公开(公告)号：US07783242B2

公开(公告)日：2010-08-24

申请号：US11672665

申请日：2007-02-08

Applicant: Yasunori Chigono ,  Makoto Fukatsu

Inventor： Yasunori Chigono ,  Makoto Fukatsu

IPC: G03G15/00 ,  G03G15/20

CPC classification number: G03G15/6573 ,  G03G15/2021 ,  G03G2215/00755 ,  G03G2215/00805

Abstract: An image forming apparatus has a first recording mode of outputting the recording material without passing thru the glossiness applying device after fixing and a second recording mode using the glossiness applying device, and then outputting the recording material. In the latter recording mode (B), when a void ratio G of toner in the toner image not yet subjected to the glossing process by the glossiness applying device is defined by a thickness t1 of a toner layer on the recording material after fixing and before entering the glossiness applying device, and a thickness t2 of a toner layer on the recording material after passing through the glossiness applying device, satisfies the formula: G=100×(t1-t2)/t1. In the recording mode (B), fixing conditions for the fixing device and the glossiness applying device are respectively set so that the void ratio of toner satisfies a formula 15≦G≦60.

Abstract translation: 图像形成装置具有在定影之后不通过光泽度施加装置输出记录材料的第一记录模式和使用光泽度施加装置的第二记录模式，然后输出记录材料。 在后一记录模式（B）中，当调色剂图像中尚未进行光泽度施加装置的光泽处理的调色剂的空隙率G由固定后的记录材料上的调色剂层的厚度t1和之前 进入光泽度施加装置，并且通过光泽度施加装置之后的记录材料上的调色剂层的厚度t2满足公式：G = 100×（t1-t2）/ t1。 在记录模式（B）中，分别设置定影装置和光泽度施加装置的定影条件，使得调色剂的空隙率满足公式15＆nlE; G＆nlE; 60。

公开(公告)号：US07769311B2

公开(公告)日：2010-08-03

申请号：US12125473

申请日：2008-05-22

Applicant: Yoritaka Tsubaki

Inventor： Yoritaka Tsubaki

IPC: G03G15/20

CPC classification number: G03G15/2028 ,  G03G2215/00755

Abstract: An image forming apparatus and an image forming method are provided which form high-quality fixed images having no fogs and the like defects, in which apparatus and method a toner entering a pressure-contact area between rollers is prevented from scattering. A control is performed on preheating conditions for preheating an unfixed toner image on a recording medium, which unfixed toner image indicates a toner image transferred but not yet fixed, and a control is further performed such that an amount of toner attached to the recording medium at a coverage rate of 100% is 0.4 mg/cm2 or less, with the result that the toner is prevented from scattering when the recording medium carrying the unfixed toner image passes through a pressure-contact area formed between a heating roller and a pressurizing roller in a fixing step.

Abstract translation: 提供一种图像形成装置和图像形成方法，其形成没有雾和类似缺陷的高质量固定图像，其中防止进入辊之间的压力接触区域的调色剂飞散的装置和方法。 在预定条件下进行控制，用于对记录介质上的未定影调色剂图像进行预热，该未定影调色剂图像表示转印但未固定的调色剂图像，并进一步进行控制，使得附着到记录介质上的调色剂的量 100％的覆盖率为0.4mg / cm 2以下，结果，当携带未定影调色剂图像的记录介质通过加热辊和加压辊之间形成的压力接触区域时，防止调色剂飞散 固定步骤

公开(公告)号：US20100054775A1

公开(公告)日：2010-03-04

申请号：US12546154

申请日：2009-08-24

Applicant: Takahiro Nakase

Inventor： Takahiro Nakase

IPC: G03G15/00

CPC classification number: G03G15/5062 ,  G03G15/5037 ,  G03G2215/00755 ,  G03G2215/0164

Abstract: An image forming apparatus includes first and second image forming devices each including a rotatable drum, a charging device for charging the drum, an exposure device for exposing the drum to light, and a developing device for developing with toner an electrostatic image formed on the drum, each of the image forming devices being configured to form an image on a sheet; a gradation pattern forming device for forming a first gradation pattern on a sheet by the first image forming device and forming a second gradation pattern on the sheet by the second image forming device; a density detecting device for detecting a density of the gradation patterns formed on the sheet; a correcting device for correcting an image forming condition of each of the toner image forming means depending on an output of the density detecting device; and a potential detecting device, selectively provided to the first image forming means, capable of detecting potential of a part of an area of the drum with respect to a rotational axis direction of the drum in order to adjust the potential of the drum. The gradation pattern forming device forms the first gradation pattern on the sheet so that at least a part of the first gradation pattern corresponds to the area and forms the second gradation pattern on the sheet so as not to overlap the first gradation pattern.

