公开(公告)号：US08103181B2

公开(公告)日：2012-01-24

申请号：US12833787

申请日：2010-07-09

申请人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

发明人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

IPC分类号： G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image forming apparatus includes an image carrier configured to carry an image and a charger to which a direct current voltage overlapped with an AC voltage is applied as a charging bias to charge the image carrier. The charger is positioned in contact or contactlessly with the image carrier. The AC voltage applied to the charger in an adjustment of the AC voltage is not less than twice a charging start voltage Vth at which the image carrier starts to be charged.

摘要翻译： 图像形成装置包括被配置为承载图像的图像载体和与AC电压重叠的直流电压的充电器作为充电偏压以对图像载体充电。 充电器与图像载体接触或非接触地定位。 在AC电压调节中施加到充电器的AC电压不小于图像载体开始充电的充电开始电压Vth的两倍。

公开(公告)号：US20080031646A1

公开(公告)日：2008-02-07

申请号：US11834354

申请日：2007-08-06

申请人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

发明人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

IPC分类号： G03G15/06

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image forming apparatus includes an image carrier configured to carry an image and a charger to which a direct current voltage overlapped with an AC voltage is applied as a charging bias to charge the image carrier. The charger is positioned in contact or contactlessly with the image carrier. The AC voltage applied to the charger in an adjustment of the AC voltage is not less than twice a charging start voltage Vth at which the image carrier starts to be charged.

摘要翻译： 图像形成装置包括被配置为承载图像的图像载体和与AC电压重叠的直流电压的充电器作为充电偏压以对图像载体充电。 充电器与图像载体接触或非接触地定位。 在AC电压调节中施加到充电器的AC电压不小于图像载体开始充电的充电开始电压Vth的两倍。

公开(公告)号：US08175471B2

公开(公告)日：2012-05-08

申请号：US11952553

申请日：2007-12-07

申请人： Kentaroh Tomita ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Shin Hasegawa ,  Shinji Kato ,  Kohta Fujimori ,  Kayoko Tanaka ,  Yushi Hirayama

发明人： Kentaroh Tomita ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Shin Hasegawa ,  Shinji Kato ,  Kohta Fujimori ,  Kayoko Tanaka ,  Yushi Hirayama

IPC分类号： G03G15/08

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059 ,  G03G2215/0132

摘要： An image forming apparatus is disclosed that includes an image density control unit that performs control operations based on an image density control condition that is adjustably set to control an output image to have a predetermined image density, an image density control condition modifying unit that calculates a modified image density control condition based on information on an amount of toner exchanged at a developing apparatus within a predetermined period and a parameter for image density control condition calculation and sets the modified image density control condition as the image density control condition to be used by the image density control unit, and a parameter modifying unit that modifies the parameter for image density control condition calculation used by the image density control condition modifying unit based on a toner pattern detection result obtained by detecting a toner pattern formed on a belt member.

摘要翻译： 公开了一种图像形成装置，其包括：图像浓度控制单元，其基于可调节地设置为控制输出图像以具有预定图像浓度的图像浓度控制条件执行控制操作;图像浓度控制条件修改单元， 基于在预定时段内在显影装置处交换的调色剂量的信息和图像浓度控制条件计算的参数的修改的图像浓度控制条件，并将修改的图像浓度控制条件设置为由图像浓度控制条件使用的图像浓度控制条件 图像浓度控制单元和参数修改单元，其基于通过检测形成在带构件上的调色剂图案而获得的调色剂图案检测结果来修改由图像浓度控制条件修改单元使用的图像浓度控制条件计算的参数。

公开(公告)号：US07778560B2

公开(公告)日：2010-08-17

申请号：US11834354

申请日：2007-08-06

申请人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

发明人： Hitoshi Ishibashi ,  Kohta Fujimori ,  Shin Hasegawa ,  Yushi Hirayama ,  Nobutaka Takeuchi ,  Shinji Kato ,  Kayoko Tanaka ,  Naoto Watanabe ,  Kentaroh Tomita ,  Satoru Komatsubara ,  Akio Kosuge

IPC分类号： G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image forming apparatus includes an image carrier configured to carry an image and a charger to which a direct current voltage overlapped with an AC voltage is applied as a charging bias to charge the image carrier. The charger is positioned in contact or contactlessly with the image carrier. A controller performs an adjustment to the AC voltage multiple times to gradually bring the AC voltage to a target value.

