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    • 1. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09158223B2
    • 2015-10-13
    • US13271894
    • 2011-10-12
    • Yoshiyuki Komiya
    • Yoshiyuki Komiya
    • G06T5/00G03G15/043
    • G03G15/043
    • In an image forming apparatus, deterioration of images is suppressed when distortions of scanning lines of a plurality of light sources are corrected. Image data is corrected each in a sub-scanning direction corresponding to the plurality of light sources, in accordance with distortion characteristics of the scanning lines of the plurality of light sources, for each of divided regions, common to a plurality of light sources, divided in a main-scanning direction, and the plurality of light sources are driven based on the image data each corrected corresponding to the plurality of light sources.
    • 在图像形成装置中,通过校正多个光源的扫描线的失真来抑制图像的劣化。 对于与多个光源对应的副扫描方向,根据多个光源的扫描线的失真特性,分别对多个光源共用的分割区域进行分割,分割图像数据 在主扫描方向上,并且基于对应于多个光源校正的图像数据来驱动多个光源。
    • 2. 发明授权
    • Image forming apparatus and image forming apparatus control method
    • 图像形成装置和图像形成装置控制方法
    • US08532511B2
    • 2013-09-10
    • US13528938
    • 2012-06-21
    • Yoshiyuki Komiya
    • Yoshiyuki Komiya
    • G03G15/00G03G15/08
    • G03G15/5062G03G15/5041G03G2215/00042
    • In an image forming apparatus, an image forming contrast potential for obtaining the maximum density is set by reading a specific pattern transferred and formed on a sheet. A photosensor detects the density of a specific pattern formed on an image carrier at the image forming contrast potential, and the detection result is stored. A correction amount for the image forming contrast potential is calculated on the basis of the relationship between the stored detected density, and the density, detected by the optical sensor, of the specific pattern formed on the image carrier at a predetermined timing. The image forming contrast potential is adjusted by the correction amount.
    • 在图像形成装置中,通过读取在片材上转印并形成的特定图案来设定用于获得最大密度的图像形成对比度电位。 光电传感器检测在图像形成对比度电位下形成在图像载体上的特定图案的浓度,并且存储检测结果。 基于存储的检测密度和由光学传感器检测的密度之间的关系,计算图像形成对比度电位的校正量,该特定图案在预定时刻形成在图像载体上。 通过校正量调整图像形成对比度电位。
    • 3. 发明授权
    • Image forming apparatus and tone characteristics correction method
    • 图像形成装置和色调特性校正方法
    • US08531727B2
    • 2013-09-10
    • US12556375
    • 2009-09-09
    • Yoshiyuki Komiya
    • Yoshiyuki Komiya
    • H04N1/40
    • H04N1/6033
    • An image forming apparatus includes, for example, a pattern generating unit, image processing unit, image recording unit, and correction unit. The pattern generating unit generates a test pattern signal used to form a test pattern including a plurality of tone patches differing in tonality from each other. The image processing unit performs image processing on the test pattern signal according to a predetermined image processing mode out of a plurality of image processing modes related to tone characteristics. The image recording unit records the test pattern on a recording medium according to the test pattern signal processed by the image processing unit. The correction unit corrects the image processing mode based on a result of reading the test pattern recorded on the recording medium. In particular, the image recording unit records a background pattern around periphery of the test pattern.
    • 图像形成装置例如包括图案生成单元,图像处理单元,图像记录单元和校正单元。 图案生成单元生成用于形成包括彼此不同音调的多个色调的测试图案的测试图案信号。 图像处理单元根据与色调特性相关的多个图像处理模式中的预定图像处理模式对测试图案信号执行图像处理。 图像记录单元根据由图像处理单元处理的测试图案信号将测试图案记录在记录介质上。 校正单元基于读取记录在记录介质上的测试图案的结果来校正图像处理模式。 特别地,图像记录单元在测试图案的周围记录背景图案。
    • 4. 发明申请
    • IMAGE FORMING APPARATUS AND TONE CHARACTERISTICS CORRECTION METHOD
    • 图像形成装置和色调特征校正方法
    • US20100079814A1
    • 2010-04-01
    • US12556375
    • 2009-09-09
    • Yoshiyuki Komiya
    • Yoshiyuki Komiya
    • H04N1/60
    • H04N1/6033
    • An image forming apparatus includes, for example, a pattern generating unit, image processing unit, image recording unit, and correction unit. The pattern generating unit generates a test pattern signal used to form a test pattern including a plurality of tone patches differing in tonality from each other. The image processing unit performs image processing on the test pattern signal according to a predetermined image processing mode out of a plurality of image processing modes related to tone characteristics. The image recording unit records the test pattern on a recording medium according to the test pattern signal processed by the image processing unit. The correction unit corrects the image processing mode based on a result of reading the test pattern recorded on the recording medium. In particular, the image recording unit records a background pattern around periphery of the test pattern.
