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    • 94. 发明授权
    • Keyboard strobe generation system
    • 键盘频闪发生系统
    • US4375036A
    • 1983-02-22
    • US157748
    • 1980-06-09
    • Robert C. MillerDavid B. O'Keefe
    • Robert C. MillerDavid B. O'Keefe
    • H03M11/02H03K17/56H03K5/00
    • H03M11/02
    • A strobe generator in a data entry input device is responsive to an input strobe signal from a keyboard system to generate a strobe signal which is not affected by electrical noise produced by electrostatically or electromagnetically induced signals in the signal lines running between the keyboard system and the data entry device input logic. An accurate output strobe signal is generated by utilizing a retriggerable logic circuit to filter out noise signals of a duration shorter than a predetermined period. The predetermined period is chosen to be less than the minimum duration of a valid input strobe signal and greater than the duration of active noise signals. The strobe generator retains the output strobe signal in the active state by use of a flip-flop until the strobe generator receives a reset signal acknowledging that the output strobe signal has been sampled by the data entry device input logic. Once set, the flip-flop will remain set and its corresponding output strobe signal remain active until reset, even if subsequent input strobe signals of less than or greater than the predetermined period are received.
    • 数据输入输入设备中的选通发生器响应于来自键盘系统的输入选通信号,以产生不受在键盘系统和键盘系统之间运行的信号线中的静电或电磁感应信号产生的电噪声的选通信号的影响 数据输入设备输入逻辑。 通过利用可再触发逻辑电路来滤除短于预定周期的持续时间的噪声信号来产生精确的输出选通信号。 选择预定周期小于有效输入选通信号的最小持续时间并且大于有效噪声信号的持续时间。 选通发生器通过使用触发器将输出选通信号保持在激活状态,直到选通发生器接收到确认输出选通信号已被数据输入装置输入逻辑采样的复位信号为止。 一旦设置,即使接收到小于或大于预定周期的后续输入选通信号,触发器将保持置位,并且其对应的输出选通信号保持有效直到复位。
    • 95. 发明授权
    • Device for measuring vibration phase and amplitude
    • 用于测量振动相位和振幅的装置
    • US4321464A
    • 1982-03-23
    • US114921
    • 1980-01-24
    • Robert C. Miller
    • Robert C. Miller
    • G01H9/00G01D5/34
    • G01H9/006
    • A device for measuring vibration is herein disclosed and claimed, said device comprising: a vane attached to a vibratory member; a light supply and at least one detector; and light guides. The vane includes or is attached to a mask having therein a plurality of light directing and light opaque elements. During vibration the mask travels transversely of the light path. The elements of the mask may be encoded, as with a Gray Code, so as to yield both amplitude and phase information. Or the elements may be so arranged as to chop the light into a plurality of pulses for each vibration of the vane through the use of a second, stationary mask. In either case the device yields information whose interpretation is substantially independent of fluctuations in the intensity of the source light.
    • 本文公开并要求保护用于测量振动的装置,所述装置包括:附接到振动构件的叶片; 光源和至少一个检测器; 和导光板。 叶片包括或附接到其中具有多个光导和不透光元件的掩模。 在振动期间,掩模横向于光路。 掩码的元素可以与格雷码一样被编码,以产生幅度和相位信息。 或者这些元件可以被布置成通过使用第二固定掩模将光斩成为叶片的每个振动的多个脉冲。 在任一情况下,该装置产生的信息的解释基本上与源光强度的波动无关。
    • 96. 发明授权
    • Parallel generation of serial cyclic redundancy check
    • 并行生成串行循环冗余校验
    • US4312068A
    • 1982-01-19
    • US884465
    • 1978-03-07
    • Gary J. GossRobert C. Miller
    • Gary J. GossRobert C. Miller
    • H03M13/09G06F11/10
    • H03M13/09
    • A method and apparatus for assuring the accuracy of data received by any device in a computer system from any other device in the same computer system or from another computer system. The existing hardware of a computer system is utilized to generate a cyclic redundant check character each time a unit of data is transmitted. The cyclic redundant check character is concatenated to the right of such data transmitted. Each time that the particular data is received, the check character and the data with which it is associated, is again manipulated in the same manner as in generating the check character. If the data received is the same as the data transmitted, the result of such manipulation is zero.