摘要翻译： 图像形成装置包括被配置为承载图像的图像载体和与AC电压重叠的直流电压的充电器作为充电偏压以对图像载体充电。 充电器与图像载体接触或非接触地定位。 控制器多次对AC电压进行调整，以逐渐使AC电压达到目标值。

公开(公告)号：US20080145078A1

公开(公告)日：2008-06-19

申请号：US11952553

申请日：2007-12-07

申请人： Kentaroh TOMITA ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Shin Hasegawa ,  Shinji Kato ,  Kohta Fujimori ,  Kayoko Tanaka ,  Yushi Hirayama

发明人： Kentaroh TOMITA ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Shin Hasegawa ,  Shinji Kato ,  Kohta Fujimori ,  Kayoko Tanaka ,  Yushi Hirayama

IPC分类号： G03G15/10

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059 ,  G03G2215/0132

摘要： An image forming apparatus is disclosed that includes an image density control unit that performs control operations based on an image density control condition that is adjustably set to control an output image to have a predetermined image density, an image density control condition modifying unit that calculates a modified image density control condition based on information on an amount of toner exchanged at a developing apparatus within a predetermined period and a parameter for image density control condition calculation and sets the modified image density control condition as the image density control condition to be used by the image density control unit, and a parameter modifying unit that modifies the parameter for image density control condition calculation used by the image density control condition modifying unit based on a toner pattern detection result obtained by detecting a toner pattern formed on a belt member.

摘要翻译： 公开了一种图像形成装置，其包括：图像浓度控制单元，其基于可调节地设置为控制输出图像以具有预定图像浓度的图像浓度控制条件执行控制操作;图像浓度控制条件修改单元， 基于在预定时段内在显影装置处交换的调色剂量的信息和图像浓度控制条件计算的参数的修改的图像浓度控制条件，并将修改的图像浓度控制条件设置为由图像浓度控制条件使用的图像浓度控制条件 图像浓度控制单元，以及参数修改单元，其基于通过检测形成在带构件上的调色剂图案而获得的调色剂图案检测结果来修改由图像浓度控制条件修改单元使用的图像浓度控制条件计算的参数。

公开(公告)号：US07885556B2

公开(公告)日：2011-02-08

申请号：US11532383

申请日：2006-09-15

申请人： Kohta Fujimori ,  Shin Hasegawa ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Yushi Hirayama ,  Naoto Watanabe ,  Kayoko Tanaka ,  Kazumi Kobayashi ,  Takashi Enami ,  Osamu Ariizumi ,  Fukutoshi Uchida ,  Shinji Kobayashi ,  Shinji Kato ,  Ryohta Morimoto

发明人： Kohta Fujimori ,  Shin Hasegawa ,  Nobutaka Takeuchi ,  Hitoshi Ishibashi ,  Yushi Hirayama ,  Naoto Watanabe ,  Kayoko Tanaka ,  Kazumi Kobayashi ,  Takashi Enami ,  Osamu Ariizumi ,  Fukutoshi Uchida ,  Shinji Kobayashi ,  Shinji Kato ,  Ryohta Morimoto

IPC分类号： G03G15/08

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059

摘要： In an image forming apparatus a developing device develops an electrostatic latent image on an image carrier with a developer that contains toner to obtain a toner image, a toner-amount detecting unit detects amount of toner attached to the toner image, and a toner-density detecting unit detects a density of toner in the developer. Moreover, a process control unit corrects a toner-density target value indicative of a target value of density of toner in the developer based on the amount of toner detected by the toner-amount detecting unit and the density of toner detected by the toner-density detecting unit, and a determines execution timing of next process based on corrected toner-density target value.

