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    • 3. 发明授权
    • Image forming apparatus having a density sensor movable in a main scanning direction
    • 图像形成装置具有可在主扫描方向上移动的密度传感器
    • US09451116B2
    • 2016-09-20
    • US14499733
    • 2014-09-29
    • Atsushi MoriShinji KatoMasaru Kumagai
    • Atsushi MoriShinji KatoMasaru Kumagai
    • G03G15/00H04N1/047H04N1/028
    • G03G15/5041G03G15/5058H04N1/02885H04N1/047
    • An image forming apparatus includes a photoconductor, an optical scanner, a development device, a movable density sensor, a density sensor driver, and a processor. The optical scanner includes a light source to emit light, and irradiates a surface of the photoconductor in a main scanning direction with the light to form a latent image on the surface of the photoconductor. The development device develops the latent image into a toner image. The density sensor detects unevenness in density of the toner image in the main scanning direction. The density sensor driver moves the density sensor in the main scanning direction. The processor corrects a driving signal for the light source according to image data to reduce the unevenness in density in the main scanning direction, according to positional data of the density sensor in the main scanning direction and an output value of the density sensor.
    • 图像形成装置包括光电导体,光学扫描器,显影装置,可移动密度传感器,密度传感器驱动器和处理器。 光学扫描器包括发光的光源,并且用光在主扫描方向上照射感光体的表面,以在感光体的表面上形成潜像。 显影装置将潜像显影成调色剂图像。 密度传感器检测调色剂图像在主扫描方向上的浓度不均匀。 密度传感器驱动器将密度传感器沿主扫描方向移动。 处理器根据图像数据校正光源的驱动信号,以根据密度传感器在主扫描方向上的位置数据和密度传感器的输出值来减小主扫描方向上的浓度不均匀性。
    • 4. 发明授权
    • Image forming apparatus and method adjusting image forming condition
    • 图像形成装置和调整图像形成条件的方法
    • US09423752B2
    • 2016-08-23
    • US14726847
    • 2015-06-01
    • Satoshi KanekoShinji KatoShuji Hirai
    • Satoshi KanekoShinji KatoShuji Hirai
    • G03G15/08G03G15/16G03G21/14G03G15/00
    • G03G15/556G03G15/5058G03G21/145G03G2215/0161
    • An image forming apparatus includes an image bearer; a toner image forming device; a transfer rotator; a transfer device; a rotation position detector; an image density detector; a density data acquisition unit to causes the toner image forming device to form an adjustment toner image equal to or greater in length than a circumferential length of the image bearer, cause a linear velocity difference between the image bearer and the transfer rotator in transfer of the adjustment toner image, and acquires, from a detected image density of the toner image transferred from the image bearer, detected by the image density detector, image density unevenness data with reference to detection of a reference rotation position of one of the image bearer and a rotator; and a correction unit to adjust an image forming condition according to the reference rotation position, the image density unevenness data, and the linear velocity difference.
    • 图像形成装置包括图像载体; 调色剂图像形成装置; 转移旋转器; 转移装置; 旋转位置检测器; 图像浓度检测器; 密度数据获取单元,用于使调色剂图像形成装置形成等于或大于图像载体的周长的调色剂图像,导致图像载体和转印旋转体之间的线速度差异, 调整调色剂图像,并且从图像载体检测到的图像承载检测到的调色剂图像的检测图像浓度中获取图像浓度不均匀性数据,参照图像载体和图像载体之一的基准旋转位置的检测 旋转器 以及校正单元,用于根据基准旋转位置,图像浓度不均匀性数据和线速度差来调整图像形成条件。
    • 5. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09400442B2
    • 2016-07-26
    • US14802322
    • 2015-07-17
    • Satoshi KanekoShinji KatoShuji Hirai
    • Satoshi KanekoShinji KatoShuji Hirai
    • G03G15/02
    • G03G15/0266G03G15/5037
    • An image forming apparatus includes a latent image carrier; a charger; a charging power supply; a latent image writer to write; a developing device; a rotary attitude sensor; a controller to perform a data formulating process to formulate a change pattern data and a bias changing process to cause the charging power supply to change the charging bias output based on readings from the rotary attitude sensor and the change pattern data, during a print job; and a surface potential sensor to detect a surface potential of the latent image carrier. In the data formulating process, the controller formulates the change pattern data based on the surface potential of the latent image carrier detected by the surface potential sensor, while the charging power supply outputting a constant charging bias, and based on readings from the rotary attitude sensor while the surface potential is being detected.
    • 图像形成装置包括潜像载体; 充电器 充电电源; 潜象写作者写作; 显影装置; 旋转姿态传感器; 控制器,用于执行数据制定过程以制定改变模式数据和偏差改变过程,以在打印作业期间使充电电源基于来自旋转姿态传感器和改变模式数据的读数来改变充电偏压输出; 以及用于检测潜像载体的表面电位的表面电位传感器。 在数据制作过程中,控制器基于由表面电位传感器检测到的潜像载体的表面电位,同时输出恒定充电偏压的充电电源,并且基于来自旋转姿态传感器的读数来制定改变模式数据 同时正在检测表面电位。
    • 7. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20140301748A1
    • 2014-10-09
    • US14227169
    • 2014-03-27
    • Shingo SUZUKISatoshi KanekoShuji HiraiKoichi KudoJun YamaneShinji Kato
    • Shingo SUZUKISatoshi KanekoShuji HiraiKoichi KudoJun YamaneShinji Kato
    • G03G15/00
    • G03G15/5025G03G15/065G03G15/5058
    • An image forming apparatus includes an image carrier; an image forming unit; a processor for controlling the image forming unit according to a predetermined image forming condition setting data; an image density sensor to detect an image density of the toner pattern formed on the image carrier; a reference rotary position detector; an image density fluctuation data acquisition unit to obtain an image density fluctuation data of more than one circumferential length of the photoreceptor drum with reference to the reference rotary position detected by the reference rotary position detector based on a result related to the toner pattern formed on the image carrier detected by the image density sensor; and a correction data generator to generate a correction data to correct a reference image forming condition setting data with a correction amount corresponding to each rotary position of the rotary member to thus reduce the image density fluctuation.
    • 图像形成装置包括图像载体; 图像形成单元; 根据预定图像形成条件设置数据控制图像形成单元的处理器; 图像浓度传感器,用于检测形成在图像载体上的调色剂图案的图像浓度; 参考旋转位置检测器; 图像浓度波动数据获取单元,基于与在基准旋转位置检测器上形成的调色剂图案相关的结果,参考由基准旋转位置检测器检测的参考旋转位置,获得感光鼓的多于一个圆周长度的图像浓度波动数据 由图像密度传感器检测的图像载体; 以及校正数据生成器,用于生成校正数据,以校正与旋转构件的每个旋转位置相对应的校正量的参考图像形成条件设置数据,从而减小图像浓度波动。