    • 一种用于确保计算机系统中的任何设备从同一计算机系统中的任何其他设备或另一计算机系统接收的数据的准确性的方法和装置。 每当发送数据单元时,利用计算机系统的现有硬件来生成循环冗余校验字符。 循环冗余校验字符连接在发送的数据的右侧。 每当接收到特定数据时,与生成检查字符相同的方式再次操作检查字符和与其相关联的数据。 如果接收的数据与发送的数据相同,则这种操作的结果为零。
    • 98. 发明授权
    • Electrical energy meter
    • 电能表
    • US4255707A
    • 1981-03-10
    • US64603
    • 1979-08-07
    • Robert C. Miller
    • Robert C. Miller
    • G01R21/133G01R21/00
    • G01R21/133
    • Method and meter apparatus for measuring parameters of electrical energy quantities occurring in an electrical power distribution system. The meter apparatus samples a second input signal, which is proportional to one of the voltage and current components of an electrical energy quantity, at predetermined instants, which are a function of unit changes in the magnitude of a first input signal, which is proportional to the time integral of one of the voltage and current components of the electrical energy quantity, to provide instantaneous values of said second input signal. Successive ones of the instantaneous magnitudes of the second input signal are converted to signal representations and accumulated to provide totalized values which are equivalent to the time integral of the product of the ones of the electrical energy components being represented by the first and second input signals over a predetermined period of time and which are proportional to a measured parameter occurring on the electrical distribution system.
    • 用于测量电力分配系统中发生的电能数量参数的方法和仪表装置。 仪表装置在预定时刻采样与电能量的电压和电流分量之一成比例的第二输入信号,其是第一输入信号的幅度的单位变化的函数,其与 电能量的电压和电流分量之一的时间积分,以提供所述第二输入信号的瞬时值。 第二输入信号的瞬时幅度中的相继的值被转换为信号表示并累加以提供总和值,其等价于由第一和第二输入信号表示的电能分量的乘积的乘积的时间积分 预定的时间段,并且与在配电系统上发生的测量参数成比例。
    • 99. 发明授权
    • Processing system for detection and the classification of flaws on
metallic surfaces
    • 金属表面缺陷检测和分类处理系统
    • US4253768A
    • 1981-03-03
    • US932235
    • 1978-08-09
    • Nicholas YaroshukMiklos SarkoziRobert C. MillerPaul G. Kennedy
    • Nicholas YaroshukMiklos SarkoziRobert C. MillerPaul G. Kennedy
    • G01N21/88G01N21/89G01N21/892G01N21/952G01N21/32
    • G01N21/89
    • This invention is a system of automatically classifying defects both for sorting defective products (metallic surfaces, especially tube surfaces) as to the reworking operation required for correcting the defect, and for classifying the defect as to the preceding manufacturing operation which is the most probable cause of that defect and sending a signal to that operation to provide for adjustments to minimize future defects. The system uses a source of electromagnetic radiation (typically a laser beam which is scanned across the surface) and at least two sensors (adjusted such that the radiation is reflected from a defect-free surface principally received by one of the sensors but that there is a measured amount of radiation in the other sensor). An average signal of the principal sensor is developed as a function of scan position. Threshold circuitry detects when the ratio of sensor signal to average signal varies by a predetermined amount. Special circuitry is used to detect the essentially simultaneous occurrence of at least two different preselected combinations of signal variations to identify the type of defect.
    • 本发明是一种自动分类缺陷产品(金属表面,特别是管表面)的缺陷,用于校正缺陷所需的返工操作,以及用于对作为最可能原因的先前制造操作的缺陷进行分类的系统 并向该操作发送信号以提供调整以最小化未来的缺陷。 该系统使用电磁辐射源(通常是穿过表面扫描的激光束)和至少两个传感器(调整为使得辐射从主要由传感器之一接收的无缺陷表面反射,但是存在 在另一个传感器中测量的辐射量)。 主传感器的平均信号作为扫描位置的函数展开。 阈值电路检测传感器信号与平均信号的比率何时变化预定量。 特殊电路用于检测信号变化的至少两种不同预选组合的基本同时出现以识别缺陷的类型。