摘要翻译： 在图像形成装置中，显影装置利用含有调色剂的显影剂在图像载体上显影静电潜像以获得调色剂图像，调色剂量检测单元检测附着到调色剂图像的调色剂的量和调色剂浓度 检测单元检测显影剂中调色剂的浓度。 此外，过程控制单元基于由调色剂量检测单元检测到的调色剂的量和由调色剂浓度检测到的调色剂的浓度来校正指示显影剂中调色剂浓度的目标值的调色剂浓度目标值 检测单元，以及基于校正的调色剂浓度目标值确定下一个处理的执行定时。

公开(公告)号：US07616909B2

公开(公告)日：2009-11-10

申请号：US11733918

申请日：2007-04-11

申请人： Shinji Kato ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Osamu Ariizumi ,  Naoto Watanabe ,  Kayoko Tanaka ,  Yushi Hirayama ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto

发明人： Shinji Kato ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Osamu Ariizumi ,  Naoto Watanabe ,  Kayoko Tanaka ,  Yushi Hirayama ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto

IPC分类号： G03G15/00 ,  G03G15/01 ,  G03G15/20 ,  G03G15/08

CPC分类号： G03G15/161 ,  G03G15/0131 ,  G03G15/1605 ,  G03G15/1685 ,  G03G2215/00734 ,  G03G2215/0161

摘要： In an image forming apparatus, a toner image formed on a photosensitive drum is primarily transferred onto an intermediate transfer belt. The toner image on the intermediate transfer belt is secondarily transferred onto a transfer material by a secondary transfer roller in contact with the intermediate transfer belt. A relation A>B>C is satisfied, where A is a width of the intermediate transfer member, B is a width of the secondary transfer member, and C is a width of the transfer material. The intermediate transfer member includes a patch-pattern forming area that is not contacted by the secondary transfer member. The image forming apparatus includes a reflection-type photosensor that detects a patch pattern formed in the patch-pattern forming area.

摘要翻译： 在图像形成装置中，形成在感光鼓上的调色剂图像主要转印到中间转印带上。 中间转印带上的调色剂图像通过与中间转印带接触的二次转印辊二次转印到转印材料上。 满足关系A> B> C，其中A是中间转印部件的宽度，B是二次转印部件的宽度，C是转印材料的宽度。 中间转印部件包括不与二次转印部件接触的贴片图案形成区域。 图像形成装置包括检测形成在贴片图形形成区域中的贴片图案的反射型光电传感器。

公开(公告)号：US20070230979A1

公开(公告)日：2007-10-04

申请号：US11689599

申请日：2007-03-22

申请人： Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Naoto Watanabe ,  Osamu Ariizumi ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Shinji Kobayashi ,  Takashi Enami ,  Kazumi Kobayashi ,  Fukutoshi Uchida ,  Ryohta Morimoto

发明人： Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Naoto Watanabe ,  Osamu Ariizumi ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Shinji Kobayashi ,  Takashi Enami ,  Kazumi Kobayashi ,  Fukutoshi Uchida ,  Ryohta Morimoto

IPC分类号： G03G15/00

CPC分类号： G03G15/0194 ,  G03G2215/0161

摘要： An image forming apparatus includes at least one image bearing member, an intermediate transfer member, a secondary transfer member, and at least one optical sensor. In the image forming apparatus, it is determined that output values of the respective amounts of toner detected by the at least one optical sensor are affected by an impact caused due to a separation of the secondary transfer member from the intermediate transfer member and the output values are ignored as image adjustment input information, when the secondary transfer member separates from the intermediate transfer member during any of writing, developing, and transferring the plurality of image adjustment patterns, if the output values fall outside a given range and an interval between the output values of adjacent image bearing members is substantially equal to a distance between the two adjacent image bearing members for the primary transfer.

