公开(公告)号：US11656568B2

公开(公告)日：2023-05-23

申请号：US17657158

申请日：2022-03-30

申请人： CANON KABUSHIKI KAISHA

发明人： Ai Suzuki ,  Kensuke Umeda ,  Shinsuke Kobayashi

IPC分类号： G03G15/00 ,  G06K15/12

CPC分类号： G03G15/5062 ,  G06K15/12 ,  G03G2215/00029

摘要： An image forming apparatus includes a setting unit configured to set an operation mode, and a processing unit configured to perform image processing on image data according to the operation mode. In a case when a first mode is set, the image processing includes determining, in the image data, one or more target pixels having a gradation value equal to or higher than a first threshold value, and one or more adjacent pixels that are different from the one or more target pixels and adjacent to the one or more target pixels, setting a first gradation value lower than the first threshold value as a gradation value of the one or more target pixels, and setting a second gradation value higher than the first gradation value as a gradation value of the one or more adjacent pixels.

公开(公告)号：US20190196359A1

公开(公告)日：2019-06-27

申请号：US16287044

申请日：2019-02-27

申请人： LEXMARK INTERNATIONAL, INC.

发明人： DOUGLAS ANTHONY ABLE ,  MICHAEL BRIAN BACELIERI ,  ANDREW GIL MONTAÑO DESABELLE ,  GARY SCOTT OVERALL ,  MARVIN ALIVIADO RODRIGUEZ ,  ALBERT OCIANAS VILLANUEVA

IPC分类号： G03G15/08 ,  G03G15/00

CPC分类号： G03G15/0849 ,  G03G15/5041 ,  G03G15/55 ,  G03G15/556 ,  G03G2215/00029

摘要： An electrophotographic imaging device having a method of printing which includes determining whether a duty cycle state in the imaging device has changed; selecting one of a full toner density calibration and a partial toner density calibration based on the determining; performing the one of the full toner density calibration and the partial toner density calibration; identifying a toner density to be applied during printing as a result of the performing; developing a toned image having a toner density equal to the toner density identified; and printing the toned image on a media sheet, wherein the full toner density calibration is skipped upon at least a determination that the duty cycle state has remained the same.

公开(公告)号：US20160223942A1

公开(公告)日：2016-08-04

申请号：US14920500

申请日：2015-10-22

申请人： Oki Data Corporation

发明人： Takatoku SHIMIZU

IPC分类号： G03G15/06

CPC分类号： G03G15/0848 ,  G03G15/5041 ,  G03G15/5054 ,  G03G15/5058 ,  G03G2215/00029 ,  G03G2215/00059 ,  G03G2215/0129 ,  G03G2215/0164

摘要： An image forming apparatus includes an exposure part forming an electrostatic latent image on a charge region, a developer carrier developing the electrostatic latent image into two types of development images (printing developer image and no-printing developer image), a supply member supplying developer to the developer carrier, a first detection part detecting a first physical quantity correlating to the density of the no-printing developer image, a setting part performing a setting, based on the first physical quantity, for a development voltage applied to the developer carrier or a supply voltage applied to the supply member, a second detection part detecting a second physical quantity correlating to a number of rotations after the print of the printing developer image starts, a correction part correcting, based on the second physical quantity, the development voltage or the supply voltage set by the setting part, and a power source part applying the development voltage to the developer carrier and applies the supply voltage to the supply member.

摘要翻译： 图像形成装置包括在电荷区域上形成静电潜像的曝光部分，将静电潜像显影成显影剂载体的两种显影图像（印刷显影剂图像和无印刷显影剂图像），向显影剂供应显影剂 显影剂载体，检测与非打印显影剂图像的浓度相关的第一物理量的第一检测部分，基于第一物理量对施加到显影剂载体的显影电压执行设置的设置部分或 施加到供给构件的电源电压，检测与打印显影剂图像的打印之后的转数相关的第二物理量的第二检测部，开始校正部，根据第二物理量，对显影电压或 由设定部设定的供电电压，以及将显影电压施加到电源的电源部 并将供给电压施加到供给部件。

公开(公告)号：US09188922B2

公开(公告)日：2015-11-17

申请号：US14221348

申请日：2014-03-21

申请人： Kentaro Murayama

发明人： Kentaro Murayama

IPC分类号： B41J15/14 ,  B41J27/00 ,  G03G15/00

CPC分类号： G03G15/50 ,  G03G2215/00029

摘要： An image forming apparatus includes an image forming unit configured to form an image on a sheet, a sensor unit assembly including a sensor unit and a holder attached to the sensor unit, and a cover member attached to the sensor unit assembly. The sensor unit includes a light emitting element and a light receiving element. The cover member includes a light transmission portion covering a light emitting side of the light emitting element and a light receiving side of the light receiving element and an engaging portion sandwiched between the sensor unit and the holder.

