-
公开(公告)号：US5044964A
公开(公告)日：1991-09-03
申请号：US559241
申请日：1990-07-30
CPC分类号： H01R29/00 , H01R23/667 , Y10S439/925
摘要： A programmable connector module is equipped with a molded plastic base on which an IC chip is mounted. The plastic base is wired with programmable inputs which can be used to provide a logic 1 or a logic 0 to each input of the IC chip. Tabs or punch holes located on the plastic base can be broken to disconnect an input circuit from ground to allow a logic 1 to be programmed. Two inputs are used to program the configuration of the module and four inputs are used to program the address of the module. The programmable module can be positioned anywhere along a multiplex wire bus and is equipped with connectors for transmitting and receiving data to and from electrical loads along the bus.
摘要翻译： 可编程连接器模块配有模制塑料基座，IC芯片安装在模制塑料基座上。 塑料基座与可编程输入接线，可用于为IC芯片的每个输入提供逻辑1或逻辑0。 位于塑料底座上的卡舌或打孔可以断开，以将输入电路与地线断开，从而允许对逻辑1进行编程。 两个输入用于对模块的配置进行编程，四个输入用于对模块的地址进行编程。 可编程模块可以位于多路复用线总线的任何地方，并配有连接器，用于沿着总线向电气负载发送和接收数据。
-
公开(公告)号：US4001500A
公开(公告)日：1977-01-04
申请号：US525694
申请日：1974-11-21
申请人： Lawrence P. Lavery , David R. Shuey
发明人： Lawrence P. Lavery , David R. Shuey
CPC分类号： H04N1/4076 , H04N1/403
摘要： A video amplifier for use in a document scanning system to provide signals representative of the information content of a scanned document. The amplifier includes an automatic background control portion and an automatic black level adjustment portion to maintain the integrity of the output voltage range independent of the background of the scanned document and throughout the period of time required to scan the entire document. In addition, circuitry is provided for varying the time constant of the automatic background control circuitry to make that circuitry respond quickly to changes of the background toward the "white" direction. Further, the normally white platen back is provided with a gray leading edge to prevent the automatic background control circuitry from being upset by initial runs of white in the event of an imperfectly registered non-white document.
-
公开(公告)号：US4326646A
公开(公告)日：1982-04-27
申请号：US38371
申请日：1979-05-11
CPC分类号： G03G15/0855 , G03G15/5041 , Y10S222/01
摘要： An automatic development control system having a sensor providing a signal representative of developed toner mass on a patch sample on the photoreceptor. The signal is conveyed to a comparator through signal processing circuits for comparing with a reference signal. The signal processing circuits include digital to analog circuitry also capable of providing analog to digital conversion. The reference signal represents an undeveloped photoreceptor signal normalized to accommodate changing photoreceptor, sensor and operating environment characteristics. A dispenser solenoid activates a toner dispenser through an interrupt mechanism in given increments of time depending upon the error signals generated by the comparator.
摘要翻译： 一种自动显影控制系统，其具有传感器，其提供表示感光体上的贴片样品上显影的调色剂质量的信号。 该信号通过用于与参考信号进行比较的信号处理电路传送到比较器。 信号处理电路包括也能够提供模数转换的数模转换电路。 参考信号表示归一化以适应变化的感光体，传感器和操作环境特性的未发展的感光体信号。 分配器螺线管以给定的时间增量通过中断机构来驱动调色剂分配器，这取决于比较器产生的误差信号。
-
4.发明授权
公开(公告)号：US3976833A
公开(公告)日：1976-08-24
申请号：US525693
申请日：1974-11-21
申请人： Lawrence P. Lavery
发明人： Lawrence P. Lavery
CPC分类号： H04N1/4076 , H04N1/403
摘要： An arrangement for use in a document scanning system to provide background control of signals representative of the information content of a scanned document. An amplifier includes an automatic background control portion and an automatic black level adjustment portion to maintain the integrity of the output voltage range independent of the background of the scanned document and throughout the period of time required to scan the entire document. In addition, circuitry is provided for varying the time constant of the automatic background control circuitry to make that circuitry respond quickly to changes of the background toward the "white" direction. Further, the normally white platen back at the scanning station is provided with a gray leading edge to prevent the automatic background control circuitry from being upset by initial runs of white in the event of an imperfectly registered non-white document.
摘要翻译： 一种在文件扫描系统中使用以提供表示扫描文档的信息内容的信号的背景控制的装置。 放大器包括自动背景控制部分和自动黑色电平调节部分，以在扫描整个文档所需的整个时间段内保持独立于扫描文档的背景的输出电压范围的完整性。 此外，提供电路以改变自动背景控制电路的时间常数，以使该电路快速响应于朝向“白”方向的背景变化。 此外，在扫描站处的正常白色压板设置有灰色前沿，以防止自动背景控制电路在非完全登记的非白色文档的情况下由初始白色运行而不舒服。
-
公开(公告)号：US5237521A
公开(公告)日：1993-08-17
申请号：US933969
申请日：1992-08-24
申请人： Guru B. Raj , Dennis Marus , Robert M. Lofthus , Lawrence P. Lavery , Vincent M. Williams , Charles F. Evans , Stuart A. Schweid
发明人： Guru B. Raj , Dennis Marus , Robert M. Lofthus , Lawrence P. Lavery , Vincent M. Williams , Charles F. Evans , Stuart A. Schweid
CPC分类号： G03G15/5033 , G01P3/489 , G03G2215/00042 , G03G2215/00075
摘要： A system for determining the cumulative position and periodic average velocity of a rotating body having an incremental encoder, operatively connected to the body, for generating a series of periodic signals indicative of rotation of the body. The system also includes a high frequency clock for generating clock pulses at a frequency greater than the maximum frequency of the encoder signal, and a timer for controlling the total time of a predetermined sample interval. Also included in the device is a counter for accumulating the number of integral encoder signal cycles that have been completed, an arithmetic logic unit for determining the size of a fractional portion of an encoder signal cycle that was completed between the last integral encoder cycle and the end of the sample interval. Subsequently, the number of integral encoder signal cycles is added to the fractional portion of an encoder cycle to determine the total number of encoder signal cycles completed, whereby the total is then multiplied by an encoder position conversion factor to determine the cumulative position of the rotating body or belt driven therefrom.
摘要翻译： 一种用于确定具有可操作地连接到身体的增量编码器的旋转体的累积位置和周期平均速度的系统，用于产生指示身体旋转的一系列周期信号。 该系统还包括用于以大于编码器信号的最大频率的频率产生时钟脉冲的高频时钟和用于控制预定采样间隔的总时间的定时器。 还包括在装置中的是用于累积已经完成的整数编码器信号周期数的计数器，用于确定在最后一个整数编码器周期与第一个编码器周期之间完成的编码器信号周期的小数部分的大小的算术逻辑单元 采样间隔结束。 随后，将整数编码器信号周期的数量加到编码器周期的小数部分，以确定完成的编码器信号周期的总数，由此将总数乘以编码器位置转换因子，以确定旋转的累积位置 身体或皮带。
-
-
-
-
搜索结果
5 条记录 (耗时 0.045 秒)