Abstract translation: 图像形成装置包括第一和第二图像形成装置，每个图像形成装置包括可旋转滚筒，用于对滚筒充电的充电装置，用于将滚筒暴露于光的曝光装置;以及显影装置，用调色剂显影形成在滚筒上的静电图像 每个图像形成装置被配置为在片材上形成图像; 用于通过第一图像形成装置在片材上形成第一渐变图案并通过第二图像形成装置在片材上形成第二渐变图案的渐变图案形成装置; 密度检测装置，用于检测形成在片材上的层叠图案的密度; 校正装置，用于根据密度检测装置的输出校正每个调色剂图像形成装置的图像形成条件; 以及选择性地提供给第一图像形成装置的电位检测装置，其能够检测相对于滚筒的旋转轴线方向的滚筒区域的一部分的电位，以便调节滚筒的电位。 灰度图案形成装置在纸张上形成第一灰度图案，使得第一渐变图案的至少一部分对应于区域，并且在纸张上形成第二渐变图案，使得不与第一渐变图案重叠。

公开(公告)号：US20090129801A1

公开(公告)日：2009-05-21

申请号：US11944243

申请日：2007-11-21

Applicant: PATRICIA JOANNE DONALDSON

Inventor： PATRICIA JOANNE DONALDSON

IPC: G03G15/00

CPC classification number: G03G15/5062 ,  G03G15/0849 ,  G03G15/5037 ,  G03G15/5041 ,  G03G2215/00755

Abstract: According to the invention, a method is provided for calculating a Fractional Area Coverage (FAC) for determining the density of toner to evaluate the effectiveness of a xerographic printing process. The amount of diffuse light being reflected at the specular angle is determined during densitometer calibration and subsequent specular sensor readings are corrected by subtracting a fraction of the diffuse sensor signal from the specular sensor signal. Also provided is a computer readable media having stored computer executable instructions, wherein the computer executable instructions, when executed by a computer, directs a computer to perform a method for calculating a FAC for determining the density of toner to evaluate the effectiveness of a xerographic printing process.

Abstract translation: 根据本发明，提供了一种用于计算分数面积覆盖率（FAC）的方法，用于确定调色剂的密度以评估静电印刷工艺的有效性。 在密度计校准期间确定在镜面反射的漫射光的量，并且通过从镜面传感器信号中减去漫射传感器信号的分数来校正随后的镜面传感器读数。 还提供了具有存储的计算机可执行指令的计算机可读介质，其中计算机可执行指令在由计算机执行时引导计算机执行计算FAC的方法以确定调色剂的密度以评估静电印刷的有效性 处理。

公开(公告)号：US20090060615A1

公开(公告)日：2009-03-05

申请号：US12198624

申请日：2008-08-26

Applicant: Yuichi Hosoda

Inventor： Yuichi Hosoda

IPC: G03G15/22

CPC classification number: G03G15/50 ,  G03G15/234 ,  G03G15/5062 ,  G03G15/6555 ,  G03G2215/00421 ,  G03G2215/00755 ,  G03G2215/0132

Abstract: A control method for controlling an image forming apparatus includes fixing recording material on a sheet; conveying, by a conveying unit, the sheet on which the recording material is fixed; and controlling the conveying unit such that the conveying unit reciprocates the sheet on a conveying path along which the sheet is conveyed.

Abstract translation: 用于控制图像形成装置的控制方法包括将记录材料固定在片材上; 通过输送单元输送固定有记录材料的片材; 并且控制所述输送单元，使得所述输送单元使所述纸张在所述纸张被输送的输送路径上往复运动。

公开(公告)号：US07492484B2

公开(公告)日：2009-02-17

申请号：US11076326

申请日：2005-03-10

Applicant: Hiroyuki Okuyama

Inventor： Hiroyuki Okuyama

IPC: G06K15/00 ,  H04N1/40

CPC classification number: G03G15/5062 ,  G03G15/01 ,  G03G2215/00755 ,  G03G2215/0164

Abstract: Even when an image signal is converted into an image signal with a limited amount of toner adhesion, the gradation is prevented from changing rapidly near the limiting value and therefore the image quality is prevented from deteriorating. An amount-of-adhesion converting circuit 301 converts image data for each color plane into first amount-of-toner-adhesion data. On the basis of a preset amount-of-toner-adhesion threshold value table, an amount-of-toner-adhesion reduction computing circuit 303 converts the first amount-of-toner-adhesion data for each color plane into second amount-of-toner-adhesion data with a limited amount of toner adhesion. Then, an image signal converting circuit 304 converts the second amount-of-toner-adhesion data into an image signal. In such a method, since parameters in the amount-of-toner-adhesion threshold value table are set arbitrarily, a rapid change in gradation can be suppressed near the limiting value.

