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    • 1. 发明授权
    • Single-chip, MOS-LSI microprocessor controlled electrophotographic
copying machine
    • 单芯片,MOS-LSI微处理器控制电子照相复印机
    • US4375917A
    • 1983-03-08
    • US40535
    • 1979-05-21
    • Shizuka HiraikeYukihiro YoshidaShintaro HashimotoMitsuo TadaToshio Yamagishi
    • Shizuka HiraikeYukihiro YoshidaShintaro HashimotoMitsuo TadaToshio Yamagishi
    • G03G15/20G03G21/00G03G21/14G03G15/00
    • G03G21/14
    • Within an electrophotographic copying machine having a predetermined number of sensing elements each deriving an output indicative of respective one of operating states of the machine, there is provided a single chip, MOS-LSI microprocessor responsive to the outputs of the sensing elements to control the machine in a sequential or serial mode. The microprocessor contains storage means storing a string of instructions, processing means to fetch sequentially the instructions from the storage means and to deal with the fetched instructions, first input means to receive synchronizing signals generated within the body of the machine, first output means to determine with aid of the processing means whether any synchronizing signal is inputted via the first input means and to produce confirmation signals after confirming the sensed operating states of the machine, second input means to introduce through the sensing elements the confirmation signals supplied via the first output means, and a second output means to process with aid of the processing means the signals received by the first input means and the second input means and to consequently produce control signals effective to control operation of the machine.
    • 在具有预定数量的感测元件的电子照相复印机中,每个导出表示机器的相应操作状态的输出,提供了单个芯片的MOS-LSI微处理器,其响应感测元件的输出来控制机器 在顺序或串行模式下。 微处理器包括存储一串指令的存储装置,用于从存储装置顺序取出指令并处理所取指令的处理装置,用于接收在机体内生成的同步信号的第一输入装置,第一输出装置,用于确定 借助于处理装置,通过第一输入装置是否输入了任何同步信号,并且在确认所感测到的机器的操作状态之后产生确认信号,第二输入装置通过感测元件引入经由第一输出装置提供的确认信号 以及第二输出装置,借助于处理装置处理由第一输入装置和第二输入装置接收的信号,并因此产生有效控制机器的操作的控制信号。
    • 5. 发明授权
    • Image processing device
    • 图像处理装置
    • US5515180A
    • 1996-05-07
    • US152975
    • 1993-11-16
    • Hiroshi MaedaToshio YamagishiNorihide KunikawaToshihiro OkahashiTatsuya ItohMasatsugu Nakamura
    • Hiroshi MaedaToshio YamagishiNorihide KunikawaToshihiro OkahashiTatsuya ItohMasatsugu Nakamura
    • H04N1/40H04N1/409
    • H04N1/4092H04N1/40087
    • The present invention is made to reduce the effect of variation of pulses for driving a printer when recording image data and to improve the gray level representation of picture images to be printed. Data incoming through an image reading device are quantized and processed two pixels at a time by a gray level image processing circuit. The two-pixels' data are first discriminated by an edge discriminator to determine whether they represent an edge portion within the image or not. An object image, on which an operation for inter-pixel spacing shall be conducted, is selected according to the discrimination result. The arithmetic and logic portion performs the above-mentioned operation by two pixels at a time if the data correspond to a non-edge portion and performs correction for enhancement if the data correspond to an edge. This may eliminate the effect of dot displacement due to variation of drive pulses of a printer and improve the quality, in particular, of a gray level image portion.
    • 本发明是为了在记录图像数据时减少用于驱动打印机的脉冲变化的影响,并且改善要打印的图像的灰度级表示。 通过图像读取装置输入的数据由灰度级图像处理电路一次量化并处理两个像素。 首先由边缘鉴别器鉴别双像素数据,以确定它们是否代表图像内的边缘部分。 根据鉴别结果选择要进行像素间间隔操作的对象图像。 如果数据对应于非边缘部分,则算术和逻辑部分一次执行上述操作两个像素,并且如果数据对应于边缘,则执行用于增强的校正。 这可以消除由于打印机的驱动脉冲的变化引起的点位移的影响,并且提高了质量,特别是灰度级图像部分的质量。
    • 10. 发明授权
    • Electric element breakdown detector
    • 电元件击穿探测器
    • US4654645A
    • 1987-03-31
    • US778003
    • 1985-09-20
    • Toshio Yamagishi
    • Toshio Yamagishi
    • G01R19/165G01R31/02G03G15/04G08B21/00
    • G01R19/16571G01R31/024G03G15/04
    • An electric element breakdown detector includes an electric element (5: 5a: 106: 132: 172) connected in series with a switching element (6: 6a: 116: 116a: 171) which define a series connection. A processing circuit (40: 110: 174) produces a control signal to the switching element to control on and off operation of the switching element, so as to control the current flow through the series connection. A comparator (10: 119) is provided for comparing a voltage at one end of the electric element with a reference voltage produced from a reference voltage producer (12: 121, 123), and generates a result signal representing the result of the comparison. The result signal is fed to the processing circuit. The processing circuit detects the condition of the series connection by the detection of combination of the control signal and the result signal.
    • 电元件击穿检测器包括与限定串联连接的开关元件(6:6a:116:116a:171)串联连接的电气元件(5:5a:106:132:172)。 处理电路(40:110:174)向开关元件产生控制信号以控制开关元件的接通和关断操作,以便控制通过串联连接的电流。 提供比较器(10:119),用于将电气元件一端的电压与从参考电压产生器(12:121,123)产生的参考电压进行比较,并产生表示比较结果的结果信号。 结果信号被馈送到处理电路。 处理电路通过检测控制信号和结果信号的组合来检测串联连接的状况。