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    • 24. 发明授权
    • Color image forming device and color deviation detection device for the same
    • 彩色图像形成装置和颜色偏差检测装置相同
    • US07130551B2
    • 2006-10-31
    • US10880510
    • 2004-07-01
    • Kazuhiko Kobayashi
    • Kazuhiko Kobayashi
    • G03G15/00G03G15/01
    • G03G15/01G03G2215/0161
    • A color deviation detection device for a color image forming device which prevents the occurrence of color deviation that is attributable to the fact that the precision of color deviation detection is low, the replacement of photosensitive bodies or developing devices is itself a cause of fluctuation in the color deviation, and the precision of the part before and after replacement is slightly different. In the color deviation detection device, the spacing between marks of the reference color and other colors, the spacing between marks of the same color and the spacing between mark sets are set as the spacing between marks within the mark sets and the spacing between mark sets, so that when the amount of color deviation is calculated for a synthesized wave comprising two or more driving irregularity frequencies that are generated by the image carrying body driving system and the transfer driving system, the calculation error caused by this synthesized wave is within a range that allows correction of the deviation of the image of a plurality of colors.
    • 一种用于彩色图像形成装置的颜色偏差检测装置,其防止由于颜色偏差检测的精度低而导致的颜色偏差的发生,感光体或显影装置的更换本身是引起波动的原因 颜色偏差,零件更换前后的精度略有差异。 在颜色偏差检测装置中,将参考颜色的标记与其他颜色之间的间隔,相同颜色的标记之间的间隔与标记集之间的间距设置为标记集合内的标记与标记集之间的间隔 ,使得当对于由图像承载体驱动系统和传送驱动系统产生的包括两个或更多个驱动不规则频率的合成波计算颜色偏差量时,由该合成波引起的计算误差在一个范围内 这允许校正多种颜色的图像的偏差。
    • 29. 发明授权
    • Electron-beam writing device and electron-beam writing method
    • 电子束写入装置和电子束写入方法
    • US06989536B2
    • 2006-01-24
    • US10897344
    • 2004-07-21
    • Osamu MasudaKazumi FurutaKunito HayashiKazuhiko Kobayashi
    • Osamu MasudaKazumi FurutaKunito HayashiKazuhiko Kobayashi
    • H01J37/28H01J37/256
    • H01J37/3026B82Y10/00B82Y40/00H01J37/3045H01J37/3174H01J2237/31761
    • The present invention aims at providing a device and method for writing a line with a high degree of precision at high speed. Distance calculation means 311 calculates the start-to-end point distance L of a writing pattern (S502), and number-of-scan-clocks calculating means 312 calculates the number of scan clocks required to write the writing pattern based on the start-to-end point distance L and a unit distance corresponding to the minimum time resolution for a high-speed D/A converter 306 (S503). Count conversion means 605 separates the start-to-end point distance L into X and Y components to convert them in an equation using the number of scan clocks (S504). Based on the equation, variable rate calculating means 314 calculates an extinction ratio to determine the extinction ratio at a variable attenuator 307 (S505). ATT D/A converter 303 specifies the extinction ratio at the attenuator 307 to reduce the unit distance corresponding to the resolving power of the high-speed D/A converter 306 so that an electron beam will be irradiated and scanned at intervals of the reduced unit distance to perform writing.
    • 本发明旨在提供一种以高速度高精度地写入线的装置和方法。 距离计算装置311计算写入模式的起始点到终点距离L(S 502),并且扫描时间计算装置312基于开始计算写入写入模式所需的扫描时钟数 到端点距离L和对应于高速D / A转换器306的最小时间分辨率的单位距离(S 503)。 计数转换装置605将起始点到终点距离L分离为X和Y分量,以使用扫描时钟数在等式中转换它们(S 504)。 基于该方程,可变速率计算装置314计算消光比以确定可变衰减器307处的消光比(S 505)。 ATT D / A转换器303指定衰减器307处的消光比,以减小对应于高速D / A转换器306的分辨率的单位距离,使得将电子束以缩小单位的间隔照射和扫描 执行写作的距离