摘要翻译： 图像形成装置包括至少一个图像承载部件，中间转印部件，二次转印部件和至少一个光学传感器。 在图像形成装置中，确定由至少一个光学传感器检测到的各个调色剂量的输出值受到由于二次转印部件与中间转印部件的分离而引起的冲击的影响，并且输出值 作为图像调整输入信息被忽略，当在任何写入，展开和传送多个图像调整图案期间二次转印构件与中间转印构件分离时，如果输出值落在给定范围之外，并且输出 相邻图像承载构件的值基本上等于用于一次转印的两个相邻图像承载构件之间的距离。

公开(公告)号：US20070104499A1

公开(公告)日：2007-05-10

申请号：US11508823

申请日：2006-08-24

申请人： Osamu Ariizumi ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto ,  Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Naoto Watanabe ,  Kayoko Tanaka ,  Yushi Hirayama

发明人： Osamu Ariizumi ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto ,  Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Naoto Watanabe ,  Kayoko Tanaka ,  Yushi Hirayama

IPC分类号： G03G15/08

CPC分类号： G03G15/5062 ,  G03G15/0849 ,  G03G15/0856 ,  G03G15/556 ,  G03G2215/00755

摘要： A developing unit supplies toner from a developing roller to an electrostatic latent image formed on an image carrier, and creates a visual image. A forced consumption unit causes, when a proportion of number of pixels used for forming the electrostatic latent image for a maximum image effective-width is equal to or less than a predetermined value, a forced consumption of toner by an amount corresponding to a difference between a toner amount corresponding to the number of pixels and a predetermined toner consumption amount. The forced consumption unit adds toner of an amount used in the forced consumption to an amount of toner to be supplied in a next imaging process.

摘要翻译： 显影单元将调色剂从显影辊供给到形成在图像载体上的静电潜像，并产生视觉图像。 当用于形成最大图像有效宽度的静电潜像的像素数量的比例等于或小于预定值时，强制消耗单元导致调色剂的强制消耗量对应于 与像素数相对应的调色剂量和预定的调色剂消耗量。 强制消耗单元将在强制消耗中使用的量的调色剂添加到在下一个成像处理中供应的调色剂量。

公开(公告)号：US08009997B2

公开(公告)日：2011-08-30

申请号：US11556328

申请日：2006-11-03

申请人： Osamu Ariizumi ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto ,  Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Naoto Watanabe

发明人： Osamu Ariizumi ,  Kazumi Kobayashi ,  Shinji Kobayashi ,  Fukutoshi Uchida ,  Takashi Enami ,  Ryohta Morimoto ,  Shin Hasegawa ,  Shinji Kato ,  Hitoshi Ishibashi ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Naoto Watanabe

IPC分类号： G03G15/08

CPC分类号： G03G15/0849 ,  G03G15/0853 ,  G03G2215/0607

摘要： An image forming apparatus, which comprises a toner density detection device for detecting the density of a toner inside a developing device, acquires the number of pixels from inputted image information, calculates the toner replenishment amount from the toner density detection value and the information on the pixels, and thereby performs replenishment control so that excessive replenishment or insufficient replenishment of the toner is not caused. The upper limit value of the amount of toner to be replenished at once to the developing device is changed in accordance with the amount of information on an input image such as the image area, pixels of the input image.

摘要翻译： 一种图像形成装置，包括用于检测显影装置内的调色剂的浓度的调色剂浓度检测装置，从输入的图像信息获取像素数，根据调色剂浓度检测值和关于色粉浓度检测值的信息计算调色剂补充量 像素，从而执行补充控制，使得不会引起过量的补充或调色剂补充不足。 根据关于输入图像的输入图像的信息量，输入图像的像素，改变要一次补充到显影装置的调色剂量的上限值。