be counted or measured based on their optical absorption parameters. A special circuit determines and automatically adjusts to the optimum operating level. A circuit is available to provide size histograms of objects in the field of view. Further a three-way illuminating system is provided and utilized when operating in the macro mode.

    摘要翻译: 一种自动计数器,可以扫描场中的微尺寸或大尺寸物体,同时提供被扫描物体的可视显示以及物体的数字计数或测量。 视频摄像机被聚焦在样本上并产生视频输出信号,该视频输出信号被处理并最终显示在视频显示器上,并且在所标识的每个对象上连同适当的标志信号。 孔径发生器产生电子孔径信号,由此可以选择尺寸和形状的特定区域,并且所选区域显示在视频显示器的监视器屏幕上。 补偿电路提供额外的计数,以补偿不计入样品整个区域的情况。 绝对区域电路提供每个识别对象周围的轮廓,并且可以提供剪影内的区域的绝对测量以及所选择的光圈的总面积的测量。 百分比面积电路提供了相对于总开口面积检测到的物体的面积比例计数。 尺寸鉴别电路允许对象的选择性根据其尺寸进行计数。 密度电路允许对象的选择性根据其光吸收参数进行计数或测量。 一个特殊的电路决定并自动调节到最佳的操作水平。 电路可用于在视野中提供对象的尺寸直方图。 此外,当在宏模式下操作时,提供并利用三路照明系统。

    Method and means for electronic image analysis within a raster-scanned
field
    20.
    发明授权
    Method and means for electronic image analysis within a raster-scanned field 失效
    在光栅扫描领域内进行电子图像分析的方法和手段

    公开(公告)号:US3980812A

    公开(公告)日:1976-09-14

    申请号:US542012

    申请日:1975-01-17

    IPC分类号: G06M11/04 H04N7/18

    CPC分类号: G06M11/04

    摘要: The invention contemplates an improved method of electronic-image analysis within a field of raster-scanned subject matter in which each scanning line lying within the boundaries of an object to be evaluated supplies by means of a discriminator a binary signal corresponding to the line length between object-boundary intercepts for the particular line. The improvement involves production of a localized search signal synchronized with raster scanning such that the search signal is effectively located within at least part of the scan-line coverage of the object. The search signal is used to control for each scan line the delay time of the binary signal of the same scan line, said delayed binary signal starting an output signal, the delay time of said binary signal being so controlled that it lies between a scan line period T.sub.1 and a minimum time T.sub.2 and depends upon the time interval between the start of said binary signal and of said output signal. The output signal in each following scan line is started by the delayed output signal of the foregoing scan line or the output signal of the line just scanned, depending upon which signal starts earlier. The binary signal of each scan line is also separately delayed by one scan line period in order to produce an anticoincidence pulse when the thus-delayed binary signal and instantaneously produced binary signal fail to overlap. Finally, an evaluation-output signal is produced upon observation of coincidence as between the output signal and the anticoincidence pulse.

    摘要翻译: 本发明考虑了在光栅扫描主题领域内的电子图像分析的改进方法,其中位于待评估对象的边界内的每条扫描线通过鉴别器提供与二维信号相对应的二进制信号,该二进制信号对应于 特定行的对象边界拦截。 改进涉及产生与光栅扫描同步的局部搜索信号,使得搜索信号有效地位于对象的扫描线覆盖的至少部分内。 搜索信号用于对每个扫描线控制相同扫描线的二进制信号的延迟时间,所述延迟的二进制信号启动输出信号,所述二进制信号的延迟时间被如此控制,使得它位于扫描线 周期T1和最小时间T2,并且取决于所述二进制信号的开始与所述输出信号之间的时间间隔。 每个后续扫描线中的输出信号由上述扫描线的延迟输出信号或刚被扫描的线的输出信号开始,这取决于哪个信号较早启动。 每个扫描线的二进制信号也被单独延迟一个扫描线周期,以便当如此延迟的二进制信号和瞬时产生的二进制信号不重叠时产生防焦点脉冲。 最后,通过观察输出信号和反重合脉冲之间的一致性来产生评估输出信号。