摘要翻译： 图像形成装置包括被构造成在片材上形成图像的图像形成单元，包括传感器单元和附接到传感器单元的保持器的传感器单元组件，以及附接到传感器单元组件的盖构件。 传感器单元包括发光元件和光接收元件。 盖构件包括覆盖发光元件的发光侧的光透射部分和光接收元件的光接收侧以及夹在传感器单元和保持器之间的接合部。

公开(公告)号：US08761628B2

公开(公告)日：2014-06-24

申请号：US13548655

申请日：2012-07-13

申请人： Masakazu Terao ,  Shinya Kobayashi ,  Tadashi Kasai ,  Yoshihiro Sonohara ,  Yoichi Sakurai

发明人： Masakazu Terao ,  Shinya Kobayashi ,  Tadashi Kasai ,  Yoshihiro Sonohara ,  Yoichi Sakurai

IPC分类号： G03G15/20 ,  G03G15/16

CPC分类号： G03G15/2039 ,  G03G15/1645 ,  G03G15/50 ,  G03G2215/00029

摘要： An image forming apparatus and method compute a total amount of toner to be deposited per unit area of a target image. When the highest total amount of toner computed exceeds a given level, a heating determination unit, using a processor, determines whether a first heating amount range enabling fusing of the computed highest total amount of toner and a second heating amount range enabling fusing of the computed lowest total amount of toner have an overlapping portion that can effectively fuse a first toner image, a second toner image, and identifies a heating amount to fuse a toner image of the target image from an overlapping portion that can effectively fuse the first toner image, and the second toner image.

摘要翻译： 图像形成装置和方法计算要在目标图像的每单位面积上沉积的调色剂的总量。 当计算出的最大调色剂总量超过给定水平时，使用处理器的加热确定单元确定是否能够计算计算出的最高总调色剂量的第一加热量范围和允许计算出的 最低总量的调色剂具有可以有效地熔化第一调色剂图像和第二调色剂图像的重叠部分，并且识别加热量以从可以有效地融合第一调色剂图像的重叠部分熔化目标图像的调色剂图像， 和第二调色剂图像。

公开(公告)号：US20120321331A1

公开(公告)日：2012-12-20

申请号：US13489574

申请日：2012-06-06

申请人： Yasuhito Shirafuji ,  Tomohisa Itagaki ,  Nobuhiko Zaima ,  Takahiro Ishihara

发明人： Yasuhito Shirafuji ,  Tomohisa Itagaki ,  Nobuhiko Zaima ,  Takahiro Ishihara

IPC分类号： G03G15/00

CPC分类号： G03G15/5054 ,  G03G15/043 ,  G03G15/5025 ,  G03G15/5058 ,  G03G2215/00029

摘要： An image forming apparatus includes an image forming unit having an exposure unit and a developing unit; a detection unit configured to detect a thickness and an area ratio of a toner layer of a pattern image formed by the image forming unit; a storage unit configured to store data indicating permissible ranges for the thickness and the area ratio of the toner layer; and a correction unit configured to change, when the thickness or the area ratio of the toner layer detected by the detection unit falls outside the corresponding permissible range indicated by the data stored in the storage unit, a spot diameter of the laser beam so that the thickness and the area ratio of the toner layer respectively fall within the permissible ranges.

摘要翻译： 图像形成装置包括具有曝光单元和显影单元的图像形成单元; 检测单元，被配置为检测由所述图像形成单元形成的图案图像的调色剂层的厚度和面积比; 存储单元，被配置为存储指示调色剂层的厚度和面积比的允​​许范围的数据; 以及校正单元，其被配置为当由检测单元检测到的调色剂层的厚度或面积比落在存储在存储单元中的数据所指示的相应容许范围之外时，改变激光束的光斑直径，使得 调色剂层的厚度和面积比分别落在容许范围内。

公开(公告)号：US20120087684A1

公开(公告)日：2012-04-12

申请号：US13252783

申请日：2011-10-04

申请人： Hidemi Sasaki

发明人： Hidemi Sasaki

IPC分类号： G03G15/08

CPC分类号： G03G15/5062 ,  G03G2215/00029

摘要： An apparatus and method for calculating toner amount including receiving print setting information, performing image processing on print data based on the print setting information received by the reception unit to form an image, calculating a print data feature quantity of the print data based on the formed image, and calculating a toner amount in a case where the print setting information is changed based on difference information between the print setting information before it is changed and after it is changed, and the calculated print data feature quantity based on the image formed by the image formation unit using the print setting information before it is changed.