Abstract translation: 即使当图像信号被转换成具有有限量的调色剂附着力的图像信号时，防止灰度在极限值附近快速变化，因此防止图像质量劣化。 粘合量转换电路301将每个色平面的图像数据转换为第一调色剂粘附数据。 基于预设的调色剂粘附阈值表，调色剂附着量计算电路303将每个色平面的第一调色剂附着数据转换成第二量调色剂附着阈值表， 调色剂粘附数据与调色剂附着力有限。 然后，图像信号转换电路304将第二调色剂粘附数据转换为图像信号。 在这种方法中，由于调色剂 - 附着阈值表中的参数被任意设定，所以在极限值附近可以抑制灰度的快速变化。

公开(公告)号：US07283760B2

公开(公告)日：2007-10-16

申请号：US11237156

申请日：2005-09-28

Applicant: Anthony S. Condello ,  Donald M. Bott ,  Jeremy C. De Jong ,  Roger G. Leighton

Inventor： Anthony S. Condello ,  Donald M. Bott ,  Jeremy C. De Jong ,  Roger G. Leighton

IPC: G03G15/20

CPC classification number: G03G15/2064 ,  G03G2215/00742 ,  G03G2215/00755

Abstract: A fuser system of a xerographic device provides a fuser member, and a pressure member supported for pressure engagement with the fuser member. The pressure member includes an inner layer and an outer layer. The inner layer is variably pressurized for controlled change of the effective hardness of the outer layer. Controlling the effective hardness of the outer layer can be in response to the media paper weight and/or image content being processed though the xerographic device.

Abstract translation: 静电印刷设备的定影系统提供定影器构件，以及支撑成与定影器构件压力接合的压力构件。 压力构件包括内层和外层。 内层可变地被加压以控制外层有效硬度的变化。 控制外层的有效硬度可以响应通过静电印刷装置处理的介质纸重量和/或图像内容。

公开(公告)号：US20070104499A1

公开(公告)日：2007-05-10

申请号：US11508823

申请日：2006-08-24

Applicant: 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

Inventor： 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: G03G15/08

CPC classification number: G03G15/5062 ,  G03G15/0849 ,  G03G15/0856 ,  G03G15/556 ,  G03G2215/00755

Abstract: 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.

Abstract translation: 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：US07167659B2

公开(公告)日：2007-01-23

申请号：US11483724

申请日：2006-07-11

Applicant: Takashi Fujita ,  Akihiro Shimizu

Inventor： Takashi Fujita ,  Akihiro Shimizu

IPC: G03G15/20

CPC classification number: G03G15/2064 ,  G03G15/6594 ,  G03G21/1647 ,  G03G2215/00481 ,  G03G2215/00738 ,  G03G2215/00755 ,  G03G2215/2045

Abstract: An image forming apparatus has an image forming unit together with a fixing unit which uses two rotating members to form a nip in which the recording material with an unfixed image is fed. A driving unit drives the rotatable fixing members and a flywheel is used for increasing an inertial force of that drive, there also being a connecting device which selectively connects the flywheel with the driving unit together with a switching device that switches operation of that connecting device in accordance with the type of recording material being used or the density of the image to be printed.

Abstract translation: 图像形成装置具有图像形成单元以及定影单元，该定影单元使用两个旋转构件来形成其中馈送有未定影图像的记录材料的辊隙。 驱动单元驱动可旋转的固定构件，并且飞轮用于增加该驱动器的惯性力，还存在连接装置，其将飞轮与驱动单元一起连接到切换装置，该切换装置将该连接装置的操作切换到 根据所使用的记录材料的类型或要打印的图像的浓度。

公开(公告)号：US20050063720A1

公开(公告)日：2005-03-24

申请号：US10938720

申请日：2004-09-13

Applicant: Takashi Fujita ,  Akihiro Shimizu

Inventor： Takashi Fujita ,  Akihiro Shimizu

IPC: G03G15/00 ,  G03G15/20 ,  G03G21/00

CPC classification number: G03G15/2064 ,  G03G15/6594 ,  G03G21/1647 ,  G03G2215/00481 ,  G03G2215/00738 ,  G03G2215/00755 ,  G03G2215/2045

Abstract: An image forming apparatus has an image forming unit together with a fixing unit which uses two rotating members to form a nip in which the recording material with an unfixed image is fed. A driving unit drives the rotatable fixing members and a flywheel is used for increasing an inertial force of that drive, there also being a connecting device which selectively connects the flywheel with the driving unit together with a switching device that switches operation of that connecting device in accordance with the type of recording material being used or the density of the image to be printed.

Abstract translation: 图像形成装置具有图像形成单元以及定影单元，该定影单元使用两个旋转构件来形成其中馈送有未定影图像的记录材料的辊隙。 驱动单元驱动可旋转的固定构件，并且飞轮用于增加该驱动器的惯性力，还存在连接装置，其将飞轮与驱动单元一起连接到切换装置，该切换装置将该连接装置的操作切换到 根据所使用的记录材料的类型或要打印的图像的浓度。