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    • 51. 发明授权
    • Drop-out detecting system for video recording magnetic tape
    • 视频录像磁带丢失检测系统
    • US4238777A
    • 1980-12-09
    • US68545
    • 1979-08-22
    • Akira OkadaYoshio MikameRyoiti Aizawa
    • Akira OkadaYoshio MikameRyoiti Aizawa
    • G01R33/12G01N27/82G11B5/035G11B5/84G11B20/18G11B23/50H04N5/78
    • G11B23/502G11B20/18G11B5/035
    • A drop-out on an oblique video channel of a video recording magnetic tape is recognized by marking a signal on the voice channel relating to that drop-out. The marking signal on the voice channel is positioned on the line perpendicular to the moving direction of the tape, and the drop-out resides on said line. After developing the tape thus marked, the mark is first visually recognized, and the corresponding drop-out is detected also visually on said line. The apparatus for marking on the voice channel corresponding a drop-out comprises of a tape running means having at least a helical scan head for reading the signal recorded magnetically on an oblique video channel of the tape to be tested, and a voice channel head positioned apart from said helical scan head along the path of the tape; a drop-out detector connected to the output of said helical scan head of the tape running means; a drop-out position detector consisting of a counter, which is initiated by the head element switching signal of said helical scan head from said tape running means, and said counter being decremented or incremented by the predetermined pulse train for providing the position (k) of the drop-out on an oblique video channel, a delay calculator for providing the marking signal after the time C.sub.1 k+C.sub.2 (where C.sub.1 and C.sub.2 are constants) elapses from the detection of the drop-out by said drop-out detector; and means for providing a marking signal to said voice channel head of said tape running means upon receipt of said marking signal from the delay calculator.
    • 在视频记录磁带的倾斜视频通道上的辍学通过在与该辍学相关的语音信道上标记信号来识别。 语音通道上的标记信号位于垂直于磁带移动方向的线上,而辍学位于所述线上。 在显影如此标记的胶带之后,首先在视觉上识别标记,并且在所述行上也可视地检测出相应的脱落。 用于在对应于辍学的语音信道上进行标记的设备包括具有至少一个螺旋扫描头的磁带运行装置,用于读取磁性地记录在待测试磁带的倾斜视频通道上的信号,以及定位 除了沿着带的路径的所述螺旋扫描头之外; 连接到所述带运行装置的所述螺旋扫描头的输出端的脱出检测器; 一个由计数器组成的出口位置检测器,由计数器由所述磁带运行装置的所述螺旋扫描头的头部元件切换信号启动,并且所述计数器由预定的脉冲串递减或递增,以提供位置(k) 在倾斜视频通道上的辍学的延迟计算器,用于在时间C1k + C2之后提供标记信号的延迟计算器(其中C1和C2是常数)从所述辍学检测器的辍学检测中经过; 以及用于在从所述延迟计算器接收到所述标记信号时向所述磁带运行装置的所述语音通道磁头提供标记信号的装置。
    • 60. 发明授权
    • Generating functional test scripts
    • 生成功能测试脚本
    • US07996819B2
    • 2011-08-09
    • US12575318
    • 2009-10-07
    • Akira Okada
    • Akira Okada
    • G06F9/44G06F11/00
    • G06F11/3414G06F11/3684
    • A method for eliminating ambiguity and incorrectness of the specification determined in a requirement defining phase in developing an information system, and systematically verifying whether an automatically executed test scenario agrees with the original requirements in a functional testing phase, includes extracting an input variable, an output variable, and the respective types of the variables from a specification file in screens; extracting screen-transition information from a composite functional specification containing specifications in screens; and executing the following processes from the top for each screen that appears in screen transition. For the input variable, the apparatus generates a test script indicative of an action (clicking or a character set) corresponding to an object associated with the input variable. For the output variable, the apparatus generates a test script for comparing text information displayed on a screen with an expected value determined from the output variable.
    • 一种用于消除在开发信息系统中定义阶段的要求中确定的规范的不明确性和不正确性的方法,并且系统地验证自动执行的测试场景是否与功能测试阶段中的原始需求一致,包括提取输入变量,输出 变量,以及屏幕中规范文件中各变量的类型; 从包含屏幕中的规格的复合功能规范提取屏幕转换信息; 并从屏幕转换中出现的每个屏幕的顶部执行以下处理。 对于输入变量,设备生成指示对应于与输入变量相关联的对象的动作(点击或字符集)的测试脚本。 对于输出变量,设备生成用于将屏幕上显示的文本信息与从输出变量确定的期望值进行比较的测试脚本。