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    • 36. 发明授权
    • Pulse stuffing synchronization control system
    • 脉冲填充同步控制系统
    • US5504752A
    • 1996-04-02
    • US319147
    • 1994-10-06
    • Takeshi OkazakiSeiichi TakagiToshihiro Yamakawa
    • Takeshi OkazakiSeiichi TakagiToshihiro Yamakawa
    • H04J3/07H04L7/00H04N7/56H04L7/04
    • H04J3/07H04N7/56
    • A pulse stuffing synchronization control system includes a memory circuit for storing a plurality of items of lower digital hierarchy data input thereto in parallel, a clock generator for generating a writing clock signal and a control clock signal, a data writing controller for writing the plurality of items of the lower digital hierarchy data in synchronism with the writing clock signal, a read clock output circuit for generating a reading clock signal, a pulse stuffing controller for generating stuffing information based on the difference between the phases of a transmission clock signal and the control clock signal generated by the clock generator and for controlling the number of pulses of the writing clock signal based on the stuffing information, and a data read controller for reading out the plurality of items of the lower digital hierarchy data from the memory means in synchronism with the reading clock signal processed by the pulse stuffing controller, so that higher digital hierarchy data is output from said memory means in synchronism with the reading clock signal processed by the pulse stuffing controller.
    • 脉冲填充同步控制系统包括一个存储电路,用于并行地存储输入到其中的多个较低数字层级数据,用于产生写入时钟信号和控制时钟信号的时钟发生器,用于写入多个 与写入时钟信号同步的较低数字层级数据的项目,用于产生读取时钟信号的读取时钟输出电路,用于基于传输时钟信号的相位与控制之间的差产生填充信息的脉冲填充控制器 由时钟发生器产生的时钟信号和用于基于填充信息控制写入时钟信号的脉冲数;以及数据读取控制器,用于与存储装置同步地从存储装置中读出多个较低数字层级数据项 读取时钟信号由脉冲填充控制器处理,使数字更高 与由脉冲填充控制器处理的读取时钟信号同步地从所述存储器装置输出层级数据。
    • 37. 发明授权
    • Electrophotographic magnetic dry developer containing cerium oxide and
hydrophobic silica
    • 含有氧化铈和疏水性二氧化硅的电子照相磁性干性显影剂
    • US4824752A
    • 1989-04-25
    • US108521
    • 1988-09-12
    • Satoshi YasudaMitsuru UchidaSeiichi TakagiYusuke Karami
    • Satoshi YasudaMitsuru UchidaSeiichi TakagiYusuke Karami
    • G03G9/08G03G9/097G03G9/14
    • G03G9/09783G03G9/09708Y10S430/104
    • A magnetic dry developer, comprising negatively chargeable insulating magnetic toner particles containing, at least, a binder resin, a magnetic substance, and an organo-chromium or -zinc complex; cerium oxide particles containing CeO.sub.2 as a predominant component and having a volume average particle size of 1.0 to 4.0 microns, a heating loss of 0.5 wt. % or less on heating up to 100.degree. C. and a BET specific surface area of 15 m.sup.2 /g or less as measured by the nitrogen adsorption method; and hydrophobicity-imparted negatively chargeable silicon oxide particulates. The cerium oxide particles have a function of disintegrating particularly the hydrophobicity-imparted silicon oxide particulates and enhance the attachment thereof to the toner particles, whereby the developing characteristics including the magnetic triboelectric chargeability are stabilized from the initial stage of electrophotographic copying operation.
    • 一种磁性干燥显影剂,包括至少含有粘合剂树脂,磁性物质和有机铬或锌络合物的可带负电荷的绝缘磁性调色剂颗粒; 含有CeO 2作为主要成分并且体积平均粒径为1.0〜4.0微米的氧化铈粒子,0.5重量%的加热损失。 加热至100℃时的%以下,通过氮吸附法测定的BET比表面积为15m 2 / g以下。 和疏水性赋予的带负电荷的氧化硅微粒。 氧化铈颗粒具有特别是疏水性赋予氧化硅微粒的功能,并且增强了其与调色剂颗粒的连接性,从而从静电复制操作的初始阶段使包括磁摩擦带电性的显影特性稳定。