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    • 51. 发明授权
    • Original scanning apparatus
    • 原始扫描仪
    • US5119136A
    • 1992-06-02
    • US448711
    • 1989-12-11
    • Takeshi Morikawa
    • Takeshi Morikawa
    • G03B27/52G03G15/04
    • G03G15/04G03B27/526
    • A pulse corresponding to the rotation of a motor which moves a scanning system of an original scanning apparatus in a reciprocating motion is counted by a counter each time when the scanning system is operated in the forward and backward movement. By a software control which is performed basing on the counted value, a time period to start braking the scanning system at a practical position in the returning movement is obtained to stop the scanning system at its home position. In order to obtain a desired speed, a duty ratio of a pulse for applying electricity to a motor is controlled from a pulse which corresponds to the rotation of the motor being operated and a pulse width corresponding to the rotation of the motor when it is driven at a desired speed.
    • 每当扫描系统在向前和向后运动中操作时,对应于以往复运动移动原始扫描装置的扫描系统的马达的旋转的脉冲由计数器计数。 通过基于计数值执行的软件控制,获得在返回运动中在实际位置开始制动扫描系统的时间段,以将扫描系统停止在其初始位置。 为了获得期望的速度,用于向电动机施加电力的脉冲的占空比由对应于正在操作的电动机的旋转的脉冲和驱动时与电动机的旋转相对应的脉冲宽度来控制 以期望的速度。
    • 52. 发明授权
    • Electrophotographic machine with control means responsive to set
magnification ratio and focal length
    • 具有控制装置的电子照相机,其响应于设定的放大率和焦距
    • US5113218A
    • 1992-05-12
    • US624330
    • 1990-12-04
    • Takeshi MorikawaShinya Matsuda
    • Takeshi MorikawaShinya Matsuda
    • G03G15/041
    • G03G15/041
    • Disclosed is a copying machine employing a uni-focus projection lens in which the lens and a mirror for changing the conjugates length are driven to move independently according to a set magnification ratio and the focal length of the lens. Either the lens or the mirror is moved by a stepping motor according to a set first magnification ratio and the focal length of the lens. Calculated from the travel of either the lens of the mirror is a second magnification ratio, and the other one of the mirror and the lens is moved according to the second magnification ratio. In another way, first the lens is moved according to the set magnification ratio and the focal length of the lens. Calculated from the travel of the lens is the theoretical conjugate length at the set magnification ratio, and the mirror is moved according to the theoretical conjugate length. In another way, first the mirror is moved according to the set magnification ratio and the focal length of the lens. Calculated from the travel of the mirror is the theoretical lens forward length at the set magnification ratio, and the lens is moved according to the theoretical lens forward length.
    • 公开了一种采用单焦投影透镜的复印机,其中透镜和用于改变共轭长度的反射镜被驱动以根据设定的倍率和透镜的焦距独立地移动。 根据设定的第一放大率和透镜的焦距,通过步进电机来移动镜头或镜子。 根据镜子的透镜的行程计算的是第二放大率,并且根据第二放大率使镜和透镜中的另一个移动。 另一方面,首先根据设定的放大率和透镜的焦距移动透镜。 根据透镜的行程计算是设定放大率下的理论共轭长度,根据理论共轭长度移动镜子。 另一方面,首先根据设定的放大率和透镜的焦距移动镜子。 根据镜子的行程计算的是理想镜头前置长度,以设定的放大率,透镜根据理论透镜前进长度移动。
    • 56. 发明授权
    • Data processing apparatus, data processing method and image forming apparatus
    • 数据处理装置,数据处理方法和图像形成装置
    • US08237936B2
    • 2012-08-07
    • US10622462
    • 2003-07-21
    • Masaya HashimotoTakeshi MorikawaDaisuke SakiyamaNobuo Kamei
    • Masaya HashimotoTakeshi MorikawaDaisuke SakiyamaNobuo Kamei
    • G06F3/012G06K15/00
    • G06T9/00
    • A data processing apparatus includes an input portion, an output portion, a plurality of compressing/expanding devices which compress data-to-be-outputted inputted from the input portion and expand compressed data-to-be-outputted, a file memory which stores the data-to-be-outputted compressed by some or all of the plurality of compressing/expanding devices, a data discrimination portion which discriminates whether the data-to-be-outputted inputted from the input portion is data including a small amount of information or a large amount of information, and a transfer controller. In cases where it is discriminated by the data discrimination portion that the data-to-be-outputted is data including a small amount of information, the transfer controller transfers the data-to-be-outputted to the output portion through the plurality of compressing/expanding devices operating in parallel. In cases where it is discriminated by the data discrimination portion that the data-to-be-outputted is data including a large amount of information, the transfer controller transfers the data-to-be-outputted to some or all of the plurality of compressing/expanding devices while transferring the data-to-be-outputted to the output portion.
    • 数据处理装置包括输入部分,输出部分,压缩/扩展装置,其压缩从输入部分输入的要输出的数据并扩展压缩的待输出数据;文件存储器,其存储 由多个压缩/扩展装置中的一些或全部压缩的数据被输出的数据鉴别部分,鉴别从输入部分输入的要输出的数据是否是包括少量信息的数据 或大量信息,以及传输控制器。 在由数据识别部分识别数据被输出是包括少量信息的数据的情况下,传送控制器通过多个压缩将要输出的数据传送到输出部分 /扩展并行运行的设备。 在由数据识别部鉴别出要输出的数据是包含大量信息的数据的情况下,传送控制器将要输出的数据传送到多个压缩中的一部分或全部 在将要输出的数据传送到输出部分的同时扩展设备。