Cathode ray tube digitizer
    1.
    发明授权
    Cathode ray tube digitizer 失效
    阴极射线管数字化仪

    公开(公告)号:US4005407A

    公开(公告)日:1977-01-25

    申请号:US575855

    申请日:1975-05-08

    Applicant: John D. Parks

    Inventor: John D. Parks

    CPC classification number: H03M1/245

    Abstract: A conventional CRT is modified to include a vertical column of electrodes bedded in the face of the CRT. A single valued function is displayed on the CRT and the vertical and horizontal gains are adjusted to produce the desired sweep on the face of the CRT. The horizontal sweep is then disabled and the sweep is compressed to a single axis, coincident with the column of electrodes. The electron beam, corresponding to the plot, generates signals on the electrodes which are encoded to binary outputs. By continually decoding each three consecutive outputs, corresponding points of the plot are determined.

    Abstract translation: 常规的CRT被修改为包括垂直于CRT面的电极列。 在CRT上显示单值功能,并调整垂直和水平增益以在CRT的表面产生所需的扫描。 然后水平扫描被禁用,扫描被压缩到单个轴线,与电极列重合。 对应于绘图的电子束在电极上产生编码为二进制输出的信号。 通过连续解码每个三个连续输出,确定绘图的对应点。

    Video digitizing system for single valued functions
    2.
    发明授权
    Video digitizing system for single valued functions 失效
    用于单值功能的视频数字化系统

    公开(公告)号:US4070692A

    公开(公告)日:1978-01-24

    申请号:US575894

    申请日:1975-05-08

    Applicant: John D. Parks

    Inventor: John D. Parks

    CPC classification number: G01R13/347 G01D5/39 G01R13/02 G01R17/04 G06F3/002

    Abstract: A visual plot of a single valued function is rotated orthogonally and theniewed by a TV camera. The camera output is recorded on a video recorder and then played back to a digitizer. The digitizer horizontally scans the rotated plot and detects the time interval for each horizontal scan to intersect a respective point on the rotated plot. The intervals correspond to the amplitude of different points along the plot. The information derived may be stored for subsequent data processing.

    Abstract translation: 单值功能的视觉曲线正交旋转,然后由电视摄像机观看。 相机输出记录在录像机上,然后播放到数字化仪。 数字化仪水平扫描旋转图,并检测每个水平扫描与旋转图上相应点相交的时间间隔。 间隔对应于沿着图的不同点的幅度。 可以存储导出的信息用于后续数据处理。

    Multistage spark gap with delay cables
    3.
    发明授权
    Multistage spark gap with delay cables 失效
    多段火花间隙带延时电缆

    公开(公告)号:US4367431A

    公开(公告)日:1983-01-04

    申请号:US169003

    申请日:1980-07-15

    Applicant: John D. Parks

    Inventor: John D. Parks

    CPC classification number: H01T4/12

    Abstract: The spark gap device disclosed herein comprises at least two sets of electrodes enclosed within a common chamber. A delay line is connected between successive sets of electrodes. An arc which develops across the first set of electrodes as a result of a voltage transient ionizes the gas in the chamber. The voltage transient is delayed by the time required to travel through the delay line. When the voltage transient arrives at the second set of electrodes, an arc develops in less time than was required at the first set of electrodes due to the fact that the gas in the chamber has been at least partially ionized.

    Abstract translation: 本文公开的火花隙装置包括封闭在公共室内的至少两组电极。 延迟线连接在连续的电极组之间。 由于电压瞬变而在第一组电极上产生的电弧使腔室中的气体电离。 电压瞬变延迟穿过延迟线所需的时间。 当电压瞬变到达第二组电极时,由于腔室中的气体已被至少部分电离的事实,电弧的发展时间要比第一组电极所需的时间少。

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