    • 图像形成装置例如包括图案生成单元,图像处理单元,图像记录单元和校正单元。 图案生成单元生成用于形成包括彼此不同音调的多个色调的测试图案的测试图案信号。 图像处理单元根据与色调特性相关的多个图像处理模式中的预定图像处理模式对测试图案信号执行图像处理。 图像记录单元根据由图像处理单元处理的测试图案信号将测试图案记录在记录介质上。 校正单元基于读取记录在记录介质上的测试图案的结果来校正图像处理模式。 特别地,图像记录单元在测试图案的周围记录背景图案。
    • 7. 发明授权
    • Image forming apparatus which can clean auxiliary member erasing image traces
    • 可以清洁辅助部件擦除图像痕迹的图像形成装置
    • US06459872B1
    • 2002-10-01
    • US09667523
    • 2000-09-22
    • Yoshiyuki KomiyaFumiteru GomiKoichi Hashimoto
    • Yoshiyuki KomiyaFumiteru GomiKoichi Hashimoto
    • G03G1530
    • G03G21/0064G03G2215/022G03G2221/0005
    • When image forming is repeated with cleanerless image forming apparatus, “positive ghost”, which means that a preceding image is slightly left, occurs because a residual toner is not recovered by a developer. Even if an image forming apparatus with an electrically conductive brush or auxiliary device repeats image forming or continuously forms an image with a high image ratio, resistance of the brush increases because the residual toner is deposited on the electrically conductive brush. As a result, advantages of the electrically conductive brush which erases traces of the preceding image are lost. Therefore, in accordance with this invention there are provided an image forming apparatus which does not let image traces leave, and an image forming apparatus which prevents (or reduces) the resistance of auxiliary devices and cleans auxiliary devices.
    • 当用无清洁器图像形成装置重复图像形成时,由于残留调色剂未被显影剂回收,所以发生“正重影”,这意味着前一图像稍微留下。 即使具有导电刷或辅助装置的图像形成装置重复图像形成或连续地形成具有高图像比例的图像,因为残留调色剂沉积在导电刷上,因此刷的电阻增加。 因此,擦除前一图像的迹线的导电刷的优点被丢失。 因此,根据本发明,提供了不让图像痕迹离开的图像形成装置,以及防止(或减少)辅助装置的电阻并清洁辅助装置的图像形成装置。
    • 10. 发明申请
    • IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS CONTROL METHOD
    • 图像形成装置和图像形成装置控制方法
    • US20120263484A1
    • 2012-10-18
    • US13528938
    • 2012-06-21
    • Yoshiyuki Komiya
    • Yoshiyuki Komiya
    • G03G13/06G03G15/06
    • G03G15/5062G03G15/5041G03G2215/00042
    • In an image forming apparatus, an image forming contrast potential for obtaining the maximum density is set by reading a specific pattern transferred and formed on a sheet. A photosensor detects the density of a specific pattern formed on an image carrier at the image forming contrast potential, and the detection result is stored. A correction amount for the image forming contrast potential is calculated on the basis of the relationship between the stored detected density, and the density, detected by the optical sensor, of the specific pattern formed on the image carrier at a predetermined timing. The image forming contrast potential is adjusted by the correction amount.
    • 在图像形成装置中,通过读取在片材上转印并形成的特定图案来设定用于获得最大密度的图像形成对比度电位。 光电传感器检测在图像形成对比度电位下形成在图像载体上的特定图案的浓度,并且存储检测结果。 基于存储的检测密度和由光学传感器检测的密度之间的关系,计算图像形成对比度电位的校正量,该特定图案在预定时刻形成在图像载体上。 通过校正量调整图像形成对比度电位。