摘要翻译： 一种用于计算调色剂量的装置和方法，包括接收打印设置信息，基于由接收单元接收的打印设置信息对打印数据执行图像处理以形成图像，基于形成的图像计算打印数据的打印数据特征量 图像，并且基于在打印设置信息被改变之前的打印设置信息和改变之后的打印设置信息之间的差异信息而改变打印设置信息的情况下计算调色剂量，并且基于由所述打印设置信息形成的图像，计算出的打印数据特征量 图像形成单元在其改变之前使用打印设置信息。

公开(公告)号：US20120086987A1

公开(公告)日：2012-04-12

申请号：US13267608

申请日：2011-10-06

申请人： Hirokazu Tamura

发明人： Hirokazu Tamura

IPC分类号： G06K15/00 ,  H04N1/40

CPC分类号： G03G15/5062 ,  G03G15/011 ,  G03G21/02 ,  G03G2215/00029 ,  H04N1/1017 ,  H04N1/6022 ,  H04N1/6033

摘要： A limit value of a recording material is determined based on a difference between a maximum density value of an image formed by an image forming unit and a maximum density value to be targeted by an image processing apparatus, and the amount of the recording material corresponding to the image data is controlled so as to be the determined limit value or below.

摘要翻译： 基于由图像形成单元形成的图像的最大浓度值与图像处理装置所针对的最大浓度值之间的差异以及与图像处理装置对应的记录材料的量之间的差来确定记录材料的极限值 图像数据被控制为确定的极限值或更低。

公开(公告)号：US20110249278A1

公开(公告)日：2011-10-13

申请号：US13052550

申请日：2011-03-21

申请人： Masataka YAMAZAKI

发明人： Masataka YAMAZAKI

IPC分类号： G06K15/02

CPC分类号： G03G15/5062 ,  G03G15/0194 ,  G03G15/5033 ,  G03G2215/00029

摘要： An image forming apparatus including: a forming section; a correction section configured to measure at least one of a position and a density of a formed image and perform a correction function for adjusting an image forming condition based on the measurement; a determination section configured to determine whether a color condition is satisfied; and a control section configured to selectively perform a first mode or a second mode if there is a print request while a correction execution condition satisfied, wherein in the first mode, the correction section is caused to perform the correction function, before a printing process begins in response to the print request, and wherein in the second mode, the correction section is caused to perform the correction function at least before the printing process to the color page data, on condition that the determination section determines that the color condition is satisfied.

摘要翻译： 一种图像形成装置，包括：成形部; 校正部，被配置为测量形成图像的位置和浓度中的至少一个，并且执行用于基于测量调整图像形成条件的校正功能; 确定部分，被配置为确定是否满足颜色条件; 以及控制部，被配置为在满足校正执行条件的情况下存在打印请求时选择性地执行第一模式或第二模式，其中在所述第一模式中，使所述校正部执行所述校正功能，在打印处理开始之前 响应于所述打印请求，并且其中在所述第二模式中，在所述确定部确定满足所述颜色条件的条件下，使所述校正部分至少在所述彩页数据的打印处理之前执行校正功能。

公开(公告)号：US20110242589A1

公开(公告)日：2011-10-06

申请号：US13042113

申请日：2011-03-07

申请人： Akihiro YAMADA

发明人： Akihiro YAMADA

IPC分类号： G06F15/00

CPC分类号： G03G15/0194 ,  G03G2215/00029 ,  G03G2215/0141 ,  G03G2215/0161

摘要： A printing apparatus comprising: a printing unit configured to print an image based on expanded data; a measuring unit configured to measure a deviation amount of at least one of a position and a density of the image printed by the printing unit when a correction execution condition is satisfied; an expanding unit configured to expand print data based on the measurement by the measuring unit, so as to produce the expanded data; and a control unit, wherein when the correction execution condition is satisfied during the expanding of current print data which corresponds to a current page being expanded, the control unit is configured to control the expanding unit to suspend the expanding of the current print data, the measuring unit to measure the deviation amount, and the expanding unit to restart expanding an unexpanded portion of the current print data based on the measurement.

摘要翻译： 一种打印装置，包括：打印单元，被配置为基于扩展数据打印图像; 测量单元，被配置为当满足校正执行条件时，测量由所述打印单元打印的图像的位置和浓度中的至少一个的偏差量; 扩展单元，被配置为基于所述测量单元的测量来扩展打印数据，以便产生所述扩展数据; 以及控制单元，其中当在对应于正在扩展的当前页面的当前打印数据的扩展期间满足校正执行条件时，控制单元被配置为控制扩展单元暂停当前打印数据的扩展， 测量单元以测量偏差量，并且扩展单元基于测量重新开始扩展当前打印数据的未扩展部分。